| 1 | -------------------------------------------------------------------
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| 2 |
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| 3 | ==========================================================
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| 4 | Geant4 - an Object-Oriented Toolkit for Physics Simulation
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| 5 | ==========================================================
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| 6 |
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| 7 | History file for hadronic/models/cascade
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| 8 | ----------------------------------------
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| 9 |
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| 10 | This file should be used to summarize modifications introduced in the
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| 11 | code and to keep track of all tags.
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| 12 |
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| 13 | ---------------------------------------------------------------
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| 14 | * Please list in reverse chronological order (last date on top)
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| 15 | ---------------------------------------------------------------
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| 16 |
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| 17 | 15 Apr 2009 Dennis Wright (hadr-casc-V09-02-02)
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| 18 | -----------------------------------------------
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| 19 | - previous tag no longer used. Bring hadr-casc-V09-02-00 back to
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| 20 | HEAD and re-tag
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| 21 |
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| 22 | 21 Feb 2009 Dennis Wright (hadr-casc-V09-02-01)
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| 23 | -----------------------------------------------
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| 24 | - add printCrossSection method to G4CascadSpecialFunctions
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| 25 | - in GeElementaryParticleCollider, add high energy flag to distinguish
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| 26 | "string-like" behavior
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| 27 | - G4IntraNucleiCascader.cc - allow secondaries from HE interaction to
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| 28 | leave nucleus without interacting
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| 29 | - G4NucleiModel - get high_energy_interaction flag value from G4ElementaryParticleCollider
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| 30 |
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| 31 | 11 Feb 2009 V.Ivanchenko (hadr-casc-V09-02-00)
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| 32 | -----------------------------------------------
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| 33 | - set absorption coefficient 1.0 instead of 0.2 inside
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| 34 | G4CascadSpecialFunctions (D.Wright)
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| 35 |
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| 36 | 25 Nov 2008 Dennis Wright (hadr-casc-V09-01-10)
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| 37 | -----------------------------------------------
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| 38 | - fix multiplicity sampling in G4ElementaryParticleCollider::generateMultiplicity().
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| 39 | Now partial cross sections are normalized to the total cross section instead
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| 40 | of just the sum of 2-body to 6-body final state cross sections. Also fix
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| 41 | 2-body cross sections above 7 GeV where they were too small.
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| 42 | Fix the same cross sections which appear in G4CascadSpecialFunctions.cc
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| 43 |
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| 44 | 21 Nov 2008 Dennis Wright (hadr-casc-V09-01-09)
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| 45 | -----------------------------------------------
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| 46 | - add some comments to cross section tables in G4CascadSpecialFunctions.cc
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| 47 | and G4ElementaryParticleCollider.cc
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| 48 |
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| 49 | 24 Oct 2008 Dennis Wright (hadr-casc-V09-01-08)
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| 50 | -----------------------------------------------
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| 51 | - replace GetAtomicMass() with GetNuclearMass() in cascade/G4InuclEvaporation
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| 52 | and evaporation/G4BertiniEvaporation
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| 53 | - V. Ivantchenko added name to G4CascadeInterface ("Bertini Cascade")
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| 54 |
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| 55 | 17 Oct 2008 Dennis Wright (hadr-casc-V09-01-07)
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| 56 | -----------------------------------------------
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| 57 | - added Coulomb barrier plus barrier penetration in G4IntraNucleiCascader.cc
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| 58 |
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| 59 | 27 Sep 2008 Dennis Wright (hadr-casc-V09-01-06)
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| 60 | -----------------------------------------------
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| 61 | - Fixed 4.3 compiler warnings for G4InuclElementaryParticle.hh by providing
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| 62 | initializers for particle type and mass
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| 63 | - Remove unused variables totscm, totlab in G4BigBanger.cc,
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| 64 | G4ElementaryParticleCollider.cc, and unused mom1 from G4InuclSpecialFunctions.cc
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| 65 |
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| 66 | 22 Sep 2008 Gabriele Cosmo (hadr-casc-V09-01-05)
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| 67 | ------------------------------------------------
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| 68 | - Introduced simple wrapper class G4CascadeMomentum meant to replace usage
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| 69 | of std::vector<double> in the cascade code, to reduce memory allocations.
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| 70 | Courtesy of P.Elmer (princeton Univ.).
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| 71 | - Modified cascade code to make use of G4CascadeMomentum.
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| 72 |
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| 73 | 3 Sep 2008 Dennis Wright (hadr-casc-V09-01-04)
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| 74 | -----------------------------------------------
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| 75 | - G4ElementaryParticleCollider.cc: in method generateMultiplicity, remove
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| 76 | large_cut which increases multiplicity from 3 to 4 abruptly at 4 GeV
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| 77 | and above. This caused a sharp drop-off in the single pion spectra from
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| 78 | pH reactions. The effect in heavier nuclei is small.
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| 79 |
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| 80 | 29 Jun 2008 Dennis Wright (hadr-casc-V09-01-03)
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| 81 | -----------------------------------------------
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| 82 | - add changes made by M. Paterno, J. Kowalkowski, and M. Fischler (FNAL)
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| 83 | to speed up code. All G4Cascade***Channel classes and related code changed.
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| 84 |
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| 85 | 5 May 2008 Dennis Wright (hadr-casc-V09-01-02)
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| 86 | -----------------------------------------------
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| 87 | - retag hadr-casc-V09-csbug as hadr-casc-V09-01-02
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| 88 |
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| 89 | 30 Apr 2008 Dennis Wright (hadr-casc-V09-csbug)
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| 90 | -----------------------------------------------
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| 91 | - fix cross section bug in G4CascadSpecialFunctions that returned
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| 92 | low or zero total cross sections for pi-p, pi+n, np, and pi0
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| 93 | interactions
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| 94 |
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| 95 | 29 Apr 2008 Dennis Wright (hadr-casc-V09-01-01)
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| 96 | -----------------------------------------------
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| 97 | - bring tag hadr-casc-V09-01-coula to HEAD, make official tag
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| 98 |
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| 99 | 22 Apr 2008 Dennis Wright (hadr-casc-V09-01-param)
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| 100 | --------------------------------------------------
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| 101 | - changed pp, nn total cross section parameterization in
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| 102 | G4CascadSpecialFunctions to more closely reflect the PDG values (old one
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| 103 | was off by as much as a factor of 3.
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| 104 |
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| 105 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coula)
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| 106 | -------------------------------------------------
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| 107 | - removed Coulomb barrier from G4IntraNucleiCascader.cc (causes unphysical spike)
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| 108 |
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| 109 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coul)
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| 110 | ------------------------------------------------
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| 111 | - Added Coulomb barrier in G4EquilibriumEvaporator.cc, G4IntraNucleiCascader.cc
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| 112 |
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| 113 | 17 Nov 2007 Dennis Wright (hadr-casc-V09-00-02)
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| 114 | -----------------------------------------------
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| 115 | - Fix angular distribution for nucleon-nucleon elastic scattering
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| 116 | above 2.8 GeV, by modifying G4ElementaryParticleCollider::getElasticCase
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| 117 |
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| 118 | 25 May 2007 Dennis Wright for Aatos Heikkinen (hadr-casc-V08-03-00)
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| 119 | -------------------------------------------------------------------
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| 120 | - implemented interfaces for pre-equilibrium and equilbrium evaporation
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| 121 | models
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| 122 |
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| 123 | 04 May 2007 Aatos Heikkinen (hadr-casc-V08-02-00)
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| 124 | -------------------------------------------------
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| 125 |
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| 126 | - Added protection in G4ElementaryParticleCollider against negative
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| 127 | value to sqrt().
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| 128 |
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| 129 | 08 May 2006 Dennis Wright (hadr-casc-V08-00-00)
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| 130 | -----------------------------------------------
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| 131 |
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| 132 | - cascade: remove G4BERTINI_KAON conditional assembly flags. Files
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| 133 | affected:
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| 134 | G4ElementaryParticleCollider.hh, cc
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| 135 | G4InuclElementaryParticle.hh
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| 136 | G4NucleiModel.hh, cc
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| 137 | G4CascadeInterface.cc
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| 138 | G4IntraNucleiCascader.cc
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| 139 |
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| 140 | - cascade (Pekka Kaitaniemi): G4ElasticCascadeInterface: derive
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| 141 | from G4VIntraNuclearTransportModel instead of G4HadronElastic.
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| 142 | Check for case when no elastic scattering occurs. If so,
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| 143 | return original bullet and target.
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| 144 |
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| 145 | 24 Nov 2005 Dennis Wright (hadr-casc-V07-01-00)
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| 146 | ----------------------------------------------
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| 147 |
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| 148 | - cascade (bertini-V07-01-00 by Aatos Heikkinen)
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| 149 | elastic scattering interface added:
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| 150 | G4ElasticCascadeInterface.hh, .cc added
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| 151 | G4CascadeInterface.hh modified
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| 152 |
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