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1	$Id: History,v 1.514 2010/11/04 17:31:43 vnivanch Exp $
2	-------------------------------------------------------------------
3
4	=========================================================
5	Geant4 - an Object-Oriented Toolkit for Simulation in HEP
6	=========================================================
7
8	Category History file
9	---------------------
10	This file should be used by G4 developers and category coordinators
11	to briefly summarize all major modifications introduced in the code
12	and keep track of all category-tags.
13	It DOES NOT substitute the CVS log-message one should put at every
14	committal in the CVS repository !
15
16	----------------------------------------------------------
17	* Reverse chronological order (last date on top), please *
18	----------------------------------------------------------
19
20	04 November 2010: V.Ivant (emstand-V09-03-25)
21	- Fixed warnings of the Coverity tool (pedantic initialisation);
22
23	26 October 2010: V.Ivant (emstand-V09-03-24)
24	- Fixed problem reported by the Coverity tool (mainly pedantic
25	initialisation);
26	- G4BetheHeitlerModel, G4PairProductionRelModel - removed unused
27	internal table of cross section
28	- G4WaterStopping - fixed bug in index of data for Fe ion
29
30	14 October 2010: V.Ivant (emstand-V09-03-23)
31	- G4ModifiedTsai - added (moved from lowenergy)
32	- G4PairProductionRelModel, G4eBremsstrahlungRelModel - return back
33	the version of 9.4beta (disable tag 21); use general interface
34	to sample polar angular distribution (G4ModifiedTsai - default)
35
36	28 September 2010: V.Ivant (emstand-V09-03-22)
37	- G4ionIonisation, G4alphaIonisation - removed obsolete nuclear stopping
38	flag and Get/Set methods (nuclear stopping is simulated by the
39	dedicated G4NuclearStopping process)
40
41	12 September 2010: V.Ivant (emstand-V09-03-21)
42	- G4BetheBlochModel - fixed shell corrections
43	- G4PairProductionRelModel, G4eBremsstrahlungRelModel - fixed
44	SetCurrentElement method, fix is important for unit tests
45
46	12 August 2010: V.Ivant (emstand-V09-03-20)
47	- G4UniversalFluctuation - L.Urban revision of width correction
48	providing better results for thin targets and a good tail
49
50	14 June 2010: V.Ivant (emstand-V09-03-19)
51	- G4UniversalFluctuation93 new class keeping version of the release 9.3
52	for the G4UniversalFluctuation
53	- G4UniversalFluctuation - improved comments
54
55	11 June 2010: V.Ivant (emstand-V09-03-18)
56	- G4UniversalFluctuation - L.Urban fixed anomaly at the tail of
57	distribution for thin targets
58
59	4 June 2010: V.Ivant (emstand-V09-03-17)
60	- G4ICRU73QOModel - fixed problems and add factor for transition to
61	Bethe-Bloch at 2 MeV
62	- G4hIonisation - use G4ICRU73QOModel for negatively charged particles
63	below 2 MeV
64	- G4BraggModel - above 2 MeV use ICRU'49 parameterisation for all atoms
65
66	June 3, 2010, V. Grichine
67	- G4PAIModel.cc, G4PAIPhotonModel.cc cout for the model initialisation
68
69	1 June 2010: V.Ivant (emstand-V09-03-16)
70	- G4WentzelOKandVIxSection - optimized computation of the transport
71	cross section
72	- G4WentzelVIModel - optimized method of step limitation
73
74	27 May 2010: V.Ivant (emstand-V09-03-15)
75	- G4BraggIonGasModel, G4BetheBlochIonGasModel - new ionisation models
76	for low density media
77	- G4ICRU73QOModel (A.Bagulya) new model for anti-particles
78	- G4hIonisation - use G4ICRU73QOModel for anti-particles
79	- G4WentzelOKandVIxSection - new class to compute cross sections and
80	sample scattering angle
81	- G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel
82	use new class G4WentzelOKandVIxSection
83
84	20 May 2010: V.Ivant (emstand-V09-03-14)
85	- G4UrbanMscModel93 - L.Urban removed randomisation of step limit for the
86	first step in any volume in the case of UseSafety
87	- Removed obsolete models: G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel71,
88	G4MultipleScattering, G4ComptonScattering52, G4PolarizedComptonScattering
89
90	17 May 2010: V.Ivant (emstand-V09-03-13)
91	- G4WentzelVIModel, G4eCoulombScatteringModel - added momentum dependent
92	limit of scattering angle between single and multiple scattering
93	which allowing to use G4WentzelVIModel with optical model
94	of hadron scattering
95
96	17 May 2010: V.Ivant (emstand-V09-03-12)
97	- G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable (O.Kadri) -
98	optimized code to improve speed by addition extra class members
99
100	30 April 2010: V.Ivant (emstand-V09-03-11)
101	- G4UrbanMscModel93 - L.Urban add randomisation of step limit for the
102	first step in any volume
103
104	28 April 2010: V.Ivant (emstand-V09-03-10)
105	G4eBremsstrahlungModel - fixed SelectRandomAtom method (bug report #1115)
106
107	26 April 2010: V.Ivant (emstand-V09-03-09)
108	- G4ASTARStopping, G4PSTARTStopping - C-arrays sustituted by G4PhysicsVector
109	with spline; reviewed names of materials (G4_He, G4_PHOTO_EMULSION,
110	G4_NYLON-6-6)
111	- G4ASTARStopping - fixed G4_O data
112	- G4PSTARStopping - fixed G4_Pt and G4_PROPANE data
113	- G4WaterStopping - cleanup GetElectronicDEDX method
114
115	16 April 2010: V.Ivant (emstand-V09-03-08)
116	- G4GoudsmitSaundersonMscModel (O.Kadri) - improved numerical stability
117	of computations for small angles by direct xsection calculation
118	not inverse of the inverse angular sampling without large angle
119	rejection method longitudinal displacement is computed exactly
120	from <z>
121	- G4GoudsmitSaundersonTable (O.Kadri) - improved numerical stability by
122	minimum of used arrays in computation within the dichotomy
123	finding method
124	- G4eMultipleScattering, G4hMultipleScattering - improved printout at
125	initialisation
126
127	15 April 2010: V.Ivant (emstand-V09-03-07)
128	- G4hMultipleScattering - removed old unused header of G4UrbanMscModel
129	- G4ASTARStopping.cc - disabled corrupted data for Oxygen
130
131	06 April 2010: V.Ivant (emstand-V09-03-06)
132	- G4eBremsstrahlungRelModel, G4MollerBhabhaModel - set minimum cut
133	value to 0.1 keV
134
135	30 March 2010: V.Ivant (emstand-V09-03-05)
136	- G4PolarizedComptonScattering - add message that this process is obsolete
137
138	22 March 2010: V.Ivant (emstand-V09-03-04)
139	- G4eBremsstrahlungModel - reduced minThreshold to 0.1 keV
140	- G4MollerBhabhaModel - reduced minimum cut value to mean ionisation
141	potential
142
143	01 March 2010: V.Ivant (emstand-V09-03-03)
144	- G4WentzelVIModel - added protections, added DefineMaterial() call
145	before computing cross section
146
147	31 March 2010: V.Ivant (emstand-V09-03-02a)
148	- G4PolarizedComptonScattering - add message that this process is obsolete
149	- G4eCoulombScatteringModel - returned method default value 100 eV of 9.3 for
150	internal low limit
151
152	24 February 2010: V.Ivant (emstand-V09-03-02)
153	- make a tag co-working with emutils-V09-03-02
154
155	19 February 2010: V.Ivant (emstand-V09-03-01)
156	- G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable (O.Kadri)
157	- fixed problems of small angle theta distributions
158
159	17 February 2010: V.Ivant (emstand-V09-03-00)
160	- G4CoulombScatteringModel - Added comments to relativistic formula
161	- G4eCoulombScatteringModel - Added method SetLowEnergyLimit, default
162	value is set to 1 eV (before was 100 eV)
163	- G4CoulombScattering - Removed inclined method SetBuildTableFlag because
164	the method exist in the base class
165
166	03 December 09: V.Ivant (emstand-V09-02-36)
167	- G4BetheBlochModel - (A.Lechner) return back commented out CorrectionAlongStep
168	method, returning back to normal ion ranges
169
170	03 December 09: V.Ivant (emstand-V09-02-35)
171	- G4CoulombScatteringModel - (C.Consaldi) fixed relativistic formula
172
173	27 November 09: V.Ivant (emstand-V09-02-34)
174	- G4ionIonisation - set linLossLimit 0.02
175
176	25 November 09: V.Ivant (emstand-V09-02-33)
177	- G4LindhardPartition - moved back to TestEm7
178
179	10 November 09: V.Ivant (emstand-V09-02-32)
180	- G4BetheBlochModel - minor speedup inside CorrectionsAlongStep method
181
182	10 November 09: V.Ivant (emstand-V09-02-31)
183	- G4BetheBlochModel, G4BraggModel, G4BraggIonModel - remove computations
184	of nuclear stopping power, some CPU speadup
185	- G4NuclearStopping - updated process for computation of nuclear stopping
186	- G4ICRU49NuclearStoppingModel - model providing computation of nuclear
187	stopping
188
189	10 November 09: V.Ivant (emstand-V09-02-30)
190	- Added G4alphaIonisation process
191
192	09 November 09: V.Ivant (emstand-V09-02-29)
193	- G4BetheBlochModel, G4MollerBhabhaModel - compute density effect correction
194	using method of G4IonisParamMat class
195	applying revised parameterisation
196
197	09 November 09: V.Ivant (emstand-V09-02-28)
198	- G4GoudsmitSaundersonMscModel (O.Kadri) - tuning small angle theta distributions
199	assuming the case of lambdan<1 as single scattering regime;
200	tuning theta sampling for theta below the screening angle
201	- G4LindhardPartition - moved from TestEm7 to the source
202
203	31 October 09: V.Ivant (emstand-V09-02-27)
204	- Added G4UrbanMscModel92, G4UrbanMscModel93 - 9.2 and 9.3 versions
205	version of the Urban model
206	- Set default model G4UrbanMscModel92 for G4eMultipleScattering
207	- Added warting to obsolete msc classes G4MultipleScattering, G4UrbanMscModel,
208	G4UrbanMscMode2, G4MscModel71
209
210	28 October 09: V.Ivant (emstand-V09-02-26)
211	- G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel - added
212	protection for very low energies
213
214	10 October 09: V.Ivant (emstand-V09-02-25)
215	- G4WentzelVIModel and G4eCoulombScatteringModel - changed screening parameters
216
217	06 October 09: V.Ivant (emstand-V09-02-24)
218	- G4GoudsmitSaundersonMscModel (O.Kadri) tuning small angle theta distributions
219	assuming the case of lambdan<1 as single scattering regime,
220	tuning theta sampling for theta below the screening angle
221
222	02 October 09: V.Ivant (emstand-V09-02-23)
223	- G4eMultipleScattering - use as a default G4UrbanMscModel (the same as in 9.2)
224	- G4CoulombScattering - fixed compillation problem
225
226	30 September 09: V.Ivant (emstand-V09-02-22)
227	- G4CoulombScattering - added cut per recoil
228	- G4BohrFluctuations - change internal parameter minNumberInteractionsBohr
229	from 10 to 2 to provide more smooth transition
230	to Landau regime in the case of small cuts
231	- G4eCoulombScatteringModel - added effective mass factor
232
233	28 August 09: V.Ivant (emstand-V09-02-21)
234	- G4PAIModel - fixed problem conneted with modifications for
235	G4PhysicsVector (removel of hidden bin)
236	- G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - O.Kadri
237	speadup computations, in particular, by reducing of
238	number of calls to log
239
240	12 August 09: V.Ivant (emstand-V09-02-20)
241	- G4PAIModel - fixed problem for high energy connected with bin number
242	- G4WentzelVIModel and G4eCoulombScatteringModel - extended low-energy
243	cross section to 0.1 keV
244
245	27 July 09: V.Ivant (emstand-V09-02-19)
246	- G4WentzelVIModel and G4eCoulombScatteringModel - fixed typo
247
248	26 July 09: V.Ivant (emstand-V09-02-18)
249	- G4WentzelVIModel and G4eCoulombScatteringModel - fixed numerical
250	problem at very high energy
251	- G4PAIModel - fixed problem for the case of several materials
252	- G4PAIySection - added protections for numerical exceptions
253
254	22 July 09: V.Ivant (emstand-V09-02-17)
255	- G4NuclearStopping and G4ICRU49NuclearStoppingModel are added
256
257	20 July 09: V.Ivant (emstand-V09-02-16)
258	- G4GoudsmitSaundersonMscModel - fixed computation of the displacement
259	- G4MultipleScattering, G4eMultipleScattering, G4hMultipleScattering
260	- moved initialisation of models to the base class
261
262	9 July 09: V.Ivant (emstand-V09-02-15)
263	- G4GoudsmitSaundersonMscModel - (O.Kadri) removed extra correcting factor
264	for sampling in high-Z media
265	- G4hMultipleScattering - removed obsolete methods
266
267	19 June 09: V.Ivant (emstand-V09-02-14)
268	- G4WaterStopping - (A.Ivantchenko) added Fe ion data
269	- G4GoudsmitSaundersonTable - reduce the size of the object file and
270	all standard library
271	- G4GoudsmitSaundersonMscModel - (O.Kadri) fixed unphysical peak at
272	very small angles; extend model to 100 TeV
273	- G4eCoulombScatteringModel, G4CoulombScatteringModel, G4WentzelVIModel,
274	- (C.Consolandi) fixed kinematic for ion/ion
275	scattering
276
277	19 May 09: V.Ivant (emstand-V09-02-13)
278	- G4UrbanMscModel2 - (L.Urban) change in tail parameter
279
280	18 May 09: V.Ivant (emstand-V09-02-12)
281	- G4UrbanMscModel2 - (L.Urban) correction in tail tuning using MuScat data
282
283	15 May 09: V.Ivant (emstand-V09-02-11)
284	- G4WaterStopping - fixed Ar data
285	- G4PairProductionRelModel - (A.Schaelicke) new relativistic model for
286	gamma conversion
287	- G4UrbanMscModel2 - (L.Urban) new version of theta0 and tail tuning
288
289	10 May 09: V.Ivant (emstand-V09-02-10)
290	- G4WentzelVIModel, G4eCoulombScattering, G4CoulombScattering - added relativistic
291	factor to Reserford cross section; set default limit on
292	kinetic energy of the recoil 100 keV
293
294	28 April 09: V.Ivant (emstand-V09-02-09)
295	- G4UrbanMscModel2 - (L.Urban) new tuning for the central part and for the
296	tail of the angular distribution using the old e-
297	scattering data only (Phys. Rev. 84 (1951) 634;
298	Phys. Rev. 61 (1942) 254)
299	- corrected logic in ComputeTruePathLengthLimit method
300	for type=fUseDistanceToBoundary
301	- G4UrbanMscModel - frozen version of G4UrbanMscModel2 of g4 9.2
302	- G4WentzelVIModel, G4eCoulombScattering - reduce low-limit from 1 keV to 0.1 keV
303	to provide smooth transport cross section table
304
305	23 April 09: V.Ivant (emstand-V09-02-08)
306	- G4BetheBlochModel - do not use pointer to GenericIon introduced in the
307	previous tag due to problem of simple PhysLists without ions
308
309	20 April 09: V.Ivant (emstand-V09-02-07)
310	- G4BetheBlochModel - fixed and simplified initialisation for ions needed for
311	the new G4IonParametrisedLossModel of low-energy package
312	- G4GoudsmitSaundersonMscModel - (O.Kadri) cleanup: discarded no scattering and
313	single scattering theta sampling from SampleCosineTheta()
314	which means the splitting step into two sub-steps occur
315	only for msc regime
316
317	12 April 09: V.Ivant (emstand-V09-02-06)
318	- Simplified initialisation of all models
319	- G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90 - use methods
320	of G4VMscModel for interface to geometry
321
322	07 April 09: V.Ivant (emstand-V09-02-05)
323	- G4IonFluctuations - T.Toshito removed extra phenomenological factor
324	in fluctuation width
325	- G4HeatedKleinNishinaCompton - V.Grichine added a prototype model for
326	plasma
327
328	21 March 09: V.Ivant (emstand-V09-02-04)
329	- G4UniversalFluctuation - L.Urban introduce modification in width
330	correction, the dependence of the correction on energy deposition
331	at previous steps is removed (addresses T2K report)
332
333	20 March 09: V.Ivant (emstand-V09-02-03)
334	- G4GoudsmitSaundersonMscModel fixed compillation problem
335
336	12 March 09: V.Ivant (emstand-V09-02-02)
337	- G4GoudsmitSaundersonMscModel fixed compillation problem
338	- G4UniversalFluctuation - add temporary fix for T2K report
339
340	05 March 09: V.Ivant (emstand-V09-02-01)
341	- New G4GoudsmitSaundersonMscModel is added
342	- G4WentzelVIModel, G4eCoulombScattringModel:
343	o substitute scaling of low-energy limit by setting 1 keV for
344	all particles;
345	o use EGSnrc form of screening parameter (second order correction)
346
347	20 February 09: V.Ivant (emstand-V09-02-00)
348	- Move all virtual methods from inline to source
349	G4PEEffectModel - substitute ComputeMeanFreePath by CrossSectionPerVolume
350	(minor CPU speadup for compound materials)
351	G4PAIModel, G4PAIPhotonModel - remove usage of random numbers at
352	initialisation (potential non-reproducibility)
353	G4WentzelVIModel - use generic methods of G4VMscModel to access safety
354	and other geometry information
355
356	24 November 08: V.Ivant (emstand-V09-01-45)
357	G4PSTARStopping, G4ASTARStopping - fixed non-initialized variable
358	introduced in the previous tag
359
360	19 November 08: V.Ivant (emstand-V09-01-44)
361	G4WentzelVIModel - minor fix in lateral displacement
362
363	13 November 08: A. Schaelicke (emstand-V09-01-43)
364	G4eBremsstrahlung - activate LPM switch for high energy model
365	G4eBremsstrahlungRelModel - revised LPMconstant
366	G4eBremsstrahlungModel, G4eBremsstrahlungRelModel - (VI) use LPM flag
367	from the base class
368
369	13 November 08: V.Ivant (emstand-V09-01-42)
370	G4PSTARStopping - fixed SiO2 and TEFLON data
371	G4ASTARStopping - fixed GRAFITE data
372
373	29 October 08: V.Ivant (emstand-V09-01-41)
374	G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90, G4WentzelVIModel
375	use StepStatus from preStepPoint to identify first step for a given track
376	instaed of step number in order to address ATLAS problem of small step
377	limits happen with suspended tracks
378
379	27 October 08: V.Ivant (emstand-V09-01-40)
380	G4UrbanMscModel2 - extra protection for "UseDistanceToBoundary" option
381	G4WentzelVIModel - fixed cross section factor for single scattering
382
383	23 October 08: V.Ivant (emstand-V09-01-39)
384	G4eCoulombScatteringModel and G4WentzelVIModel - added protection against
385	precision loss in computation of cross section at high energy
386	G4UrbanMscModel2 - fixed screening parameter of the single scattering part
387	G4eMultipleScattering - set default RangeFactor = 0.04
388
389	22 October 08: V.Ivant (emstand-V09-01-38)
390	G4IonFluctuations - added G4UniversalFluctuation model, which are used for
391	high energy; added comments and cleanup
392	G4BetheBlochModel, G4BraggIonModel - take into account effective change
393	change over the step
394	G4hIonisation - switch off nuclear stopping for pi and K mesons
395
396	20 October 08: V.Ivant (emstand-V09-01-37)
397	G4UrbanMscModel2 - return back ref-08 version
398	G4IronStopping, G4MaterialStopping, G4SimpleMaterialStopping moved to materials
399	G4eBremsstrahlungHEModel - temporary model is removed
400
401	17 October 08: V.Ivant (emstand-V09-01-36)
402	G4UrbanMscModel2 - use logic of 9.1 version for step limitation
403	option "UseSafety" to fix CPU penalty in sampling
404	calorimeters (L.Urban)
405	G4UrbanMscModel2, G4UrbanMscModel, G4UrbanMscModel90 added protection
406	against sampling scattering angle with zero transport
407	cross section
408
409	15 October 08: V.Ivant (emstand-V09-01-35)
410	For all process classes set sub-types according to the enumeration
411	of G4EmProcessSubType.hh, improved cout
412	G4UrbanMscModel2 - use screning function from G4eCoulombScatteringModel
413	G4eBremsstrahlung - set relativistic model above 1 GeV by default
414	G4eBremsstrahlungModel, G4eBremsstrahlungRelModel removed private member
415	highEnergyTh and use access method to this threshold in the base class
416
417	21 September 08: V.Ivant (emstand-V09-01-34)
418	G4BetheBlochModel, G4BraggModel, G4BraggIonModel - simplified new methods
419	G4ionIonisation - use the same low-energy model for He ions and GenericIons
420	(like it was in 9.2beta)
421
422	16 September 08: V.Ivant (emstand-V09-01-33)
423	G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90 - do not use
424	string comparison when compute transport cross section, instead
425	compare masses (G.Cosmo)
426
427	12 September 08: V.Ivant (emstand-V09-01-32)
428	Improved verbose output for processes
429	G4IonFluctuations - do not use Poisson sampling
430	G4BetheBlochModel, G4BraggModel, G4BraggIonModel - added methods
431	GetParticleCharge, GetChargeSquareRatio, CorrectionsAlongStep
432	needed for ions; define low and high energy limits inside the model
433	G4ionIonisation, G4hIonisation - remove InitialiseMassCharge and
434	CorrectionsAlongStep methods;
435	limits of kinetic energy for models
436	taken from the base class and from
437	models; separate trietment He ions
438
439	09 September 08: V.Ivant (emstand-V09-01-31)
440	G4WaterStopping, G4IronStopping, G4MaterialStopping,
441	G4SimpleMaterialStopping - use mass number instead of atomic mass
442	(A.Lechner proposal)
443	G4eBremsstrahlungModel - Migdal constant set to the vavue of
444	G4eBremsstrahlungRelModel (A.Schaelicke)
445
446	28 August 08: V.Ivant (emstand-V09-01-30)
447	G4WaterStopping, G4IronStopping - add method AddData to speeed up
448	compillation and cleanup
449	G4WentzelVIModel - fixed bug in lateral displacement
450
451	26 August 08: A.Schaelicke
452	G4eBremsstrahlungRelModel
453	* define threshold energy for LPM effect
454	* fix LPM calculation
455	* define Thomas-fermi FF (ala Tsai)
456	* some speed improvements
457
458	25 August 08: V.Ivant (emstand-V09-01-29)
459	G4MaterialStopping, G4SimpleMaterialStopping - fixed compillation
460	problem at Windows by adding a new method AddData
461
462	25 August 08: V.Ivant (emstand-V09-01-28)
463	23 August 08: V.Ivant (emstand-V09-01-27)
464	G4UrbanMscModel2 - fixed NaN in sampling of cosine theta for 50 GeV e-
465
466	22 August 08: V.Ivant (emstand-V09-01-26)
467	Added new classes with stopping data G4MaterialStopping,
468	G4SimpleMaterialStopping, G4IronStopping
469
470	13 August 08: V.Ivant (emstand-V09-01-25)
471	G4eCoulombScatteringModel - added extra protection for precision lost in
472	computation of recoil energy
473	G4eBremsstrahlungModel, G4eBremsstrahlungHEModel - define more precise names
474	of models
475
476	11 August 08: V.Ivant (emstand-V09-01-24)
477	G4IonFluctuations - do not perform loop over elements of material but use
478	effetive Z
479	G4UrbanMscModel2 - bug fix in ComputeTruePathLengthLimit (L.Urban)
480
481	4 August 08: V.Ivant (emstand-V09-01-23)
482	G4eMultipleScattering - allowed to be applied for all changed particles
483	G4UrbanMscModel2 - changed name to "UrbanMscUni2"
484	G4eCoulombScatteringModel and G4WentzelVIModel - added protections for ions
485	G4WaterStopping - added extra data
486
487	31 July 08: V.Ivant (emstand-V09-01-22)
488	G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel -
489	do not define min and max energy in constructor but use Set
490	methods
491	G4MultipleScattering, G4eMultipleScattering, G4hMultipleScattering -
492	added cout of model names
493	G4CoulombScattering - set angular limit of models by Set method
494
495	24 July 08: V.Ivant (emstand-V09-01-21)
496	G4UrbanMscModel2 - central part of scattering angle (theta0) and
497	tail of the scattering angle distribution have been tuned
498	using some e- and proton scattering data (L.Urban)
499
500	21 July 08: V.Ivant (emstand-V09-01-20)
501	G4eCoulombScatteringModel, G4CoulombScatteringModel - added usage of
502	G4ElementSelector vector, do not use A in SetupTarget method
503	G4WentzelVIModel - do not use A in SetupTarget method
504
505	16 June 08: V.Ivant (emstand-V09-01-19)
506	G4PAIPhotonModel - change model name
507	G4MultipleScattering71 - move inline virtual method to source to avoid
508	compillation warning
509
510	14 June 08: V.Ivant (emstand-V09-01-18)
511	- G4CoulombScattering - added SetHEModelLimit method to provide more easy
512	initialisation
513
514	11 June 08: V.Ivant (emstand-V09-01-17)
515	- G4eCoulombScatteringModel - SelectIsotope method moved from the derived
516	class and sampling of the recoil ion is performed
517	- G4CoulombScatteringModel - SelectIsotope method moved to the base class
518	- G4PAIxSection - new functions for resonance and Rutherford collisions
519	- G4IonFluctuations - fixed index
520	- G4ionIonisation - use G4BraggModel for low-energy ions heavier than He
521	- G4hIonisation - build separate tables for kaons to allow use hadron
522	bremsstrahlung and pair production by kaons
523
524	2 June 08: V.Ivant (emstand-V09-01-16)
525	- G4IonFluctuations - added method SetParticleAndCharge
526	- G4ionIonisation, G4ionGasIonisation - added pointer to G4IonFluctuations
527	and use of method SetParticleAndCharge; compute nuclear
528	stopping before adding corrections
529
530	20 May 08: V.Ivant (emstand-V09-01-15)
531	- G4IonFluctuations - summed fluctuation of components of a mixture instead
532	of computation for average Z
533	- G4BetheBlochModel - added projectile form-factor in computation of max
534	energy transfer and in sampling of the energy of e-
535
536	13 May 08: A.Schaelicke
537	- G4eBremsstrahlungHEModel - new model, which is an extension of the standard
538	bremsstrahlung model using a more sophisticated
539	LPM approach
540
541	09 May 08: V.Ivant (emstand-V09-01-14)
542	- G4hMultipleScattering - added method AlongStepGetPhysicalInteractionLength
543	in which for ions scaled energy normalized to one nucleon is used
544	- G4ionGasIonisation - fixed bug in update of the dynamic charge of
545	an ion
546
547	21 April 08: V.Ivant (emstand-V09-01-13)
548	- G4WentzelVIModel - new model of multiple scattering
549	- G4WaterStopping - use spline
550	- G4hMultipleScattering - do not build tables for particles with mass > GeV
551	- G4ionIonisation, G4ionGasIonisation - updated usage of high order
552	corrections
553	- G4CoulombScattering, G4eCoulombScatteringModel - use new parameter
554	polarAngleLimit
555
556	9 April 08: V.Ivant (emstand-V09-01-12)
557	- G4UrbanMscModel, G4UrbanMscModel90 - fixed assymetry in transverse
558	displacement
559	- G4eCoulombScatteringModel - fixed bug for compounds
560
561	31 March 08: V.Ivant (emstand-V09-01-11)
562	- G4eCoulombScatteringModel - use SelectAtomRandomly method
563	- G4UrbanMscModel2 (L.Urban):
564	- Simplification of step limitation in ComputeTruePathLengthLimit,
565	+ tlimitmin is the same for UseDistancetoBoundary and UseSafety
566	- Reorganization of SampleCosineTheta + new method SimpleScattering
567	SimpleScattering is used if the relative energy loss is too big
568	or theta0 is too big (see data members rellossmax, theta0max)
569	- Tuning of the correction factor in ComputeTheta0
570	- exponent c of the 'tail' model function is not equal to 2 any more,
571	value of c has been extracted from some e- scattering data
572	- Step limitation in ComputeTruePathLengthLimit has been
573	simplified further + some data members have been removed
574
575	25 March 08: V.Ivant (emstand-V09-01-10)
576	- G4BetheBlochModel - use formfactor for sampling
577	- G4eCoulombScatteringModel - remove unsued array
578
579	25 March 08: V.Ivant (emstand-V09-01-09)
580	- G4ionIonisation - use default linLossLimit of 9.1
581	- G4hIonisation - use G4IonFluctuations at low energies
582	- G4IonFluctuations - fixed computation of corrections
583	- G4BetheBlochModel - finite size correction is taken into
584	account both for delta-electron cross section and DEDX
585	- G4eCoulombScatteringModel - reorganize and cleanup computation
586	of cross section
587
588	14 March 08: V.Ivant (emstand-V09-01-08)
589	- G4UrbanMscModel2 - L.Urban fix assymetry in lateral displacement
590	- G4UrbanMscModel90, G4MscModel71 - fixed warnings for gcc 4.3.0
591
592	10 March 08: V.Ivant (emstand-V09-01-07)
593	- G4MultipleScattering, G4hMultipleScattering, G4UrbanMscModel,
594	G4UrbanMscModel2, G4UrbanMscModel90 uses G4VMscModel interface
595	- G4eMultipleScattering - new process specialized for e+,e-
596
597	06 March 08: V.Ivant (emstand-V09-01-06)
598	- G4UrbanMscModel2 is cloned from G4UrbanMscModel
599	- SubType for all processes is initialized
600
601	20 February 08: V.Ivant (emstand-V09-01-05)
602	G4eCoulombScatteringModel - speedup run-time computations using
603	precomputed nuclear form-factors per element
604
605	14 February 08: V.Ivant (emstand-V09-01-04)
606	- G4ionIonisation, G4ionGasIonisation - use new method to compute
607	corrections: IonHighOrderCorrections
608	- G4BetheBlochModel - when computing dedx for ions use new
609	method IonBarkasCorrection
610	- G4IonFluctuations - added protection to the computation of
611	the correction factor to dispersion which provide smooth
612	transition to small velocities of an ion
613
614	04 February 08: V.Ivant (emstand-V09-01-03)
615	- G4hIonisation, G4ionIonisation, G4ionGasIonisation - add extra
616	protections in computation of non-ionizing energy loss
617
618	04 February 08: V.Ivant (emstand-V09-01-02)
619	G4IonFluctuations - added protection in computation of dispersion
620	on allowing have a corrected dispersion below Bohr value
621
622	16 January 08: V.Ivant (emstand-V09-01-01)
623	G4PAIModel, G4PAIPhotonModel - added an extra protection guaranteed
624	correct usage of the last bin of the table of energy transfers
625
626	14 January 08: V.Ivant (emstand-V09-01-00)
627	- G4hIonisation, G4ionIonisation, G4ionGasIonisation - fixed
628	computation of non-ionizing energy loss: at the last ionization step
629	and at energies above 2 MeV for protons;
630	- G4eCoulombScatteringModel - use more safe numerical expression
631
632	07 December 07: V.Ivant (emstand-V09-00-22)
633	G4UrbanMscModel90 is created on base of G4UrbanMscModel of release 9.0
634	G4hMultipleScattering uses G4UrbanMscModel90
635
636	30 November 07: V.Ivant (emstand-V09-00-21)
637	G4UrbanMscModel - L.Urban fix sign of mean scattering angle for
638	negatively changed particles
639
640	29 November 07: V.Ivant (emstand-V09-00-20)
641	G4UrbanMscModel - added extra protection in sampling of angle - no
642	sampling if mean angle below tausmall
643
644	28 November 07: V.Ivant (emstand-V09-00-19)
645	G4UrbanMscModel - L.Urban added extra protection in sampling of angle
646	to avoid NaN
647	G4eCoulombScatteringModel - added a protection against precision lost
648
649	22 November 07: V.Ivant (emstand-V09-00-18)
650	G4UrbanMscModel - change parameter tausmall to avoid lost of numerical
651	precision and NaN values
652
653	20 November 07: V.Ivant (emstand-V09-00-17)
654	G4eCoulombScatteringModel - fixed crash happens at initialisation when
655	several elements with the same Z are defined
656
657	11 November 07: V.Ivant (emstand-V09-00-16)
658	G4eCoulombScatteringModel - fixed computation of transport cross section
659
660	09 November 07: V.Ivant (emstand-V09-00-15)
661	- G4ionIonisation, G4ionGasIonisation, G4CoulombScatteringModel:
662	fill NIEL energy deposit
663
664	29 October 07: V.Ivant (emstand-V09-00-14)
665	- G4UrbanMscModel (V.Ivanchenko) - fixed nan for heavy ions introduced
666	in previous tag
667
668	27 October 07: V.Ivant (emstand-V09-00-13)
669	- G4eCoulombScatteringModel, G4CoulombScatteringModel use precomputed
670	Z^1/3 and log(A) values to speed up the code; revised nuclear size
671	correction
672
673	- G4UrbanMscModel (L.Urban):
674	- changed initialisation for ions - parameters are protected
675	from modification
676	- use sampleScattering method instead of SampleSecondaries
677	- use different correction to Highland formula for different
678	particle type (electron, muons, others)
679	- tuning ComputeGeomPathLength in order to get better low
680	energy behavior for heavy particles (mu, hadrons)
681	- small modification of theta0 in ComputeTheta0 (based on data)
682	- some old inconsistency/bug has been cured in SampleCosineTheta
683	now the variable prob is always in [0,1]
684
685	08 October 07: V.Ivant (emstand-V09-00-12)
686	- G4eCoulombScatteringModel, G4CoulombScatteringModel
687	- add cut dependence for scattering off electrons
688	- reorganized protected methods
689
690	02 October 07: V.Ivant (emstand-V09-00-11)
691	G4eplusAnnihilation - enable AtRest
692	G4PAIModel - general cleanup, fixed memory leak
693	G4PAIySection - a new class which substitutes G4PAIxSection,
694	this class is free of memory leak
695
696	27 Septamber 07: V.Ivant (emstand-V09-00-10)
697	G4IonFluctuations - added dependence on cut in the formula of width on cut,
698	reduces cut dependence of Bragg peak width for ions; use Fermi energy
699	from G4Material
700	G4BohrFluctuations - minor cleanup
701
702	26 Septamber 07: V.Ivant (emstand-V09-00-09)
703	G4PAIphotonModel, G4PAIModel - fixed MaxSecondaryEnergy method for
704	e- and e+ and use it for definition of max energy transfer;
705	added control on all cout by fVerbose;
706
707	28 August 07: V.Ivant (emstand-V09-00-08)
708	- G4eCoulombScatteringModel - fixed compilation warning
709
710	15 August 07: V.Ivant (emstand-V09-00-07)
711	- G4eCoulombScatteringModel and G4CoulombScatteringModel - fixed bug in
712	computation of screening parameters in SampleSecondary method;
713	reorganized initialisation of kinematics and screening parameters;
714	used Z(Z+1) factor to take into account scattering off e-
715
716	13 August 07: V.Ivant (emstand-V09-00-06)
717	- G4CoulombScatteringModel - fixed bug in kinematic of final state
718	- G4ionIonisation - add protected methods BetheBlochEnergyThreshold()
719	and NuclearStoppingFlag()
720	- G4ionGasIonisation - added complete implementation of the method
721	CorrectionsAlongStep() and do not call base class
722	- G4UrbanMscModel - tail of angular distribution modified; compare (L.Urban)
723	safety with zero after lateral displacement (VI)
724
725	02 August 07: V.Ivant (emstand-V09-00-05)
726	- G4UrbanMscModel - compare safety not with 0 but with tlimitminfix
727
728	31 July 07: V.Ivant (emstand-V09-00-04)
729	- G4CoulombScatteringModel - introduce energy threshold between models
730	with and without nuclear recoil
731	- G4eCoulombScatteringModel - add array to cash screen parameters
732	- G4CoulombScatteringModel - fix bug in SamplingSecondaries
733
734	30 July 07: V.Ivant (emstand-V09-00-03)
735	30 July 07: L.Urban
736	- G4UrbanMscModel - new, simpler model functions to describe the angular
737	distribution; theta0 of this distribution has been changed too (now
738	the form of theta0 is the same as in the Highland formula, but the
739	parameter values are different for e+/e- and the other (heavy) particles;
740	the change for the UseDistanseToBoundary case: tlimitmin = 10 stepmin;
741	some cosmetics in ComputeTruePathLengthLimit.
742
743	28 July 07: V.Ivant (emstand-V09-00-02)
744	- G4eCoulombScatteringModel - updated screen radius model
745	- G4ionIonisation - remove obsolete method DefineMassCharge
746	- G4ionGasIonisation - new ion ionisation process with descrete ion charge and
747	no equilibrium between ion and media
748	- G4BraggModel, G4BraggIonModel - more safe computation of scattering angle
749
750	16 July 07: V.Ivant (emstand-V09-00-01)
751	- G4CoulombScattering - update InitialiseProcess and PrintInfo methods
752	to ensure parameters of models change between runs and more clear cout
753	- G4eCoulombScatteringModel, G4CoulombScatteringModel - added nuclear size
754	effect; added separate simulation of scattering on atomic electrons taking
755	into account cuts; fixed cross section for compounds.
756
757	13 July 07: V.Ivant (emstand-V09-00-00)
758	- G4UniversalFluctuation - added protection such that no sampling of
759	fluctuations is done if mean energy loss at the step is below minimal
760	excitation energy of the media. The fix is important for cases of
761	low-dense gases and very small steps.
762
763	19 June 07: V.Ivant (emstand-V08-03-10)
764	- G4UrbanMscModel for skin > 0 use range instead of TrueStepLimit
765	for computation of distance to boundary, this provides stable
766	step limitation by GeomFactor (L.Urban)
767
768	11 May 07: V.Ivant (emstand-V08-03-09)
769	- G4MultipleScattering, G4hMultipleScattering - substitute name
770	"G4v71" -> "Minimal"
771
772	29 May 07: V.Ivanchenko (emstand-V08-03-08)
773	- G4MultipleScattering, G4hMultipleScattering - fix initialisation
774	of lateral displacement (bug introduced in previuos tag)
775
776	23 May 07: V.Ivanchenko (emstand-V08-03-07)
777	- In all processes inherit from G4VEnergyLossProcess or G4VEmProcess
778	remove method SecondaryPostStep;
779	- G4eBremsstrahlung - remove definition of gamma threshold from constructor,
780	define this parameter at initialisation of the process from
781	G4LossTableManager
782	- G4eeToTwoGammaModel use fParticleChange inside SampleSecondaries
783
784	22 May 07: V.Ivanchenko (emstand-V08-03-06)
785	- G4VEmModel - changed interface of SampleSecondary method, it become
786	void, extra parameter std::vector<G4DynamicParticle>, all
787	classes using or inhereting this interface are modified.
788	About 5% speedup of EM shower simulation
789
790	21 May 07: V.Ivanchenko (emstand-V08-03-05)
791	- G4ionIonisation - added InitialiseMassCharge method; remove
792	GetMeanFreePath implementation
793
794	20 May 07: V.Ivanchenko (emstand-V08-03-04)
795	- G4ionIonisation - added NuclearStopping flag
796
797	18 May 07: V.Ivanchenko (emstand-V08-03-03)
798	- remove obsolete G4VeEnergyLoss and G4VhEnergyLoss
799
800	18 May 07: V.Ivanchenko (emstand-V08-03-02)
801	- G4MultipleScattering, G4hMultipleScattering - reorganized methods
802	for setting msc
803	parameters
804	- G4UrbanMscModel - reorganized initialisation; use G4MscStepLimitType
805	enumerator to choose step limit algorithm
806
807
808	16 May 07: V.Ivanchenko (emstand-V08-03-01)
809	- Remove obsolete classes G4GammaConversion52,
810	G4PhotoElectricEffect52, G4eBremsstrahlung52, G4eIonisation52,
811	G4eplusAnnihilation52, G4hIonisation52, G4MultipleScattering52
812	- G4ionIonisation - add data for stopping only for GenericIons
813
814	11 May 07: G.Cosmo (emstand-V08-03-00)
815	- Use call to G4GeometryTolerance instead of kCarTolerance in PAI classes.
816	- Requires tag "global-V08-03-00" and related tag set.
817
818	10 May 07: V.Ivanchenko (emstand-V08-02-16)
819	- G4UrbanMscModel - Fix bug - restore performance of EMV PhysicsLists
820
821	01 May 07: V.Ivanchenko (emstand-V08-02-15)
822	- G4UrbanMscModel - L.Urban: optimisation of step limitation for skin>0
823	(about 5% CPU save)
824
825	24 April 07: V.Ivanchenko (emstand-V08-02-14)
826	- G4MultipleScattering - use by default skin=0, because the current
827	interface to G4SafetyHelper does not allow
828	it to provide a valid step in the case of
829	magnetic field
830
831	23 April 07: V.Ivanchenko (emstand-V08-02-13)
832	- G4UrbanMscModel - L.Urban: stepping near to boundaries has been
833	changed back in order to have small steps
834	with single scattering before+after boundary
835	for skin > 1.
836
837	12 April 07: V.Ivanchenko
838	- G4UrbanMscModel - use unique G4SafetyHelper; clean up logic in
839	ComputeTruePathLengthLimit.
840
841	04 April 07: V.Ivanchenko (emstand-V08-02-12)
842	- G4UniversalFluctuation - L.Urban:correction of the algorithm
843	in order to have better width.
844	The width of the energy loss distribution
845	agree rather well with the data.
846
847	24 April 07: V.Ivanchenko (emstand-V08-02-11a)
848	- G4MultipleScattering - set default skin=0 for 8.3
849
850	22 March 07: V.Ivanchenko (emstand-V08-02-11)
851	- G4MultipleScattering - use skin parameter from the base class
852	- G4UniversalFluctuation - L.Urban: minor optimisation
853
854	20 March 07: V.Ivanchenko (emstand-V08-02-10)
855	- G4hMultipleScattering - remove SetSkin method, which is implemented
856	in the base class - allowing skin>0
857
858	- G4UniversalFluctuation- L.Urban: 'GLANDZ' part of the fluct. model
859	has been completely rewritten, there is no
860	separate very small loss regime any more.
861	The effect of this update is the far better
862	stability of the result against the changes
863	in the cut and changes in the stepsize.
864
865	- G4eBremsstrahlungModel - add reinitialisation of LPM flag (VI)
866
867	24 February 07: V.Ivanchenko (emstand-V08-02-09)
868	- G4MultipleScattering - remove SetSkin method, which is implemented
869	in the base class - allowing skin>0
870
871	03 March 07
872	- G4UrbanMscModel - single scattering allowed near to boundaries only,
873	not everywhere
874
875	24 February 07: V.Ivanchenko (emstand-V08-02-08)
876	- G4UrbanMscModel - L.Urban step reduction before boundary for
877	geomlimit<geombig only
878
879	23 February 07: V.Ivanchenko (emstand-V08-02-07)
880	- G4hIonisation - remove dependence on K+ and K- particles
881	- G4BetheHeitlerModel - for any initial energy select atom of the material
882	on which conversion occur (needed for
883	polarisation library)
884	- G4UrbanMscModel - use tPathLength inside ComputeStep instead of geombig
885
886	15-Feb-07:
887	- G4UrbanMscModel - L.Urban: small steps with single scattering before and
888	after boundary for skin > 1, for skin=0 and skin=1
889	it works as earlier
890
891	15 February 07: mma (emstand-V08-02-06)
892	- G4eBremsstrahlungModel: correct LPMconstant by factor 2, thanks to G. Depaola
893
894	13 February 07: V.Ivanchenko (emstand-V08-02-05)
895	12 February 07:
896	- G4UrbanMscModel - L.Urban: stepping algorithm changed for skin=0,
897	now there are 3 stepping mode :
898	stepping a la 7.1
899	skin=0 designed for high energy simulations with
900	or without magnetic field
901	skin=1 designed for 'precision' simulations
902	without magnetic field (default)
903
904	06 February 07: V.Ivanchenko (emstand-V08-02-04)
905	- G4UrbanMscModel - L.Urban : fix in the single scattering code for heavy
906	particles, now the code can be used with
907	skin=1 e+/e- and for heavy particles as well.
908
909	- G4MultipleScattering - allow reinicialisation of model parameters between runs
910	- G4UrbanMscModel - V.Ivanchenko add extra protection inside SampleDisplacement
911	move SetMscStepLimitation from header to source
912	and add inside extra initialisation
913	L.Urban add protection for case when energy loss
914	inactivated; fix computation of skindepth value
915
916	29 January 07: V.Ivanchenko (emstand-V08-02-03)
917	- G4UrbanMscModel - V.Ivanchenko add protections agains NaN values
918	in two places: protection of lateral displacement,
919	sampling of theta when tau = 0;
920	add protection inside ComputeTrueStepLength for
921	the case very small (zero) geometry length
922	true length set equal to geometry length
923
924	19 January 07: V.Ivanchenko (emstand-V08-02-02)
925	- G4UrbanMscModel - L.Urban add protection inside lateral displacement
926	sampling against case TrueStepLength < GeomStepLength
927
928	18 January 07: V.Ivanchenko (emstand-V08-02-01)
929	- Fix crash in PrintInfo methods
930	- G4UrbanMscModel - remove Locate call to navigator
931
932	15 January 07: mma (emstand-V08-02-00)
933	- use SetEmModel(index) add SetFluctModel() from G4VEnergyLossProcess
934	in eIonisation, hIonisation, ionIonisation, eBremstrahlung
935
936	04 Dec 06: V.Ivanchenko (emstand-V08-01-16)
937	- G4UrbanMscModel - fix in ComputeTruePathLengthLimit stepmin=1.e-6*mm
938	(L.Urban)
939
940	23 Nov 06: V.Ivanchenko (emstand-V08-01-15)
941	- G4MultipleScattering - set default skin=1 only for e+-,
942	for all other particles default skin=0
943
944	20 Nov 06: V.Ivanchenko (emstand-V08-01-14)
945	20 Nov 06:
946	- G4UrbanMscModel - fix in the single scattering part of SampleCosineTheta,
947	now there is single scattering just before boundary crossings (and not
948	inside a volume)
949
950	15 Nov 06: V.Ivanchenko (emstand-V08-01-13)
951	- G4UrbanMscModel - fix NaN inside SampleCosineTheta (L.Urban)
952
953	10 Nov 06: V.Ivanchenko (emstand-V08-01-12)
954	07 Nov 06:
955	- G4UrbanMscModel - some optimization in ComputeTruePathLengthLimit,
956	fixes in ComputeGeomPathLength, SampleCosineTheta (L.Urban)
957
958	31 Oct 06: V.Ivanchenko (emstand-V08-01-11)
959	- G4UrbanMscModel is changed to work with new approach of parallel
960	navigation (j.Apostolakis)
961
962	26 Oct 06: V.Ivanchenko (emstand-V08-01-10)
963	- G4hMultipleScattering - new class configured for hadrons
964	- G4eCoulombScatteringModel - set cross section const below 1 keV
965
966	23 Oct 06: V.Ivanchenko (emstand-V08-01-09)
967	- G4BraggIonModel - reduce lowest energy for parameterisation to 0.25 keV
968	23 Oct 06: L.Urban
969	- G4MultipleScattering - parameter skin = 1 by default,
970	- G4UrbanMscModel - more effective safety update in SampleSecondaries,
971	+ come cosmetics.
972
973	20 Oct 06: V.Ivanchenko (emstand-V08-01-08)
974	- G4CoulombScatteringModel inherit from G4eCoulombScatteringModel,
975	screening parameter computation is done in inline function
976	- G4eeToTwoGammaModel - introduce member theGamma
977
978	20 Oct 06: L.Urban cleanup of msc
979	- theta0 parameter for SampleCosineTheta is computed in a public
980	function ComputeTheta0;
981	- default value of skin = 0 (there is no small step with single scattering if
982	skin <=0, and there are ~skin small steps if skin >0
983	- no z sampling in ComputeGeomPathLength by default
984	- correction in the single scattering part, allowing not only small angles now
985	- PostStep ComputeSafety(pos) is used
986
987	16 Oct 06: V.Ivanchenko (emstand-V08-01-07)
988	- Add extra protection to G4eplusAnnihilation52
989	- Add warning to all processes 52 and 71 type
990
991	16 Oct 06: L.Urban
992	- new msc version (G4MultipleScattering, G4UrbanMscModel):
993	- Stepping has been modified:
994	- min. steplimit in 8.1: tlimitmin = max(lambda/25, 5 nanometer)
995	now : tlimitmin = max(lambda/25, 1.01*stepmin)
996	where stepmin ~ lambda elastic
997
998	- possibility to have extreme small step(s) before boundary crossing
999	this feature is not active by default;
1000	it can be activated by setting the data member "skin" to a
1001	non-negative value, steplimit = stepmin, if the distance to the boundary
1002	(in the original direction) is smaller than skin*stepmin;
1003
1004	- the step restriction is weaker for particles with higher energy,
1005	i.e. bigger effective facrange value is used in this case
1006	in 8.0/8.1 this 'scaling' depends on Tkin, new version :
1007	scaling depends on lambda, giving smaller material dependence
1008
1009	- Angular distribution has been changed:
1010
1011	- single/plural scattering for step <= stepmin
1012	(in this case t = z + no lateral displacement)
1013
1014	- parameter theta0 has been (sligtly) modified
1015
1016	- tail of the distribution has been modified, now the parameter
1017	describing the tail is material (i.e. Z) dependent
1018
1019	14 Sept 06: mma (emstand-V08-01-06)
1020	- move the function SetModel() in G4VEmProcess
1021
1022	09 Sept 06: mma (emstand-V08-01-05)
1023	- add/modify the function SetModel() in G4PhotoElectric, G4ComptonScattering,
1024	G4GammaConversion, G4eplusAnnihilation
1025
1026	08 Sep 06: V.Ivanchenko (emstand-V08-01-04)
1027	- Bug fixed in PAI model concerning Tmax for electrons and positrons. Tmax
1028	is defined now for each particle independently (V.Grichine)
1029
1030	30 Aug 06: V.Ivanchenko (emstand-V08-01-03)
1031	- Provide changings required for new processes/models with polarization:
1032	G4KleinNishinaCompton - make some members protected
1033	G4MollerBhabhaModel - make some members protected
1034	G4eBremsstrahlungModel - reorganize SelectRandomAom method and make
1035	some members protected
1036
1037	29 Aug 06: V.Ivanchenko (emstand-V08-01-02)
1038	- Fix problem of positron zero incident energy in G4eeToTwoGammaModel
1039	- Add extra protection inside G4BetheBlochModel
1040
1041	19 Aug 06: V.Ivanchenko (emstand-V08-01-01)
1042	- Fix energy non-conservation in G4PAIModel for positrons (V.Grichine)
1043
1044	08 Aug 06: V.Ivanchenko (emstand-V08-01-00)
1045	- Fix problems and add comments in the classes prototype Coulomb
1046	elastic scattering: G4CoulombScattering, G4CoulombScatteringModel,
1047	G4eCoulombScatteringModel
1048	- Set default limit on scattering angle to zero
1049
1050	22 May 06: V.Ivanchenko (emstand-V08-00-25)
1051	- G4eBremsstrahlung - use gammaThreshold from G4LossTableManager for
1052	more easier initialisation (CMS request)
1053
1054	17 May 06: V.Ivanchenko (emstand-V08-00-24)
1055	- G4UrbanMscModel - L.Urban improve scattering in thin layers
1056	- G4ASTARStopping, G4PSTARStopping improve comments
1057
1058	15 May 06: V.Ivanchenko (emstand-V08-00-23)
1059	- G4MollerBhabhaMOdel - fix MinEnergyCut
1060
1061	13 May 06: V.Ivanchenko (emstand-V08-00-22)
1062	- G4WaterStopping - data for light ion stopping in water
1063	- G4ionIonisation - add possibility top use user data on stopping power
1064
1065	11 May 06: L.Urban
1066	- G4MultipleScattering : values of data members tkinlimit, factail
1067	has been changed
1068	- G4MscUrbanModel : new data members, changes in ComputeTruePathLengthLimit
1069	and in SampleCosineTheta,
1070	name of data member safety has been changed to presafety.
1071
1072	10 May 06: V.Ivanchenko (emstand-V08-00-21)
1073	- G4MultipleScattering and G4MscUrbanModel - provide a possibility of
1074	reinitialisation of facrange and steppingAlgorithm parameters
1075	between runs;
1076	- Fix compilation warning at SUN;
1077
1078	04 May 06: V.Ivanchenko (emstand-V08-00-20)
1079	- G4BetheBlochModel - use different formula for muons and hadrons for tmax (VI)
1080	- G4UrbanMscModel - fix SUN compilation warning (VI)
1081
1082	26 April 06: V.Ivanchenko (emstand-V08-00-19)
1083	- G4PSTARStopping and G4ASTARStopping - new classes with NIST data on stopping
1084	powers are used by G4BraggModel and G4BraggIonModel
1085	- G4hIonisation - spin/mass effect update
1086
1087	05 April 06: V.Ivanchenko (emstand-V08-00-18)
1088	G4hIonisation - VI add mass and spin effects (important for pion ionisation)
1089	G4SynchrotronRadiation is moved to xrays and GNUmakefile is modified accordingly
1090	30 March 06 : V.Grichine
1091	G4SynchrotronRadiation - bug fixed for unit polarisation in PostStepDoIt
1092
1093	28 March 06: V.Ivanchenko (emstand-V08-00-17)
1094	- G4eBremsstrahlungModel - fix problem of energy loss calculation below 10 MeV
1095	- G4KleinNishinaModel - remove upper energy limit to have a smooth cross section
1096	27 March 06 : V.Grichine, G4SynchrotronRadiation updated to set polarisation and
1097	new methods for angular distribution
1098	- G4PAImodel and G4PAIPhotonMOdel fixes important for very low energy hadrons (VG)
1099
1100	23 March 06: V.Ivanchenko (emstand-V08-00-16)
1101	23 March 06: L.Urban
1102	- bugfix in the SampleCosineThete method in G4UrbanMscModel
1103
1104
1105	21 March 06 : V.Ivanchenko (emstand-V08-00-15)
1106	- G4eBremsstrahlungModel - fix problem of initialisation in the case when
1107	cuts are not defined (needed for Extrapolator and for unit tests)
1108	- add prototypes of elastic Coulomb scattering - only for testing
1109
1110	13 March 06 : V.Ivanchenko (emstand-V08-00-14)
1111	- G4UrbanMscModel - fix problem of non-initialised variable
1112
1113	09 March 06 : V.Ivanchenko (emstand-V08-00-13)
1114	- G4MultipleScattering - Make steppling alg be active for ions by default
1115	09 March 06 : V. Grichine
1116	- update of G4SynchrotronRadiation methods for calculation of
1117	integral number spectrum
1118
1119	07 March 06 : V.Ivanchenko (emstand-V08-00-12)
1120	- Remove G4MscModel
1121	- Use G4UbbanModel for G4MultipleScattering
1122
1123	07 March 06 : V.Ivanchenko (emstand-V08-00-11)
1124	- Fix bug in cross section in G4MscModel71 introduced in 08-00-10
1125	- Create G4UrbanMscModel and optimize interface for msc models
1126	04 March 06 : V. Grichine
1127	- update of G4SynchrotronRadiation to work in locally (in a volume)
1128	set magnetic field
1129
1130	17 February 06 : V.Ivanchenko (emstand-V08-00-10)
1131	- G4MscModel and G4MscModel71 - compute really transport cross section,
1132	not mfp
1133
1134	16 February 06 : L.Urban (emstand-V08-00-09)
1135	- G4MultipleScattering: set function for data member factail,
1136	z sampling by default
1137	- G4MscModel: data members b, xsi removed, code cleaning,
1138	revised 'z' sampling and samplez = true by default
1139
1140	15 February 06 : mma (emstand-V08-00-08)
1141	- added functions G4BraggModel::ComputeCrossSectionPerElectron/Atom()
1142	- added functions G4BraggIonModel::ComputeCrossSectionPerElectron/Atom()
1143	- remove obsolete G4SCProcessorStand (V.Ivanchenko)
1144
1145	11 February 06 : mma (emstand-V08-00-07)
1146	- added functions G4BetheBlochModel::ComputeCrossSectionPerElectron/Atom()
1147	- move G4LossTableManager::Instance()->EmCorrections() in constructor
1148
1149	08 February 06 : mma (emstand-V08-00-06)
1150	- G4hIonisation52, G4eIonisation52, G4eBremsstrahlung52 : the functions
1151	ComputeCrossSectionPerAtom() and ComputeRestrictedMeandEdx() are made public.
1152	- added test programs : CrossSectionStd.cc and CrossSectionV52.cc
1153
1154	07 February 06 : mma
1155	- added function G4PEEffectModel::ComputeMeanFreePath()
1156	- added functions G4eeToTwoGammaModel::ComputeCrossSectionPerElectron/Atom()
1157	- added functions G4MollerBhabhaModel::ComputeCrossSectionPerElectron/Atom()
1158	- added function G4eBremsstrahlungModel::ComputeCrossSectionPerAtom()
1159
1160	02 February 06 : mma
1161	- G4BetheHeitlerModel : remove InitialiseCrossSectionPerAtom()
1162
1163	31 January 06 : mma (emstand-V08-00-05)
1164	- emstand-V08-00-04 + emstand_p01-V08-00-00
1165
1166	30 January 06 : mma (emstand_p01-V08-00-00)
1167	- build on top of geant4-08-00-ref-00
1168	- G4PolarizedComptonScattering : return G4ComptonScattering52::PostStepDoIt()
1169
1170	26 January 05: V.Ivant (emstand-V08-00-04)
1171	26 January 06: V. Grichine
1172	- fix nan value for delta direction for the case of zero cut
1173
1174	25 January 05: mma (emstand-V08-00-03)
1175	- G4eplusAnnihilation::AtRestDoIt() : remove cut dependance
1176
1177	24 January 05: V.Ivant (emstand-V08-00-02)
1178	24 January 06: V. Grichine
1179	- fVerbose for G4PAIModel providing hiding of some technical messages
1180
1181	20 January 05: V.Ivant (emstand-V08-00-01)
1182	19 January 06: L.Urban
1183	- G4MultipleScattering: value of facgeom changed (4 -> 3.5)
1184	tlimitmin = facrange50micrometer
1185	G4MscModel: tail of angular distribution changed
1186
1187	10 January 05: V.Ivant (emstand-V08-00-00)
1188	- substitute the method SetStepLimits by SetStepFunction
1189	- move initialisation of default values to the constructor
1190
1191	12 December 05: L.Urban (emstand-V07-01-30)
1192
1193	- G4MultipleScattering: data member rangecut removed, step limit
1194	does not depend on cut any more
1195
1196	8 December 05: mma (emstand-V07-01-29)
1197	- G4MultipleScattering: world is now: navigator->GetWorldVolume()
1198
1199	7 December 05: mma (emstand-V07-01-28)
1200	- G4MultipleScattering: tlimitmin = facrange*rangecut(e-) for every particle
1201	- rangecut computed using index instead of particle name
1202	- volume name World removed
1203
1204	5 December 05: mma (emstand-V07-01-27)
1205	- particleChange.SetProposedKineticEnergy(0.) for killed particle in
1206	G4PEEffectModel, G4BetheHeilterModel, G4eplusAnnihilation.
1207
1208
1209	1 December 05: V.Ivant (emstand-V07-01-26)
1210	- G4MultipleScattering - add control on verbosity inside SetStepLimitation
1211	and extend PrintInfo output
1212
1213	30 November 05: G.Cosmo (emstand-V07-01-25)
1214	- Trivial fixes to G4PAIModel and G4PAIPhotonModel for support of
1215	CLHEP 2.0.X series.
1216
1217	29 November 05: V.Ivant (emstand-V07-01-24)
1218	- Do not use G4Alpha inside G4BraggIonModel to avoid clash with
1219	new particle design
1220
1221	16 November 05: mma (emstand-V07-01-23)
1222	- replace RandBit() by G4UniformRand() in G4GammaConversion52 and
1223	G4BetheHeitlerModel
1224
1225	16 November 05: V. Ivanchenko (emstand-V07-01-22)
1226	- G4eBremsstrahlungModel.cc: add electron deviation
1227
1228	13 November 05: L.urban (emstand-V07-01-21)
1229	- G4MultipleScattering: some code cleaning, slightly better timing
1230	for sampling calorimeters (by 1 - 6 %, depending on cut and
1231	geometry)
1232	- additionnal printing in G4PAIModel
1233
1234	05 November 05: L.Urban
1235	- G4MultipleScattering: minimum stepsize depends on cut in range
1236	tlimitmin = facrange*rangecut
1237
1238	27 October 05: mma (emstand-V07-01-20)
1239	- G4MultipleScattering: stepLimitAlgorithm renamed to steppingAlgorithm;
1240	Function MscStepLimitation (G4bool algorithm, G4double facrange)
1241
1242	25 October 05: L.Urban
1243	- G4MultipleScattering: data member prec renamed to stepLimitAlgorithm
1244	SetstepLimitAlgorithm(G4bool) triggers 'default' facrange
1245	values (true 0.02, false 0.2), but facrange can be set separately too.
1246
1247	23 October 05: L.Urban
1248	- G4MultipleScattering: 'new' msc stepping + 7.1 like stepping
1249	together, one can choose between them using data members
1250	prec and facrange
1251
1252	23 October 05: V.Ivant (emstand-V07-01-05b)
1253	- a tag included fixes in G4BraggModel.cc and G4BraggIonModel.cc
1254	on top of emstand-V07-01-05a; assumed for the patch-01
1255
1256	17 October 05: V.Ivant (emstand-V07-01-19)
1257	- fix in G4BraggModel.cc in chemical formula correction
1258
1259	17 October 05: L.Urban (emstand-V07-01-18)
1260	- G4UniversalFluctuation.cc: correction for very small loss
1261	to avoid 0 energy loss
1262	- fix in G4BraggIonModel.cc in chemical formula correction
1263
1264	13 October 05: mma (emstand-V07-01-17)
1265	- G4MultipleScattering.cc: remove SetFacrange(0.02) from InitialiseProcess
1266
1267	12 October 05: L.Urban (emstand-V07-01-16)
1268	- G4MultipleScattering.cc: change in TruePathLengthLimit conditions,
1269	slightly better timing and much weaker cut dependence
1270
1271	10 October 05: V.Ivant (emstand-07-01-15)
1272	- Fix non-initilised variable in G4MultipleScattering
1273
1274	7 October 05: L.Urban (emstand-V07-01-14)
1275	- G4MultipleScattering.cc: bug fixed in TruePathLengthLimit.
1276	Must cowork with emutils-V07-01-05
1277
1278	6 October 05: L.Urban (emstand-V07-01-13)
1279	- G4MultipleScattering: change in conditions limiting
1280	the step --> better timing with the same physics
1281
1282	4 October 05: L.Urban (emstand-V07-01-12)
1283	- G4MultipleScattering: upper limit for facrange 0.2,
1284	facgeom =2 always, corr. in set function of facgeom
1285
1286	4 October 05: V.Ivant (emstand-V07-01-11)
1287	- Move G4MultipleScattering80 and G4MscModel80 into
1288	G4MultipleScattering and G4MscModel
1289
1290	3 October 05: L.Urban (emstand-V07-01-10)
1291	- G4MultipleScattering80 : weaker step limitation above
1292	Tkinlimit = 2 MeV for e+/e- (limit scaled with mass
1293	for other particles).Soft limit: facrange increases
1294	linearly with energy above Tkinlimit.
1295	- G4UniversalFluctuation : cut dependence of the en.loss
1296	distribution has been reduced
1297
1298	2 October 05: mma (emstand-V07-01-09)
1299	- G4eIonisation, G4hIonisation : SetStepLimits (0.2, 1*mm) + integral on
1300
1301	2 October 05: L.Urban
1302	- conditions for step limit now are considered 'final' in
1303	G4MultipleScattering80.cc + code cleaning
1304	- nuclear size correction has been removed from G4MscModel80,
1305	the correction is already included in the (theoretical)
1306	tabulated cross section values for Tkin > 10 MeV
1307
1308	16 September 05: L.Urban
1309	- reordering of the conditions in TruePathLengthLimit of
1310	G4MultipleScattering80.cc (It gives the same result than
1311	preceding version, but it is faster)
1312
1313	12 September 05: L.Urban
1314	- new version of G4MultipleScattering80, now the true pathlength
1315	limit is determined by the physics (facrange) + geometry
1316
1317	2 September 05: V.Ivant. (emstand-V07-01-08)
1318	- G4hIonisation : SetStepLimits (0.2, 0.1*mm) + integral off
1319
1320	2 September 05: V.Ivant. (emstand-V07-01-07)
1321	- G4eIonisation : integral off
1322
1323	2 September 05: V.Ivant. (emstand-V07-01-06)
1324	- G4eIonisation : SetStepLimits (0.2, 0.1*mm)
1325	- add G4MultipleScattering80 and G4MscModel80
1326
1327	2 September 05: V.Ivant. (emstand-V07-01-05)
1328	- This tag is 7.1 + bug fixes
1329	- G4eIonisation : SetStepLimits (1, 1*mm)
1330	- G4hIonisation : SetStepLimits (0.2, 1*mm)
1331
1332	12 August 05: mma (emstand-V07-01-04)
1333	- G4eIonisation and G4hIonisation : SetStepLimits (0.2, 0.1*mm)
1334
1335	11 August 05: Laszlo + mma (emstand-V07-01-03)
1336	- add G4MultipleScattering80 and G4MscModel80
1337
1338	03 August 05: V.Ivant (emstand-V07-01-02)
1339	- Fix intialisation G4eBremsstrahlungModel
1340
1341	25 July 05: V.Ivant (emstand-V07-01-01)
1342	- Fix in G4MollerBhabhaModel: add protection in calculation of recoil direction
1343	for the case of complete energy transfer from e+ to e-
1344
1345	30 June 05: V.Ivant (emstand-V07-01-00)
1346	24 May 05: V.Ivant (stand-V07-00-12)
1347	- Change G4BaggIonModel and G4BaggModel in order to have parameterization
1348	of chemical effect be independent on method of material definition (by
1349	number of atoms or by mass fractions);
1350	- Increase number of bins for internal table of G4BetheHeitlerModel
1351	- Add protection for (tmax < meanPot and pot0) in G4UniversalFluctuations
1352
1353	30 May 05: V.Ivant (stand-V07-00-11)
1354	- Fix compilation warning at SUN in G4BaggIonModel;
1355
1356	12 May 05: V.Ivant (stand-V07-00-10)
1357	- Move G4BaggIonModel to updated interfaces;
1358	- cleanup
1359
1360	03 May 05: V.Ivant (stand-V07-00-09)
1361	- move v70 processes (model interface) to be default and old to be 52
1362	(Compton, GammaConversion, PhotoElectricEffect, eplusAnnihilation)
1363
1364	03 May 05: mma (stand-V07-00-08)
1365	- last tag before permutation v70 -> stand ->v52 for photon processes
1366	- G4eplusAnnihilation70 : suppress Integral option
1367	- G4PEEffectModel::SampleSecondaries() : correct for shell selection
1368	- fabs -> std::abs
1369
1370	03 May 05: L.Urban
1371	- G4UniversalFluctuation.cc : bugfix in the part of the Gaussian
1372	fluctuation + smearing for very small (~eV) loss
1373
1374	21 April 05: V.Ivant (stand-V07-00-07)
1375	- Add G4PhotoElectricEffect70
1376
1377	19 April 05: V.Ivant (stand-V07-00-06)
1378	- Add G4GammaConvertion70
1379	- Cash pointer to navigator for G4MscModel
1380
1381	18 April 05: V.Ivant (stand-V07-00-05)
1382	- Gamma processes migrate to G4ParticleChangeForGamma
1383	- G4MultipleScattering and G4MscModel - optimise internal interfaces
1384
1385	13 April 05: V.Ivant (stand-V07-00-04)
1386	- Remove PAIwithPhotonModel
1387	- Migrade to updated interfaces of utils
1388	- Use G4EmCorrections for hadrons/ions ionisation
1389
1390	18 March 05: V.Ivant (stand-V07-00-03)
1391	- Add G4ComptonScattering70 and G4KleinNishinaModel (V.Ivanchenko)
1392
1393	11 March 05: V.Ivant (stand-V07-00-02)
1394	- Add G4hIonisation70 and G4ionIonisation70 classes (V.Ivanchenko)
1395
1396	10 Feb 05: V.Ivant (stand-V07-00-01)
1397	- Extra protection in G4PAIModel (V.Grichine)
1398
1399	07 Feb 05: mma (stand-V07-00-00)
1400	- G4MultipleScattering.cc : make the Setsamplez function working
1401	- G4UniversalFluctuation.hh and .cc : define problim = 5.e-3
1402	set minLoss = 10 eV
1403
1404	01 Dec 04: V.Ivant (stand-V06-02-14)
1405	- Migration to cmath
1406
1407	01 Dec 04: V.Ivant (stand-V06-02-13)
1408	- Move in the classes with real models from utils
1409
1410	30 Nov 04: V.Ivant (stand-V06-02-12)
1411	- Remove G4PAIonisation.icc
1412
1413	29 Nov 04: V.Ivant (stand-V06-02-11)
1414	- Restructure of standard subdirectories
1415	- Cleanup GNUmakefile
1416
1417	17 Nov 04: V.Ivant (stand-V06-02-10)
1418	- Fix problem of test27
1419
1420	11 Nov 04: V.Ivant (stand-V06-02-09)
1421	- Migration to new algorithm to Store/Retrieve tables
1422
1423	04 Nov 04: V.Ivant (stand-V06-02-08)
1424	- Add energy threshold for gamma of G4eBremsstrahlung, which will be used
1425	to kill e- and start new track in case of hard photon emmision
1426	- Modified fluctuation model for G4PAIPhotonModel
1427
1428	25 Oct 04: V.Ivant (stand-V06-02-07)
1429	- Migrate to new interfaces for ParticleChange
1430
1431	15 Oct 04: V.Ivant (stand-V06-02-06)
1432	- Fix in PAI models - remove cut dependence of results (V.Grichine)
1433	- Fix in G4ionIonisation - can use alpha tables
1434
1435	14 Oct 04: V.Ivant (stand-V06-02-05)
1436	- Add new model for ion ionization G4BraggIonModel
1437	- Add process and model classes for e+ annihilation to pi+pi-
1438
1439	30 Aug 04: V.Ivant (stand-V06-02-04)
1440	- Remove obsolete process G4IonisationByLogicalVolume and
1441	obsolete interfaces to particle cathegory
1442
1443	20 Aug 04: V.Ivant (stand-V06-02-03)
1444	- Bug fix for e- ionisation in PAI model for small cuts (VG)
1445
1446	13 Aug 04: mma (stand-V06-02-02)
1447	- in all discrete processes make ComputeCrossSection() public and virtual
1448	- suppress icc files
1449
1450	12 Aug 04: V.Ivant (stand-V06-02-01)
1451	- G4ionIonisation - effective charge is taken from util class (VI)
1452	- G4eplusAnnihilation70 introduced (VI)
1453
1454	05 Aug 04: mma
1455	- suppress G4eplusAnnihilation.icc, G4GammaConversionToMuons.icc
1456
1457	29 Jun 04: mma (stand-V06-02-00)
1458	- G4ComptonScattering.cc : improve totalCrossSection parametrization below
1459	15 keV (Laszlo).
1460
1461	07 Jun 04: G.Cosmo (stand-V06-01-03)
1462	- G4PAIxSection.cc: fix in constructor for compilation error in VC++ 6.0
1463	- Moved usage of statics in inline functions to non-inline to allow
1464	porting for DLLs on Windows. Modified files:
1465	G4PAIonisation[.icc.cc], G4SynchrotronRadiation[.hh.cc].
1466
1467	27 May 04: V.Ivant (stand-V06-01-02)
1468	- Set integral regime to be default for G4ionIonisation and G4hIonisation
1469	- Exclude G4PAIwithPhotons and G4InitXscPAI classes previously included
1470	by mistake but still under development ...
1471
1472	27 May 04: V.Ivant (stand-V06-01-01)
1473	- (V.Grichine) Updated and optimise PAI model
1474	- (L.Urban) Minor fix in G4eBremsstrahlung - units properly used
1475
1476	04 May 04: V.Ivant (stand-V06-01-00)
1477	- (V.Grichine) Updated PAI model - use precise integrator,
1478	add photon emission, add G4PAIwithPhotons and G4PAIxSection classes
1479
1480	15 Mar 04: mma (stand-V06-00-04)
1481
1482	10 Mar 04: V.Ivant
1483	- constructor of all discrete processes: name, type
1484
1485	17 Feb 04: V.Ivant (stand-V06-00-03)
1486	- merge the patch and development tag
1487
1488	06 Feb 04: V.Ivant (stand-a-V06-00-00)
1489	- Tag for the patch include:
1490	- Fix in G4PAIModel.cc
1491	- Minor change in G4PAIonisation.cc
1492
1493	03 Feb 04: V.Ivant (stand-V06-00-02)
1494	- Fix in G4PAIModel.cc
1495
1496	30 Jan 04: V.Ivant (stand-V06-00-01)
1497	- Minor change in G4PAIonisation.cc
1498
1499	22 Jan 04: V.Ivant (stand-V06-00-00)
1500	- Migrade to G4ParticleChangeForLoss
1501
1502	11 Nov 03: V.Ivant (stand-V05-02-07)
1503	- Substitute G4VEnergyLossSTD by G4VEnergyLossProcess
1504	- For ions update ionisation
1505
1506	03 Nov 03: V.Ivant (stand-V05-02-06)
1507	- Remove STD processes
1508
1509	24 Oct 03: V.Ivant (stand-V05-02-05)
1510	-Update defults for processes
1511	-Add PAI model (V.Grichine)
1512
1513	4 Oct 03: G.Cosmo (stand-V05-02-04)
1514	- Modified GNUmakefiles:
1515	o added dependency to new module "geometry/navigation".
1516	- Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
1517
1518	20 Sept 03: V.Ivant (stand-V05-02-03)
1519	-Update energy intervals for ionisation models
1520	-Update GNUmakefile
1521
1522	08 August 03: V.Ivant (stand-V05-02-02)
1523	-Substitute standerd by STD, freezing old standard as 52
1524
1525	07 August 03: V.Ivant (stand-V05-02-01)
1526	- Change defaults for STD processes
1527	- Introduce Effective charge to G4ionIonisation
1528
1529	24 July 03: V.Ivant (stand-V05-02-00)
1530	-Update model interface according utils-V05-02-00
1531
1532	25 June 03: G.Cosmo (stand-V05-01-05)
1533	- G4PAIxSection.cc: trivial fixes on arguments to pow() for
1534	porting on .NET 7.1 compiler.
1535
1536	16 June 03: V.Ivant (stand-V05-01-04)
1537	- ShortLived particles are not applicable for G4hIonisation
1538
1539	04 June 03: V.Ivant (stand-V05-01-03)
1540	- Update STD initialisation
1541
1542	26 May 03: V.Ivant (stand-V05-01-02)
1543	-Fix compilation warnings for pedantic compiler options
1544
1545	23 May 03: V.Ivant (stand-V05-01-01)
1546	-Fix initialisation for STD: for integral Bohr fluctuations
1547
1548	15 May 03: V.Ivant (stand-V05-01-00)
1549	- fix in SuprssionFunction in bremsstrahlung STD
1550	- fix in dedx for e- ionisation STD for E<1keV
1551	- set default number 120 bins for dedx table in G4eIonisation
1552	- updated PAI model: include high energy transfers
1553
1554	29 Apr 03: V.Ivant (stand-V05-00-13)
1555	- fix leak in restore tables
1556
1557	26 Apr 03: V.Ivant (stand-V05-00-12)
1558	- fix store/restore tables
1559
1560	11 Apr 03: V.Ivant (stand-V05-00-11)
1561	- fix problem of hadronic tests
1562
1563	11 Apr 03: V.Ivant (stand-V05-00-10)
1564	- fix problem of MFP for PAI
1565
1566	08 Apr 03: V.Ivant (stand-V05-00-09)
1567	- finalRange is region aware
1568
1569	07 Apr 03: V.Ivant (stand-V05-00-08)
1570	- G4VhEnergyLoss, G4hIonisation - fix problem of several runs with
1571	different cuts
1572
1573	25 Mar 03: mma (stand-V05-00-07)
1574	- G4Ve(h)EnergyLoss : add finalRangeRequested
1575
1576	10 mar 03: V.Ivant (stand-V05-00-06)
1577	- use SubType for ions in G4hIonisation
1578	- migrade to "cut per region" for G4PAIonisation
1579
1580	18 feb 03: V.Ivant (stand-V05-00-05)
1581	- fix problems with lambda and range tables for STD hadrons/ions
1582
1583	13 feb 03: V.Ivant
1584	- add names for all models
1585	- make the set of model per region available
1586	- make SubCutoff regime available per region
1587
1588	12 feb 03: G.Cosmo (stand-V05-00-04)
1589	- Replaced call to RandPoisson::shoot() with G4Poisson(), more performant.
1590	Affected files: G4PAIonisation.cc, G4PAIxSection.cc.
1591
1592	05 feb 03: V.Ivant (stand-V05-00-03)
1593	- Fix on warnings at SUN for STD classes
1594	- Add Initialise method to STD classes to calculate PartialSumSigma
1595	- Subsitute Material by MaterialCutsCouple for PostStep STD
1596
1597	04 feb 03: mma
1598	- AnnihiToMuPair.hh and cc : first implementation from Helmut Burkhardt.
1599	Cosmetic simplifications (mma)
1600
1601	24 jan 03: V.Ivant (stand-V05-00-02)
1602	- Migration to "cut per region"
1603
1604	15 jan 03: mma
1605	- PhotoElectricEffect::ElecThetaDistribution : if gamma>5 --> costeta=1
1606
1607	13 jan 03: V.Ivant (stand-V05-00-01)
1608	- Fix problem in cut control in G4PAIonisation.cc
1609
1610	06 jan 03: V.Ivant (stand-V05-00-00)
1611	- Update interfaces to STD classes in order to be ready to migrade
1612	to "cut per region"
1613
1614	04 dec 02: V.Ivant (stand-V04-01-07)
1615	- fix d-electron spectra for STD
1616
1617	20 nov 02: G.Cosmo (stand-V04-01-06)
1618	- G4PAIonisation[.hh.icc.cc]: patched access to public static data.
1619	Added static accessor to be used in the kernel for inline functions
1620	to allow porting on Windows DLLs.
1621
1622	12 nov 02: V.Ivant (stand-V04-01-05)
1623	- eBremsstrahlung::BuiltLossTable: fix of division by 0 (G4int nn)
1624
1625	28 oct 02: V.Ivant (stand-V04-01-04)
1626	- fix compilation warnings for STD classes
1627
1628	17 oct 02: V.Ivant (stand-V04-01-03)
1629	- few changes in all xSTD processes in connection with LossTableBuilder
1630
1631	15 oct 02: V.Ivant (stand-V04-01-02)
1632	- redesign for a Model approach: files processNameSTD and processNameModel
1633
1634	14 oct 02: mma (stand-V04-01-01)
1635	- G4PAIxSection and G4PAIonisation : put back on the HEAD the versions as they
1636	are in Geant4-04-01-ref-03, namely:
1637	G4PAIxSection hh:1.7 cc:1.10
1638	G4PAIonisation hh:1.12 icc:1.10 cc:1.23
1639
1640	G4PAIxSectionTest.cc:1.7 G4PAIdNdxTest.cc:1.1 GNUmakefile:1.1
1641
1642	07 aug 02: mma (stand-V04-01-00)
1643	- GammaConversionToMuons::DoIt : missprint in OR conditions \| instead of \|\|
1644
1645	10 jun 02: mma (stand-V04-00-13)
1646	- bug fixed for stopping hadrons, V.Ivanchenko
1647
1648	04 jun 02: mma (stand-V04-00-12)
1649	- suppress the G4PAIonisation stuff which crash in TestEm8
1650	(back to stand-V04-00-10)
1651
1652	24 may 02: mma (stand-V04-00-11)
1653	- G4PAIonosation: production of delta-electrons > cut
1654	- a bug fixed in G4PAIxSection.cc for GenericIon
1655	- G4PAIxSection : new class members for transverse/longitudinal transfer
1656
1657	06 may 02: mma (stand-V04-00-10)
1658	- compilation error in G4GammaConversionToMuons
1659
1660	29 apr 02: mma (stand-V04-00-09)
1661	- G4PhotoElectric: Generate theta angle of the photoelectron from Sauter-Gravila
1662	distribution
1663
1664	18 apr 02: mma (stand-V04-00-08)
1665	- new process: G4GammaConversionToMuons
1666
1667	18 apr 02: mma (stand-V04-00-07)
1668	- G4ComptonScattering: LowestEnergyLimit=1*keV
1669	- G4PhotoElectric: Keep only Sandia crossSections. Remove BuildPhysicsTables.
1670	Simplify public interface.
1671
1672	27 mar 02: V.Ivanchenko (stand-V04-00-06)
1673	- G4hIonisation: Bug fix in scaling of lambda tabledelta-electrons > cut
1674
1675	26 mar 02: mma (stand-V04-00-05)
1676	- G4eIonisation: change access to cuts in BuildLossTables (V.Ivanchenko)
1677
1678	22 mar 02: V. Grichine (stand-V04-00-04)
1679	- modifications in G4PAIxSection allowing to get additional information on
1680	transverse and longitudinal excitations at atomic frequences.
1681
1682	21 mar 02: mma (stand-V04-00-03)
1683	- G4GammaConversion::DoIt() correction of e+e- angular distribution (bug 363)
1684
1685	27 fev 02: mma (stand-V04-00-02)
1686	- V.Ivanchenko remove the fix for GenericIons in G4VhEnergyLoss, G4hIonisation;
1687
1688	27 fev 02: mma (stand-V04-00-01)
1689	- V.Ivanchenko fix G4VhEnergyLoss, G4hIonisation for GenericIons;
1690	- G4VeEnergyLoss and G4VhEnergyLoss : error in TouchebleHandle - take from
1691	PreStepPoint
1692
1693	10 fev 02: mma (stand-V04-00-00)
1694	- G4VeEnergyLoss and G4VhEnergyLoss : error in SetMindeltaCutInRange,
1695	was set in Energy !
1696
1697	11 jan 02: mma
1698	- gammaConversion::ComputeCrossSection(): correction of extrapolation below
1699	EnergyLimit
1700
1701	10 jan 02: mma
1702	- photoEffect: rearrangement in the inlined functions
1703
1704	12 nov 01: mma (stand-V03-02-14)
1705	- ParticleMass and Charge : local variables
1706	- merge 11a + 13
1707	- some cleanup in G4hEnergyLoss.hh and .cc
1708
1709	29 oct 01: mma (stand-V03-02-13)
1710	- all static functions no more inlined
1711
1712	23 oct 01: mma (stand-V03-02-12)
1713	- cut per material: Ve(h)EnergyLoss, e(h)Ionisation, eBremsstrahlung,
1714	PAIEnergyLoss, PAIonisation, SynchrotronRadiation
1715
1716	08 nov 01: G.Cosmo (stand-V03-02-11a)
1717	- Introduced changes to G4VeEnergyLoss.cc and G4VhEnergyLoss.cc for reference
1718	counted touchables (R.Chytracek). Not included in "stand-V03-02-12" and
1719	"stand-V03-02-13".
1720
1721	23 oct 01: G.Cosmo (stand-V03-02-11)
1722	- Minor fix to G4PAIxSection.cc, added inclusion of G4Material.hh to cope
1723	with latest updates included in materials-V03-02-04.
1724
1725	11 oct 01: mma (stand-V03-02-10)
1726	- activate buildDEDXTable() in G4hIonisation::retrievePhysicsTable()
1727
1728	11 oct 01: G.Cosmo (stand-V03-02-09)
1729	- G4VPAIenergyLoss.hh: removed redundant inclusion of RW wrapper header.
1730
1731	01 oct 01: mma (stand-V03-02-08)
1732	- Phot,Comp,Conv,Annil: come back to BuildPhysicsTable(particleDefinition)
1733	invoked from the process manager
1734
1735	28 sep 01: mma (stand-V03-02-07)
1736	- StorePhysicsTable(): ParticleName included in fileName.
1737	Completion of Store/Retrieve functions
1738
1739	21 sep 01: mma (stand-V03-02-06)
1740	- DoIt: fminimalEnergy = 1*eV in phot,comp,conv,anni
1741
1742	19 sep 01: mma (stand-V03-02-05)
1743	- come back to the previous ProcessNames
1744
1745	17 sep 01: mma (stand-V03-02-04)
1746	- modifs in almost all classes for the migration of Materials to pure STL,
1747	but backward compatible with g4rw
1748
1749	13 sep 01: L.Urban (stand-V03-02-03)
1750	-G4VxEnergyLoss: min.delta cut is set as rcut/100 + some optimisation
1751
1752	11 sep 01: L.Urban (stand-V03-02-02)
1753	- G4VhEnergyLoss+G4VeEnergyLoss: bugfix in subcutoff delta generation
1754
1755	29 aug 01: mma (stand-V03-02-01)
1756	- G4hIonisation::PostStepDoIt grecj term for spin 1/2 (not 1)
1757
1758	13 aug 01: mma
1759	- G4eIonisation: new function ComputeRestrictedMeandEdx()
1760	- G4hIonisation: new function ComputeRestrictedMeandEdx() + 'cleanup'
1761
1762	10 aug 01: mma
1763	- store/retrieve PhysicsTables implemented in photelec, compton, gamaconv,
1764	annihil, eIonisa, eBrems, mulscat, hIonisa
1765
1766	17 jul 01: mma (stand-V03-02-00)
1767	- suppression of the production threshold in phot,compt,conv,annih
1768
1769	11 jul 01: mma
1770	- GammaConversion::PostStepDoIt : sample epsil->power (rndm,0.333333)
1771
1772	29 may 01: V.Ivanchenko
1773	- clean up againist Linux ANSI strict compilation mode.
1774
1775	27 mar 01 mma (stand-V03-00-05)
1776	- commented out the printing of subcutoff energies at initialization
1777
1778	05 mar 01 mma (stand-V03-00-04)
1779	- new subdirectory: integral
1780	migration of all G4I.. processes from muons, standard, utils into integral
1781
1782	22 feb 01: mma (stand-V03-00-03)
1783	- G4PhotoElectricEffect. DoIt: removed protection against low energy gamma,
1784	after correction in SandiaTable (materials-V03-00-05)
1785	- G4EplusAnnihilation. PostStepDoIt: check with fStopButAlive instead of
1786	energy == 0.
1787
1788	05 feb 01: G.Cosmo (stand-V03-00-02)
1789	- Migration to STL for G4DataVector and G4OrderedTable.
1790	Modified files: G4SynchrotronRadiation.hh, G4IeBremsstrahlung.cc,
1791	G4eBremsstrahlung.cc.
1792
1793	23 jan 01: mma (stand-V03-00-01)
1794	- corrections in e/hEnergyLoss.cc: AlongStepDoIt L.Urban 23-01-01
1795	PostStep information is not used any more in AlongStepDoIt
1796	when generating sub-cutoff delta rays. (bug found by Babar)
1797
1798	16 jan 01: mma (stand-V03-00-00)
1799	- small corrections in e/hEnergyLoss.cc L.Urban 11-01-01
1800	to ensure consistency between cut in range and step limitation
1801	due to energy loss (finalRange data member <-> cut in range)
1802	- change in energy loss computation in eBrems.hh and .cc L.Urban 11-01-01
1803	parametrization of energy loss due to soft brems has been corrected,
1804	it was too big for big cut values.
1805
1806	17 Nov 00 mma : stand-V02-00-04
1807
1808	12 Nov 00 Corrections by Rui Curado da Silva (Polarized Compton)
1809	- Sampling of Phi
1810	- Depolarization probability
1811
1812	08 Nov 00 mma (stand-V02-00-03)
1813	- eBrem
1814	07/08/00 new cross section/en.loss parametrisation, LPM flag , L.Urban
1815	21/09/00 corrections in the LPM implementation, L.Urban
1816	- 30/10/00 signature in GetLossWithFluct changed L.Urban
1817
1818	01 Nov 00 G.Cosmo (stand-V02-00-02)
1819	- Removed useless dependencies from GNUmakefile.
1820	- G4SynchrotronRadiation: added "const" qualifier to usage of
1821	const G4Field*. Co-works with tag "field-V02-00-00" and related ones
1822	from geometry.
1823
1824	11 Aug 00 mma
1825	tag stand-V02-00-01
1826
1827	10 Aug 00 V.Ivanchenko
1828	- Change G4VhEnergyLoss.cc, G4VhEnergyLoss.hh, G4hIonisation.cc
1829	in order to simulate energy losses of ions; correction to
1830	cross section for particles with spin 1 is inserted as well.
1831	Class G4ionIonisation is removed.
1832
1833	03 Aug 00 Gabriele Cosmo
1834	- Fixes for events' reproducibility:
1835	o G4GammaConversion.cc: changed usage of RandFlat::shootBit() to
1836	RandBit::shootBit().
1837	o G4VIeEnergyLoss.cc, G4VIhEnergyLoss.cc, G4PAIxSectionTest.cc:
1838	changed RandGauss to G4RandGauss.
1839
1840	31 Jul 00 Gonzalo Gracia
1841	- G4IhIonisation.cc: initialisisation to zero of several G4PhysicsTable*
1842	is included in constructor. Some tests were crashing
1843	on NT because of the missing initialisation
1844
1845	18 jul 00: V.Ivanchenko (stand-V01-??)
1846	- fix in G4VhEnergyLoss and G4ionIonisation in AlongStepDoIt
1847	for particles with Charge^2 > 1; Reorganisation in
1848	GetConstrain for G4ionIonisation
1849
1850	22 jun 00: mma (stand-V01-01-05)
1851	- stop very low energy photons in photo electric effect
1852	- ElossMessenger moved --> G4VEnergyLoss
1853
1854	13 jun 00: mma (stand-V01-01-04)
1855	- static pointer MinDeltaEnergy removed from destructor of
1856	G4VeEnergyLoss and G4VhEnergyLoss
1857
1858	07 jun 00: mma (stand-V01-01-03)
1859	- virtual destructor for G4VEnergyLoss
1860
1861	24 may 00: mma (stand-V01-01-02)
1862	- merge 'Plus' processes into standard
1863	- minCut=10 KeV for brems
1864	- corrections in ionisation (Laszlo)
1865
1866
1867	27 apr 00 mma (em-V01-01-01)
1868	- G4endl (dec/iso)
1869
1870	26 apr 00 mma (em-V01-01-00)
1871	- all EnergyLoss classes renamed G4V...
1872	Most classes in standard and muons affected.
1873	- G4Muls moved in utils
1874	- bugs fixe in MuPairProduction
1875	- cowork with geant4-01-01-ref-02
1876
1877	02 mar 00 mma (em-V01-00-00)
1878	- new G4VEnergyLoss class and related structure
1879	- cowork with geant4-01-00-ref-06
1880
1881	10 nov 99 mma (em-V00-01-03)
1882	- migration to STL: remove RWT hash dictionnary
1883
1884	14th June 1999 John Allison (em-01-00-05b)
1885	- Muon corrections in G4MultipleScattering.cc, G4MuBremsstrahlung.cc
1886	and G4MuPairProduction.cc by Laszlo Urban, Pedro Arce.
1887	(Also in rocesses/photoleplon_hadron/src/G4MuNuclearInteraction.cc.)
1888
1889	5th June 1999 John Allison
1890	- standard/GNUmakefile: Force non-optimised compliation of some
1891	files on HP with aCC: HP ANSI C++ B3910B A.01.15.
1892
1893	May 29, 1999: John Allison
1894	- Added electromagnetic/lowenergy to GNUmakefile and
1895	electromagnetic/GNUmakefile..

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