Gabriele Cosmo
134 lines
5.7 KiB
Plaintext
134 lines
5.7 KiB
Plaintext
-------------------------------------------------------------------
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==========================================================
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Geant4 - an Object-Oriented Toolkit for Physics Simulation
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==========================================================
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History file for hadronic/models/cascade
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----------------------------------------
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This file should be used to summarize modifications introduced in the
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code and to keep track of all tags.
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---------------------------------------------------------------
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* Please list in reverse chronological order (last date on top)
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---------------------------------------------------------------
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25 Nov 2008 Dennis Wright (hadr-casc-V09-01-10)
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-----------------------------------------------
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- fix multiplicity sampling in G4ElementaryParticleCollider::generateMultiplicity().
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Now partial cross sections are normalized to the total cross section instead
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of just the sum of 2-body to 6-body final state cross sections. Also fix
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2-body cross sections above 7 GeV where they were too small.
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Fix the same cross sections which appear in G4CascadSpecialFunctions.cc
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21 Nov 2008 Dennis Wright (hadr-casc-V09-01-09)
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-----------------------------------------------
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- add some comments to cross section tables in G4CascadSpecialFunctions.cc
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and G4ElementaryParticleCollider.cc
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24 Oct 2008 Dennis Wright (hadr-casc-V09-01-08)
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-----------------------------------------------
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- replace GetAtomicMass() with GetNuclearMass() in cascade/G4InuclEvaporation
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and evaporation/G4BertiniEvaporation
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- V. Ivantchenko added name to G4CascadeInterface ("Bertini Cascade")
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17 Oct 2008 Dennis Wright (hadr-casc-V09-01-07)
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-----------------------------------------------
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- added Coulomb barrier plus barrier penetration in G4IntraNucleiCascader.cc
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27 Sep 2008 Dennis Wright (hadr-casc-V09-01-06)
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-----------------------------------------------
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- Fixed 4.3 compiler warnings for G4InuclElementaryParticle.hh by providing
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initializers for particle type and mass
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- Remove unused variables totscm, totlab in G4BigBanger.cc,
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G4ElementaryParticleCollider.cc, and unused mom1 from G4InuclSpecialFunctions.cc
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22 Sep 2008 Gabriele Cosmo (hadr-casc-V09-01-05)
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------------------------------------------------
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- Introduced simple wrapper class G4CascadeMomentum meant to replace usage
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of std::vector<double> in the cascade code, to reduce memory allocations.
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Courtesy of P.Elmer (princeton Univ.).
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- Modified cascade code to make use of G4CascadeMomentum.
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3 Sep 2008 Dennis Wright (hadr-casc-V09-01-04)
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-----------------------------------------------
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- G4ElementaryParticleCollider.cc: in method generateMultiplicity, remove
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large_cut which increases multiplicity from 3 to 4 abruptly at 4 GeV
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and above. This caused a sharp drop-off in the single pion spectra from
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pH reactions. The effect in heavier nuclei is small.
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29 Jun 2008 Dennis Wright (hadr-casc-V09-01-03)
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- add changes made by M. Paterno, J. Kowalkowski, and M. Fischler (FNAL)
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to speed up code. All G4Cascade***Channel classes and related code changed.
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5 May 2008 Dennis Wright (hadr-casc-V09-01-02)
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- retag hadr-casc-V09-csbug as hadr-casc-V09-01-02
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30 Apr 2008 Dennis Wright (hadr-casc-V09-csbug)
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-----------------------------------------------
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- fix cross section bug in G4CascadSpecialFunctions that returned
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low or zero total cross sections for pi-p, pi+n, np, and pi0
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interactions
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29 Apr 2008 Dennis Wright (hadr-casc-V09-01-01)
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- bring tag hadr-casc-V09-01-coula to HEAD, make official tag
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22 Apr 2008 Dennis Wright (hadr-casc-V09-01-param)
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--------------------------------------------------
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- changed pp, nn total cross section parameterization in
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G4CascadSpecialFunctions to more closely reflect the PDG values (old one
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was off by as much as a factor of 3.
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3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coula)
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-------------------------------------------------
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- removed Coulomb barrier from G4IntraNucleiCascader.cc (causes unphysical spike)
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3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coul)
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------------------------------------------------
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- Added Coulomb barrier in G4EquilibriumEvaporator.cc, G4IntraNucleiCascader.cc
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17 Nov 2007 Dennis Wright (hadr-casc-V09-00-02)
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-----------------------------------------------
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- Fix angular distribution for nucleon-nucleon elastic scattering
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above 2.8 GeV, by modifying G4ElementaryParticleCollider::getElasticCase
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25 May 2007 Dennis Wright for Aatos Heikkinen (hadr-casc-V08-03-00)
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-------------------------------------------------------------------
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- implemented interfaces for pre-equilibrium and equilbrium evaporation
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models
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04 May 2007 Aatos Heikkinen (hadr-casc-V08-02-00)
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-------------------------------------------------
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- Added protection in G4ElementaryParticleCollider against negative
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value to sqrt().
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08 May 2006 Dennis Wright (hadr-casc-V08-00-00)
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-----------------------------------------------
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- cascade: remove G4BERTINI_KAON conditional assembly flags. Files
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affected:
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G4ElementaryParticleCollider.hh, cc
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G4InuclElementaryParticle.hh
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G4NucleiModel.hh, cc
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G4CascadeInterface.cc
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G4IntraNucleiCascader.cc
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- cascade (Pekka Kaitaniemi): G4ElasticCascadeInterface: derive
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from G4VIntraNuclearTransportModel instead of G4HadronElastic.
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Check for case when no elastic scattering occurs. If so,
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return original bullet and target.
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24 Nov 2005 Dennis Wright (hadr-casc-V07-01-00)
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----------------------------------------------
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- cascade (bertini-V07-01-00 by Aatos Heikkinen)
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elastic scattering interface added:
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G4ElasticCascadeInterface.hh, .cc added
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G4CascadeInterface.hh modified
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