source: trunk/source/processes/hadronic/models/parton_string/diffraction/include/G4FTFParameters.hh@ 1330

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4// * *
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24// ********************************************************************
25//
26#ifndef G4FTFParameters_h
27#define G4FTFParameters_h 1
28//
29// $Id: G4FTFParameters.hh,v 1.7 2009/10/25 10:50:54 vuzhinsk Exp $
30// GEANT4 tag $Name: geant4-09-03 $
31//
32#include "G4Proton.hh"
33class G4FTFParameters
34{
35
36 public:
37 G4FTFParameters(const G4ParticleDefinition * , G4double theA,
38 G4double theZ,
39 G4double s);
40
41 ~G4FTFParameters();
42
43// --------- Set geometrical parameteres -----------------------------
44 void SethNcmsEnergy(const G4double s);
45 void SetTotalCrossSection(const G4double Xtotal);
46 void SetElastisCrossSection(const G4double Xelastic);
47 void SetInelasticCrossSection(const G4double Xinelastic);
48 void SetProbabilityOfElasticScatt(const G4double Xtotal, const G4double Xelastic);
49 void SetProbabilityOfElasticScatt(const G4double aValue);
50
51 void SetRadiusOfHNinteractions2(const G4double Radius2);
52 void SetSlope(const G4double Slope);
53 void SetGamma0(const G4double Gamma0);
54
55 G4double GammaElastic(const G4double impactsquare)
56 {return (FTFGamma0 * std::exp(-FTFSlope * impactsquare));};
57
58// --------- Set parameters of elastic scattering --------------------
59 void SetAvaragePt2ofElasticScattering(const G4double aPt2);
60
61// --------- Set parameters of excitations ---------------------------
62 void SetMagQuarkExchange(const G4double aValue);
63 void SetSlopeQuarkExchange(const G4double aValue);
64 void SetDeltaProbAtQuarkExchange(const G4double aValue);
65
66 void SetProjMinDiffMass(const G4double aValue);
67 void SetProjMinNonDiffMass(const G4double aValue);
68 void SetProbabilityOfProjDiff(const G4double aValue);
69
70 void SetTarMinDiffMass(const G4double aValue);
71 void SetTarMinNonDiffMass(const G4double aValue);
72 void SetProbabilityOfTarDiff(const G4double aValue);
73
74 void SetAveragePt2(const G4double aValue);
75
76// --------- Set parameters of a string kink --------------------------------
77 void SetPt2Kink(const G4double aValue);
78 void SetQuarkProbabilitiesAtGluonSplitUp(const G4double Puubar,
79 const G4double Pddbar,
80 const G4double Pssbar );
81
82// --------- Set parameters of nuclear destruction--------------------
83 void SetCofNuclearDestruction(const G4double aValue);
84 void SetR2ofNuclearDestruction(const G4double aValue);
85
86 void SetExcitationEnergyPerWoundedNucleon(const G4double aValue);
87
88 void SetDofNuclearDestruction(const G4double aValue);
89 void SetPt2ofNuclearDestruction(const G4double aValue);
90 void SetMaxPt2ofNuclearDestruction(const G4double aValue);
91
92//--------------------------------------------------------------------
93// --------- Get geometrical parameteres -----------------------------
94 G4double GetTotalCrossSection();
95 G4double GetElasticCrossSection();
96 G4double GetInelasticCrossSection();
97 G4double GetProbabilityOfElasticScatt();
98
99 G4double GetSlope();
100
101 G4double GetProbabilityOfInteraction(const G4double impactsquare);
102 G4double GetInelasticProbability(const G4double impactsquare);
103
104// --------- Get parameters of elastic scattering --------------------
105 G4double GetAvaragePt2ofElasticScattering();
106
107// --------- Get parameters of excitations ---------------------------
108 G4double GetMagQuarkExchange();
109 G4double GetSlopeQuarkExchange();
110 G4double GetDeltaProbAtQuarkExchange();
111
112 G4double GetProjMinDiffMass();
113 G4double GetProjMinNonDiffMass();
114 G4double GetProbabilityOfProjDiff();
115
116 G4double GetTarMinDiffMass();
117 G4double GetTarMinNonDiffMass();
118 G4double GetProbabilityOfTarDiff();
119
120 G4double GetAveragePt2();
121
122// --------- Get parameters of a string kink --------------------------------
123 G4double GetPt2Kink();
124 std::vector<G4double> GetQuarkProbabilitiesAtGluonSplitUp();
125
126// --------- Get parameters of nuclear destruction---------------------
127 G4double GetCofNuclearDestruction();
128 G4double GetR2ofNuclearDestruction();
129
130 G4double GetExcitationEnergyPerWoundedNucleon();
131
132 G4double GetDofNuclearDestruction();
133 G4double GetPt2ofNuclearDestruction();
134 G4double GetMaxPt2ofNuclearDestruction();
135
136// private:
137
138 G4FTFParameters();
139
140// ------------ Initial energy of hN interactions --------------------
141 G4double FTFhNcmsEnergy; // Initial hN CMS energy
142
143// ------------ Geometrical parameteres ------------------------------
144 G4double FTFXtotal; // Total X in mb
145 G4double FTFXelastic; // Elastic X in mb
146 G4double FTFXinelastic; // Inelastic X in mb
147 G4double ProbabilityOfElasticScatt; // Xel/Xtot
148 G4double RadiusOfHNinteractions2; // Xtot/pi, in fn^2
149 G4double FTFSlope; // in fm^-1
150 G4double AvaragePt2ofElasticScattering; // in MeV^2
151 G4double FTFGamma0;
152
153// --------- Parameters of excitations -------------------------------
154 G4double MagQuarkExchange;
155 G4double SlopeQuarkExchange;
156 G4double DeltaProbAtQuarkExchange;
157
158 G4double ProjMinDiffMass;
159 G4double ProjMinNonDiffMass;
160 G4double ProbabilityOfProjDiff;
161
162 G4double TarMinDiffMass;
163 G4double TarMinNonDiffMass;
164 G4double ProbabilityOfTarDiff;
165
166 G4double AveragePt2;
167
168// ---------- Parameters of kink -------------------------------------
169 G4double Pt2kink;
170 std::vector<G4double> QuarkProbabilitiesAtGluonSplitUp;
171
172// --------- Parameters of nuclear destruction------------------------
173 G4double CofNuclearDestruction; // Cnd of nuclear destruction
174 G4double R2ofNuclearDestruction; // R2nd
175
176 G4double ExcitationEnergyPerWoundedNucleon;
177
178 G4double DofNuclearDestruction; // D for momentum sampling
179 G4double Pt2ofNuclearDestruction; // Pt2
180 G4double MaxPt2ofNuclearDestruction; // Max Pt2
181
182};
183
184// --------------------------------------------------------------------
185inline void G4FTFParameters::SethNcmsEnergy(const G4double s)
186 {FTFhNcmsEnergy = s;}
187
188// --------- Set geometrical parameteres ------------------------------
189inline void G4FTFParameters::SetTotalCrossSection(const G4double Xtotal)
190 {FTFXtotal = Xtotal;}
191
192inline void G4FTFParameters::SetElastisCrossSection(const G4double Xelastic)
193 {FTFXelastic = Xelastic;}
194
195inline void G4FTFParameters::SetInelasticCrossSection(const G4double Xinelastic)
196 {FTFXinelastic = Xinelastic;}
197
198inline void G4FTFParameters::SetProbabilityOfElasticScatt(const G4double Xtotal,
199 const G4double Xelastic)
200 {
201 if(Xtotal==0.) {ProbabilityOfElasticScatt = 0.;}
202 else {ProbabilityOfElasticScatt = Xelastic/Xtotal;};
203 }
204
205inline void G4FTFParameters::SetProbabilityOfElasticScatt(const G4double aValue)
206 {ProbabilityOfElasticScatt = aValue;}
207
208inline void G4FTFParameters::SetRadiusOfHNinteractions2(const G4double Radius2)
209 {RadiusOfHNinteractions2 = Radius2;}
210
211inline void G4FTFParameters::SetSlope(const G4double Slope)
212 {FTFSlope = 12.84/Slope;} // Slope is in GeV^-2, FTFSlope in fm^-2
213
214inline void G4FTFParameters::SetGamma0(const G4double Gamma0)
215 {FTFGamma0 = Gamma0;}
216
217// --------- Set parameters of elastic scattering ---------------------
218inline void G4FTFParameters::SetAvaragePt2ofElasticScattering(const G4double aPt2)
219 {
220AvaragePt2ofElasticScattering = aPt2;}
221
222// --------- Set parameters of excitations ----------------------------
223inline void G4FTFParameters::SetMagQuarkExchange(const G4double aValue)
224 {MagQuarkExchange = aValue;}
225inline void G4FTFParameters::SetSlopeQuarkExchange(const G4double aValue)
226 {SlopeQuarkExchange = aValue;}
227inline void G4FTFParameters::SetDeltaProbAtQuarkExchange(const G4double aValue)
228 {DeltaProbAtQuarkExchange = aValue;}
229
230inline void G4FTFParameters::SetProjMinDiffMass(const G4double aValue)
231 {ProjMinDiffMass = aValue*GeV;}
232inline void G4FTFParameters::SetProjMinNonDiffMass(const G4double aValue)
233 {ProjMinNonDiffMass = aValue*GeV;}
234inline void G4FTFParameters::SetProbabilityOfProjDiff(const G4double aValue)
235 {ProbabilityOfProjDiff = aValue;}
236
237inline void G4FTFParameters::SetTarMinDiffMass(const G4double aValue)
238 {TarMinDiffMass = aValue*GeV;}
239inline void G4FTFParameters::SetTarMinNonDiffMass(const G4double aValue)
240 {TarMinNonDiffMass = aValue*GeV;}
241inline void G4FTFParameters::SetProbabilityOfTarDiff(const G4double aValue)
242 {ProbabilityOfTarDiff = aValue;}
243
244inline void G4FTFParameters::SetAveragePt2(const G4double aValue)
245 {AveragePt2 = aValue*GeV*GeV;}
246
247// --------- Set parameters of a string kink --------------------------------
248inline void G4FTFParameters::SetPt2Kink(const G4double aValue)
249 {Pt2kink = aValue;}
250
251inline void G4FTFParameters::SetQuarkProbabilitiesAtGluonSplitUp(
252 const G4double Puubar,
253 const G4double Pddbar,
254 const G4double Pssbar )
255 {
256 QuarkProbabilitiesAtGluonSplitUp.push_back(Puubar);
257 QuarkProbabilitiesAtGluonSplitUp.push_back(Puubar+Pddbar);
258 QuarkProbabilitiesAtGluonSplitUp.push_back(Puubar+Pddbar+Pssbar);
259 }
260
261// --------- Set parameters of nuclear destruction--------------------
262inline void G4FTFParameters::SetCofNuclearDestruction(const G4double aValue)
263 {CofNuclearDestruction = aValue;}
264inline void G4FTFParameters::SetR2ofNuclearDestruction(const G4double aValue)
265 {R2ofNuclearDestruction = aValue;}
266
267inline void G4FTFParameters::SetExcitationEnergyPerWoundedNucleon(const G4double aValue)
268 {ExcitationEnergyPerWoundedNucleon = aValue;}
269
270inline void G4FTFParameters::SetDofNuclearDestruction(const G4double aValue)
271 {DofNuclearDestruction = aValue;}
272inline void G4FTFParameters::SetPt2ofNuclearDestruction(const G4double aValue)
273 {Pt2ofNuclearDestruction =aValue;}
274inline void G4FTFParameters::SetMaxPt2ofNuclearDestruction(const G4double aValue)
275 {MaxPt2ofNuclearDestruction = aValue;}
276
277// --------- Get geometrical parameteres ------------------------------
278inline G4double G4FTFParameters::GetTotalCrossSection() {return FTFXtotal;}
279inline G4double G4FTFParameters::GetElasticCrossSection() {return FTFXelastic;}
280inline G4double G4FTFParameters::GetInelasticCrossSection() {return FTFXinelastic;}
281
282inline G4double G4FTFParameters::GetSlope() {return FTFSlope;}
283
284inline G4double G4FTFParameters::GetProbabilityOfInteraction(const G4double impactsquare)
285 {
286 if(RadiusOfHNinteractions2 > impactsquare) {return 1.;}
287 else {return 0.;}
288 }
289
290inline G4double G4FTFParameters::GetProbabilityOfElasticScatt()
291 {return ProbabilityOfElasticScatt;}
292
293inline G4double G4FTFParameters::GetInelasticProbability( const G4double impactsquare)
294 {
295 G4double Gamma = GammaElastic(impactsquare);
296 return 2 * Gamma - Gamma *Gamma;
297 }
298
299// --------- Get parameters of elastic scattering ---------------------
300inline G4double G4FTFParameters::GetAvaragePt2ofElasticScattering()
301 {return AvaragePt2ofElasticScattering;}
302
303// --------- Get parameters of excitations ---------------------------
304inline G4double G4FTFParameters::GetMagQuarkExchange() {return MagQuarkExchange;}
305inline G4double G4FTFParameters::GetSlopeQuarkExchange() {return SlopeQuarkExchange;}
306inline G4double G4FTFParameters::GetDeltaProbAtQuarkExchange()
307 {return DeltaProbAtQuarkExchange;}
308
309
310inline G4double G4FTFParameters::GetProjMinDiffMass() {return ProjMinDiffMass;}
311inline G4double G4FTFParameters::GetProjMinNonDiffMass() {return ProjMinNonDiffMass;}
312inline G4double G4FTFParameters::GetProbabilityOfProjDiff() {return ProbabilityOfProjDiff;}
313
314inline G4double G4FTFParameters::GetTarMinDiffMass() {return TarMinDiffMass;}
315inline G4double G4FTFParameters::GetTarMinNonDiffMass() {return TarMinNonDiffMass;}
316inline G4double G4FTFParameters::GetProbabilityOfTarDiff() {return ProbabilityOfTarDiff;}
317
318inline G4double G4FTFParameters::GetAveragePt2() {return AveragePt2;}
319
320// --------- Get parameters of a string kink --------------------------
321inline G4double G4FTFParameters::GetPt2Kink() {return Pt2kink;}
322inline std::vector<G4double>
323 G4FTFParameters::GetQuarkProbabilitiesAtGluonSplitUp()
324 {return QuarkProbabilitiesAtGluonSplitUp;}
325
326// --------- Get parameters of nuclear destruction---------------------
327inline G4double G4FTFParameters::GetCofNuclearDestruction(){return CofNuclearDestruction;}
328inline G4double G4FTFParameters::GetR2ofNuclearDestruction(){return R2ofNuclearDestruction;}
329
330inline G4double G4FTFParameters::GetExcitationEnergyPerWoundedNucleon()
331 {return ExcitationEnergyPerWoundedNucleon;}
332
333
334inline G4double G4FTFParameters::GetDofNuclearDestruction()
335 {return DofNuclearDestruction;}
336inline G4double G4FTFParameters::GetPt2ofNuclearDestruction(){return Pt2ofNuclearDestruction;}
337inline G4double G4FTFParameters::GetMaxPt2ofNuclearDestruction()
338 {return MaxPt2ofNuclearDestruction;}
339#endif
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