| 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 | 1 Dec 2009 Dennis Wright (hadr-casc-V09-02-11) |
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| 18 | ---------------------------------------------- |
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| 19 | - G4PionSampler, G4NucleonSampler: change loop variable in ctor from i to j |
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| 20 | in order to satisfy Windows compiler |
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| 21 | |
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| 22 | 11 Nov 2009 Dennis Wright (hadr-casc-V09-02-10) |
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| 23 | ----------------------------------------------- |
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| 24 | - G4CascadParticle, G4InuclElementaryParticle: add integer argument to ctor |
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| 25 | to indicate which generation cascade particle belongs to. |
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| 26 | Also change G4NucleiModel and G4BertiniNucleiModel to use this. |
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| 27 | |
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| 28 | 8 Oct 2009 Dennis Wright (hadr-casc-V09-02-09) |
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| 29 | ----------------------------------------------- |
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| 30 | - G4PionSampler: use charge exchange cross section for pi0-p, go back |
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| 31 | original Bertini pi0-p elastic partial cs. Update pi0 total cross |
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| 32 | section accordingly. Improve fits to pi-p partial cs and update |
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| 33 | pi- total cross sections. |
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| 34 | - G4NucleiModel: update pi- and pi0 total cross sections |
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| 35 | |
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| 36 | 24 Sep 2009 Dennis Wright (hadr-casc-V09-02-08) |
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| 37 | ----------------------------------------------- |
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| 38 | - add class G4NucleonSampler which replaces old pp, pn, and nn partial and |
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| 39 | total cross sections also modify other classes which use them |
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| 40 | - move large arrays which are instantiated at every call of frequently |
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| 41 | used methods. They are now initialized once in constructors. |
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| 42 | - G4CascadSpecialFunctions: put copy of total cross section method |
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| 43 | in G4NucleiModel, also remove unneeded energy scale arrays |
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| 44 | (now replaced with a new one) |
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| 45 | - G4CascadeInterface: move instantiation of various collider classes |
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| 46 | outside of loop, and put on stack instead of heap |
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| 47 | - G4ElementaryParticleCollider: re-design to use G4NucleonSampler and |
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| 48 | remove instantiation of large arrays from within loops in code |
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| 49 | - G4NucleiModel: remove instatiation of large arrays from with loops, |
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| 50 | add new total cross section sampling, remove use of all but one |
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| 51 | energy scale |
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| 52 | |
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| 53 | 17 Sep 2009 Dennis Wright (hadr-casc-V09-02-07) |
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| 54 | ----------------------------------------------- |
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| 55 | - G4PionSampler: remove large static arrays |
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| 56 | - G4FinalStateSampler: remove static array pointer to G4 particle types |
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| 57 | - G4ElementaryParticleCollider: clean up |
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| 58 | |
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| 59 | 4 Sep 2009 Dennis Wright (hadr-casc-V09-02-06) |
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| 60 | ---------------------------------------------- |
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| 61 | - add assignment operator to class G4CollisionOutput |
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| 62 | |
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| 63 | 31 Aug 2009 Dennis Wright (hadr-casc-V09-02-05) |
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| 64 | ----------------------------------------------- |
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| 65 | - add class G4FinalStateSampler which was accidentally omitted from |
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| 66 | the previous tag |
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| 67 | |
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| 68 | 25 Aug 2009 Dennis Wright (hadr-casc-V09-02-04) |
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| 69 | ----------------------------------------------- |
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| 70 | - correct bug in particle ordering in G4PionSampler |
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| 71 | - clean up dead code in G4NucleiModel and G4ElementaryParticleCollider |
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| 72 | |
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| 73 | 20 Aug 2009 Dennis Wright (hadr-casc-V09-02-03) |
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| 74 | ----------------------------------------------- |
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| 75 | - create class G4PionSampler: samples partial cross sections, multiplicities |
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| 76 | and final state particle types required for pi+, pi- and pi0 scattering |
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| 77 | within a nucleus. This class uses re-evaluated pion partial cross sections |
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| 78 | and includes production of strange particle pairs. |
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| 79 | - G4CascadeSigmaPlusNChannel: correct sigma plus cross sections |
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| 80 | - G4CascadSpecialFunctions: move pion, kaon, hyperon total cross sections |
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| 81 | to this class |
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| 82 | - G4ElementaryParticleCollider: re-write to use G4PionSampler class for |
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| 83 | cross sections and multiplicities, remove method reChargering (now redundant) |
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| 84 | |
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| 85 | 15 Apr 2009 Dennis Wright (hadr-casc-V09-02-02) |
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| 86 | ----------------------------------------------- |
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| 87 | - previous tag no longer used. Bring hadr-casc-V09-02-00 back to |
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| 88 | HEAD and re-tag |
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| 89 | |
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| 90 | 21 Feb 2009 Dennis Wright (hadr-casc-V09-02-01) |
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| 91 | ----------------------------------------------- |
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| 92 | - add printCrossSection method to G4CascadSpecialFunctions |
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| 93 | - in GeElementaryParticleCollider, add high energy flag to distinguish |
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| 94 | "string-like" behavior |
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| 95 | - G4IntraNucleiCascader.cc - allow secondaries from HE interaction to |
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| 96 | leave nucleus without interacting |
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| 97 | - G4NucleiModel - get high_energy_interaction flag value from G4ElementaryParticleCollider |
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| 98 | |
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| 99 | 11 Feb 2009 V.Ivanchenko (hadr-casc-V09-02-00) |
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| 100 | ----------------------------------------------- |
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| 101 | - set absorption coefficient 1.0 instead of 0.2 inside |
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| 102 | G4CascadSpecialFunctions (D.Wright) |
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| 103 | |
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| 104 | 25 Nov 2008 Dennis Wright (hadr-casc-V09-01-10) |
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| 105 | ----------------------------------------------- |
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| 106 | - fix multiplicity sampling in G4ElementaryParticleCollider::generateMultiplicity(). |
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| 107 | Now partial cross sections are normalized to the total cross section instead |
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| 108 | of just the sum of 2-body to 6-body final state cross sections. Also fix |
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| 109 | 2-body cross sections above 7 GeV where they were too small. |
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| 110 | Fix the same cross sections which appear in G4CascadSpecialFunctions.cc |
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| 111 | |
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| 112 | 21 Nov 2008 Dennis Wright (hadr-casc-V09-01-09) |
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| 113 | ----------------------------------------------- |
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| 114 | - add some comments to cross section tables in G4CascadSpecialFunctions.cc |
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| 115 | and G4ElementaryParticleCollider.cc |
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| 116 | |
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| 117 | 24 Oct 2008 Dennis Wright (hadr-casc-V09-01-08) |
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| 118 | ----------------------------------------------- |
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| 119 | - replace GetAtomicMass() with GetNuclearMass() in cascade/G4InuclEvaporation |
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| 120 | and evaporation/G4BertiniEvaporation |
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| 121 | - V. Ivantchenko added name to G4CascadeInterface ("Bertini Cascade") |
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| 122 | |
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| 123 | 17 Oct 2008 Dennis Wright (hadr-casc-V09-01-07) |
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| 124 | ----------------------------------------------- |
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| 125 | - added Coulomb barrier plus barrier penetration in G4IntraNucleiCascader.cc |
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| 126 | |
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| 127 | 27 Sep 2008 Dennis Wright (hadr-casc-V09-01-06) |
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| 128 | ----------------------------------------------- |
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| 129 | - Fixed 4.3 compiler warnings for G4InuclElementaryParticle.hh by providing |
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| 130 | initializers for particle type and mass |
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| 131 | - Remove unused variables totscm, totlab in G4BigBanger.cc, |
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| 132 | G4ElementaryParticleCollider.cc, and unused mom1 from G4InuclSpecialFunctions.cc |
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| 133 | |
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| 134 | 22 Sep 2008 Gabriele Cosmo (hadr-casc-V09-01-05) |
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| 135 | ------------------------------------------------ |
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| 136 | - Introduced simple wrapper class G4CascadeMomentum meant to replace usage |
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| 137 | of std::vector<double> in the cascade code, to reduce memory allocations. |
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| 138 | Courtesy of P.Elmer (princeton Univ.). |
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| 139 | - Modified cascade code to make use of G4CascadeMomentum. |
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| 140 | |
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| 141 | 3 Sep 2008 Dennis Wright (hadr-casc-V09-01-04) |
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| 142 | ----------------------------------------------- |
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| 143 | - G4ElementaryParticleCollider.cc: in method generateMultiplicity, remove |
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| 144 | large_cut which increases multiplicity from 3 to 4 abruptly at 4 GeV |
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| 145 | and above. This caused a sharp drop-off in the single pion spectra from |
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| 146 | pH reactions. The effect in heavier nuclei is small. |
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| 147 | |
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| 148 | 29 Jun 2008 Dennis Wright (hadr-casc-V09-01-03) |
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| 149 | ----------------------------------------------- |
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| 150 | - add changes made by M. Paterno, J. Kowalkowski, and M. Fischler (FNAL) |
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| 151 | to speed up code. All G4Cascade***Channel classes and related code changed. |
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| 152 | |
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| 153 | 5 May 2008 Dennis Wright (hadr-casc-V09-01-02) |
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| 154 | ----------------------------------------------- |
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| 155 | - retag hadr-casc-V09-csbug as hadr-casc-V09-01-02 |
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| 156 | |
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| 157 | 30 Apr 2008 Dennis Wright (hadr-casc-V09-csbug) |
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| 158 | ----------------------------------------------- |
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| 159 | - fix cross section bug in G4CascadSpecialFunctions that returned |
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| 160 | low or zero total cross sections for pi-p, pi+n, np, and pi0 |
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| 161 | interactions |
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| 162 | |
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| 163 | 29 Apr 2008 Dennis Wright (hadr-casc-V09-01-01) |
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| 164 | ----------------------------------------------- |
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| 165 | - bring tag hadr-casc-V09-01-coula to HEAD, make official tag |
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| 166 | |
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| 167 | 22 Apr 2008 Dennis Wright (hadr-casc-V09-01-param) |
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| 168 | -------------------------------------------------- |
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| 169 | - changed pp, nn total cross section parameterization in |
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| 170 | G4CascadSpecialFunctions to more closely reflect the PDG values (old one |
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| 171 | was off by as much as a factor of 3. |
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| 172 | |
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| 173 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coula) |
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| 174 | ------------------------------------------------- |
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| 175 | - removed Coulomb barrier from G4IntraNucleiCascader.cc (causes unphysical spike) |
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| 176 | |
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| 177 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coul) |
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| 178 | ------------------------------------------------ |
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| 179 | - Added Coulomb barrier in G4EquilibriumEvaporator.cc, G4IntraNucleiCascader.cc |
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| 180 | |
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| 181 | 17 Nov 2007 Dennis Wright (hadr-casc-V09-00-02) |
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| 182 | ----------------------------------------------- |
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| 183 | - Fix angular distribution for nucleon-nucleon elastic scattering |
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| 184 | above 2.8 GeV, by modifying G4ElementaryParticleCollider::getElasticCase |
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| 185 | |
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| 186 | 25 May 2007 Dennis Wright for Aatos Heikkinen (hadr-casc-V08-03-00) |
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| 187 | ------------------------------------------------------------------- |
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| 188 | - implemented interfaces for pre-equilibrium and equilbrium evaporation |
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| 189 | models |
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| 190 | |
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| 191 | 04 May 2007 Aatos Heikkinen (hadr-casc-V08-02-00) |
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| 192 | ------------------------------------------------- |
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| 193 | |
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| 194 | - Added protection in G4ElementaryParticleCollider against negative |
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| 195 | value to sqrt(). |
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| 196 | |
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| 197 | 08 May 2006 Dennis Wright (hadr-casc-V08-00-00) |
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| 198 | ----------------------------------------------- |
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| 199 | |
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| 200 | - cascade: remove G4BERTINI_KAON conditional assembly flags. Files |
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| 201 | affected: |
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| 202 | G4ElementaryParticleCollider.hh, cc |
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| 203 | G4InuclElementaryParticle.hh |
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| 204 | G4NucleiModel.hh, cc |
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| 205 | G4CascadeInterface.cc |
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| 206 | G4IntraNucleiCascader.cc |
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| 207 | |
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| 208 | - cascade (Pekka Kaitaniemi): G4ElasticCascadeInterface: derive |
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| 209 | from G4VIntraNuclearTransportModel instead of G4HadronElastic. |
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| 210 | Check for case when no elastic scattering occurs. If so, |
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| 211 | return original bullet and target. |
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| 212 | |
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| 213 | 24 Nov 2005 Dennis Wright (hadr-casc-V07-01-00) |
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| 214 | ---------------------------------------------- |
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| 215 | |
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| 216 | - cascade (bertini-V07-01-00 by Aatos Heikkinen) |
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| 217 | elastic scattering interface added: |
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| 218 | G4ElasticCascadeInterface.hh, .cc added |
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| 219 | G4CascadeInterface.hh modified |
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| 220 | |
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