------------------------------------------------------------------- ================================================== Geant4 - an Object-Oriented Toolkit for Simulation ================================================== History file for Low Energy Parameterized Models ------------------------------------------------ This file should be used to summarize modifications introduced in the code and to keep track of all tags. --------------------------------------------------------------- * Please list in reverse chronological order (last date on top) --------------------------------------------------------------- 02 March 2009 - D. Wright for V.Grichine (hadr-cohe-V09-02-00) -------------------------------------------------------------- Model precise sampling and 'on the fly' table preparation in G4DiffuseElastic.hh, .cc 27 November 2008 - V.Ivanchenko (hadr-cohe-V09-01-08) ---------------------------------------------------- G4ChargeExchangeProcess - added high and low energy protections into cross section 20 November 2008 - V.Ivanchenko (hadr-cohe-V09-01-07) ---------------------------------------------------- G4ChargeExchangeProcess and G4ChargeExchange model prepaed to be used in Physics Lists; energy threshold is set to 1.0 MeV 22 August 2008 - V.Ivanchenko (hadr-cohe-V09-01-06) ---------------------------------------------------- - set process sub-types according to enumerator for G4UHadronElasticProcess and for G4ChargeExchangeProcess 05 August 2008 - V.Ivanchenko (hadr-cohe-V09-01-05) ---------------------------------------------------- G4HadronElastic - added protection inside LElastic model against rare unphysical values of sampled t 08 Jul 2008 - D.H. Wright (hadr-cohe-V09-01-04) ------------------------------------------------ - set process sub-type to 11 for G4UHadronElasticProcess and 16 for G4ChargeExchangeProcess 19 May 2008 - V.Ivanchenko (hadr-cohe-V09-01-03) ------------------------------------------------ G4HadronElastic - added counts of abnornal sampling results and cout at the destructor of the class G4UHadronElasticProcess and G4ChargeExchangeProcess - added call to BuildPhysicsTable of the base class G4HadronicProcess 10 Apr 2008 - V.Ivanchenko (hadr-cohe-V09-01-02) ------------------------------------------------ G4HadronElastic - added extra protection against precision lost when projectile almostly lost kinetic energy; set lowestEnergyLimit=1.e-6*eV (was 0.0) 29 Jan 2008 - V.Ivanchenko (hadr-cohe-V09-01-01) ------------------------------------------------- G4UHadronElasticProcess - call to G4QElasticCrossSection with option "false", so parameters for sampling of scattering are precalculated G4HadronElastic - added extra protection - if sampled t out of the physics range then no scattering 16 Jan 2008 - V.Ivanchenko (hadr-cohe-V09-01-00) ------------------------------------------------ G4DiffuseElastic - remove dependence on other elastic models G4ElasticHadrNucleusHE - fixed non-reproducibility, removed commented part of old code; add more formatting G4HadronElastic - return back threshold to G4ElasticHadrNucleusHE model 1 GeV 10 Dec 2007 - V.Ivanchenko (hadr-cohe-V09-00-07) ------------------------------------------------ G4HadronElastic - set threshold to G4ElasticHadrNucleusHE model DBL_MAX 15 Nov 2007 - V.Ivanchenko (hadr-cohe-V09-00-06) ------------------------------------------------ G4UHadronElasticProcess - introduced "ifdef VERBOSE" for verbosity checks inside methods called at each step 14 Nov 2007 - V.Ivanchenko (hadr-cohe-V09-00-04) ------------------------------------------------ G4DiffuseElastic - add control on verbosity at initialisation 13 Nov 2007 - V.Ivanchenko (hadr-cohe-V09-00-03) ------------------------------------------------ G4ElasticHadrNucleusHE - (N.Starkov) updated: - the difference in scattering off protons and neutrons is included; - optized computation of the distribution function (important for heavy targets); - fixed model for scattering off hydrogen; - tunned model parameters for better description of total and elastic cross sections 06 Nov 2007 - V.Ivanchenko (hadr-cohe-V09-00-02) ------------------------------------------------ G4DiffuseElastic - (V.Grichine) initialisation of the model for each new target nucleus on-fly 05 Nov 2007 - V.Ivanchenko (hadr-cohe-V09-00-01) ------------------------------------------------ G4DiffuseElastic - (V.Grichine) initialisation of the model in constructor with particle definition for the vector of available elements; tuning at high energies. 17 Oct 2007 - V.Ivanchenko (hadr-cohe-V09-00-00) ------------------------------------------------ G4LEnp - removed erroneous code for identity exchange of particles ( F.W. Jones) G4DiffuseElastic - added Coulomb elastic scattering amplitude using Wentzel model (V. Grichine) 14 June 2007 - V.Ivanchenko (hadr-cohe-V08-03-07) ------------------------------------------------ G4UHadronElasticProcess - use "true" flag colling CHIPS to compute cross section 14 June 2007 - V.Ivanchenko (hadr-cohe-V08-03-06) ----------------------------------------------- G4ElasticHadrNucleusHE - fixed compilation nuclear parameters for heavy nucleus G4DiffuseElastic - new class 31 May 2007 - V.Ivanchenko (hadr-cohe-V08-03-05) ----------------------------------------------- G4ElasticHadrNucleusHE - fixed compilation problem at Windows use only double values inside std::pow 31 May 2007 - V.Ivanchenko (hadr-cohe-V08-03-04) ----------------------------------------------- G4ElasticHadrNucleusHE - fixed compilation problem at SUN move static const out of switch 25 May 2007 - D.H. Wright (hadr-cohe-V08-03-03) ----------------------------------------------- add model names to constructors in G4LEnp, G4LEpp, G4ChargeExchange.cc, G4HadronElastic, and G4ElasticHadrNucleusHE 24 May 2007 - V.Ivanchenko (hadr-cohe-V08-03-02) ----------------------------------------------- G4ElasticHadrNucleusHE - optimised computation of tables G4HadronElastic - use HElastic only for mesons 15 May 2007 - V.Ivanchenko (hadr-cohe-V08-03-01) ----------------------------------------------- G4HadronElastic - use QElasticCrossSection for p, n incident for any energy and any target; use HElastic for the rest 15 May 2007 - V.Ivanchenko (hadr-cohe-V08-03-00) ----------------------------------------------- G4ElasticHadrNucleusHE - general cleanup and redesign of private methods 5 May 2007 - V.Ivanchenko (hadr-cohe-V08-02-06) ----------------------------------------------- G4HadronElastic - do not use HE model for hydrogen target to avoid NaN; use QElasticCrossSection for p, n incident for any energy only for p, He targets 4 May 2007 - V.Ivanchenko (hadr-cohe-V08-02-05) ----------------------------------------------- G4HadronElastic - do not use HE model for hydrogen target to avoid NaN; use QElasticCrossSection for p, n incident for any energy 2 May 2007 - V.Ivanchenko (hadr-cohe-V08-02-04) ----------------------------------------------- G4ElasticHadrNucleusHE - scale sampled t as ptot^2 G4HadronElastic - use QElasticCrossSection for p, n < GeV and G4ElasticHadrNucleusHE model above still use QElasticCrossSEction for H and He targets 2 Apr 2007 - V.Ivanchenko (hadr-cohe-V08-02-03) ----------------------------------------------- G4ElasticHadrNucleusHE - use iterator search on bin instead of computing log G4HadronElastic - use the most probable isotope for given Z to call to HE model (CPU/memory more efficient) 30 Jan 2007 - V.Ivanchenko (hadr-cohe-V08-02-02) ------------------------------------------------ G4UHadronElasticProcess - fix bug in number of neutrons in CHIPS interface G4HadronElastic, G4ChargeExchange - more accuratelly compute Z and A 30 Jan 2007 - V.Ivanchenko (hadr-cohe-V08-02-01) ------------------------------------------------ G4UHadronElasticProcess, G4ChargeExchangeProcess - fix problem for the case, when isotope vector is not defined 23 Jan 2007 - V.Ivanchenko (hadr-cohe-V08-02-00) ------------------------------------------------ G4UHadronElasticProcess - migrade to interface to cross section with Z and A G4ChargeExchangeProcess - migrade to interface to cross section with Z and A do not use QElastic total cross sections 23 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-12) ------------------------------------------------ G4ElasticHadrNucleusHE - remove unused variables; - set ONQ0=3 (instead of 5) as it was in the tag 05 in order to have better CPU performance - cleanup comments 22 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-11) ------------------------------------------------ G4HadronElastic: set DBL_MAX low limit for the HE model 21 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-10) ------------------------------------------------ Cleanup of G4ElasticHadrNucleusHE 18 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-09) ------------------------------------------------ N.Starkov: Fix problem of 17 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-08) ------------------------------------------------ N.Starkov: Fix problem of initialization of tables, Fix problem of CPU overhead 17 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-07) ------------------------------------------------ N.Starkov: Code optimization is perfomed 16 Nov 2006 - V.Ivanchenko (hadr-cohe-V08-01-06) ------------------------------------------------ G4HadronElastic - set threshold 0.4 GeV for HE model (VI) G4ElasticHadrNucleusHE - add corrections allowing to work down to 0.4 GeV (N.Starkov) 24 Oct 2006 - V.Ivanchenko (hadr-cohe-V08-01-05) ------------------------------------------------ Set lowestEnergy=0 for neutral particles, =eV for changed (VI) G4HadronElastic - set threshold 1 GeV for G4ElasticHadrNucleusHE model (VI) G4ElasticHadrNucleusHE - complete review and update of the class, data tables are computed on-flight, G4ELASTICDATA are not used anymore, the model is applicable for all nuclei, except deuteron, triton, He3, and A>238 (N.Starkov) 26 Sept 2006 - V.Ivanchenko (hadr-cohe-V08-01-04) ------------------------------------------------- Introduce extra protection - below lowestEnergy (10-6 eV) not active 10 August 2006 - V.Ivanchenko (hadr-cohe-V08-01-03) --------------------------------------------------- Introduce NaN check inside G4HadronElastic, G4ChargeExchange, and G4UHadronElasticProcess; 24 July 2006 - V.Ivanchenko (hadr-cohe-V08-01-02) ----------------------------------------------- Remove HP data from G4UHadronElasticProcess (it is set in physics lists) Add low energy threshold for QElastic 20 MeV inside G4HadronElastic 13 July 2006 - V.Ivanchenko (hadr-cohe-V08-01-01) ----------------------------------------------- Fix bug: remove 1 keV limit from G4UHadronElasticProcess 07 July 2006 - V.Ivanchenko (hadr-cohe-V08-01-00) ----------------------------------------------- Fix bug: the rotation of final state need to be done in PostStep of the process, not on the model level (V.Ivanchenko) 21 June 2006 - V.Ivanchenko (hadr-cohe-V08-00-09) ----------------------------------------------- Fix - remove nan values n scattering on deuteron (V.Ivanchenko) 17 June 2006 - V.Ivanchenko (ghad-cohe-V08-00-08) ----------------------------------------------- Use sampling of final state for n, p scattering on deuteron and alpha from LElastic (V.Ivanchenko) 7 June 2006 - V.Ivanchenko (ghad-cohe-V08-00-07) ----------------------------------------------- Fix complilation warnings at WINDOWS (V.Ivanchenko) 2 June 2006 - V.Ivanchenko (ghad-cohe-V08-00-06) ----------------------------------------------- Fix complilation warnings at SUN (V.Ivanchenko) 1 June 2006 - V.Ivanchenko (ghad-cohe-V08-00-05) ----------------------------------------------- Add regime of HElastic which is not using data files (N.Starkov) Cleanup (V.Ivanchenko) 30 May 2006 - V.Ivanchenko (ghad-cohe-V08-00-04) ----------------------------------------------- Add ChargeExchangeProcess, cleanup G4HadronElastic 2 May 2006 - V.Ivanchenko (ghad-cohe-V08-00-03) ----------------------------------------------- Rename G4LElasticB -> G4HadronElastic 25 April 2006 - V.Ivanchenko (ghad-cohe-V08-00-02) ------------------------------------------------- G4UHadronElasticProcess and G4LElasticB: use np scattering from CHIPS, fix run time warnings Rename G4LElasticB by G4HadronElastic 24 April 2006 - V.Ivanchenko (ghad-cohe-V08-00-01) ------------------------------------------------- G4UHadronElasticProcess - new process allows to use G4Isotopes composition of elements defined by user and uses cross sections from CHIPS and HP models when appropriate 13 April 2006 - V.Ivanchenko (ghad-cohe-V08-00-00) ------------------------------------------------- G4LElasticB - moved from low_energy; bug fixes - remove charge exchange option, remove low limit on primary momentum; add limit on secondary kinetic energy; add only s-wave regime for low momentum scattering GNUmakfile - introduce dependence on chips 28 Nov 2005 - G. Cosmo (hadr-cohe-V07-01-05) --------------------------------------------- Migrated to from G4ElasticHadrNucleusHE. 25 Nov 2005 - D. Wright (hadr-cohe-V07-01-04) --------------------------------------------- From Solaris testing: line 83 of G4DiffElasticHadrScattering.hh: multiple declaration of variable c1. Fixed. 25 Nov 2005 - D. Wright (hadr-cohe-V07-01-03) --------------------------------------------- Add detailed comments of N. Starkov from previous tags to History file: G4DiffElasticHadrNucleus.hh, .cc : add high energy elastic scattering on protons add new method HadronProtonDiffCrSec G4ElasticHadrNucleusHE.hh, .cc : add high energy elastic scattering on protons G4HadronValues.hh, .cc : use PDG value instead of static particle pointers From V. Ivantchenko: fixed memory leaks 4-momentum balance fixed, tested OK fixed compiler warnings 25 Nov 2005 - V.Ivanchenko (ghad-cohe-V07-01-03) ------------------------------------------------ Integration of recent development of the subpackage Remove of the G4Rutherford for the time being