| [819] | 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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| [1196] | 17 | 11 Nov 2009 Dennis Wright (hadr-casc-V09-02-10)
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| 18 | -----------------------------------------------
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| 19 | - G4CascadParticle, G4InuclElementaryParticle: add integer argument to ctor
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| 20 | to indicate which generation cascade particle belongs to.
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| 21 | Also change G4NucleiModel and G4BertiniNucleiModel to use this.
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| 22 |
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| 23 | 8 Oct 2009 Dennis Wright (hadr-casc-V09-02-09)
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| 24 | -----------------------------------------------
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| 25 | - G4PionSampler: use charge exchange cross section for pi0-p, go back
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| 26 | original Bertini pi0-p elastic partial cs. Update pi0 total cross
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| 27 | section accordingly. Improve fits to pi-p partial cs and update
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| 28 | pi- total cross sections.
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| 29 | - G4NucleiModel: update pi- and pi0 total cross sections
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| 30 |
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| 31 | 24 Sep 2009 Dennis Wright (hadr-casc-V09-02-08)
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| 32 | -----------------------------------------------
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| 33 | - add class G4NucleonSampler which replaces old pp, pn, and nn partial and
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| 34 | total cross sections also modify other classes which use them
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| 35 | - move large arrays which are instantiated at every call of frequently
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| 36 | used methods. They are now initialized once in constructors.
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| 37 | - G4CascadSpecialFunctions: put copy of total cross section method
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| 38 | in G4NucleiModel, also remove unneeded energy scale arrays
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| 39 | (now replaced with a new one)
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| 40 | - G4CascadeInterface: move instantiation of various collider classes
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| 41 | outside of loop, and put on stack instead of heap
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| 42 | - G4ElementaryParticleCollider: re-design to use G4NucleonSampler and
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| 43 | remove instantiation of large arrays from within loops in code
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| 44 | - G4NucleiModel: remove instatiation of large arrays from with loops,
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| 45 | add new total cross section sampling, remove use of all but one
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| 46 | energy scale
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| 47 |
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| 48 | 17 Sep 2009 Dennis Wright (hadr-casc-V09-02-07)
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| 49 | -----------------------------------------------
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| 50 | - G4PionSampler: remove large static arrays
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| 51 | - G4FinalStateSampler: remove static array pointer to G4 particle types
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| 52 | - G4ElementaryParticleCollider: clean up
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| 53 |
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| 54 | 4 Sep 2009 Dennis Wright (hadr-casc-V09-02-06)
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| 55 | ----------------------------------------------
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| 56 | - add assignment operator to class G4CollisionOutput
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| 57 |
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| 58 | 31 Aug 2009 Dennis Wright (hadr-casc-V09-02-05)
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| 59 | -----------------------------------------------
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| 60 | - add class G4FinalStateSampler which was accidentally omitted from
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| 61 | the previous tag
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| 62 |
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| 63 | 25 Aug 2009 Dennis Wright (hadr-casc-V09-02-04)
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| 64 | -----------------------------------------------
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| 65 | - correct bug in particle ordering in G4PionSampler
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| 66 | - clean up dead code in G4NucleiModel and G4ElementaryParticleCollider
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| 67 |
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| 68 | 20 Aug 2009 Dennis Wright (hadr-casc-V09-02-03)
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| 69 | -----------------------------------------------
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| 70 | - create class G4PionSampler: samples partial cross sections, multiplicities
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| 71 | and final state particle types required for pi+, pi- and pi0 scattering
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| 72 | within a nucleus. This class uses re-evaluated pion partial cross sections
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| 73 | and includes production of strange particle pairs.
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| 74 | - G4CascadeSigmaPlusNChannel: correct sigma plus cross sections
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| 75 | - G4CascadSpecialFunctions: move pion, kaon, hyperon total cross sections
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| 76 | to this class
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| 77 | - G4ElementaryParticleCollider: re-write to use G4PionSampler class for
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| 78 | cross sections and multiplicities, remove method reChargering (now redundant)
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| 79 |
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| [1055] | 80 | 15 Apr 2009 Dennis Wright (hadr-casc-V09-02-02)
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| 81 | -----------------------------------------------
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| 82 | - previous tag no longer used. Bring hadr-casc-V09-02-00 back to
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| 83 | HEAD and re-tag
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| 84 |
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| 85 | 21 Feb 2009 Dennis Wright (hadr-casc-V09-02-01)
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| 86 | -----------------------------------------------
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| 87 | - add printCrossSection method to G4CascadSpecialFunctions
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| 88 | - in GeElementaryParticleCollider, add high energy flag to distinguish
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| 89 | "string-like" behavior
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| 90 | - G4IntraNucleiCascader.cc - allow secondaries from HE interaction to
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| 91 | leave nucleus without interacting
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| 92 | - G4NucleiModel - get high_energy_interaction flag value from G4ElementaryParticleCollider
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| 93 |
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| 94 | 11 Feb 2009 V.Ivanchenko (hadr-casc-V09-02-00)
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| 95 | -----------------------------------------------
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| 96 | - set absorption coefficient 1.0 instead of 0.2 inside
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| 97 | G4CascadSpecialFunctions (D.Wright)
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| 98 |
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| [962] | 99 | 25 Nov 2008 Dennis Wright (hadr-casc-V09-01-10)
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| 100 | -----------------------------------------------
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| 101 | - fix multiplicity sampling in G4ElementaryParticleCollider::generateMultiplicity().
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| 102 | Now partial cross sections are normalized to the total cross section instead
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| 103 | of just the sum of 2-body to 6-body final state cross sections. Also fix
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| 104 | 2-body cross sections above 7 GeV where they were too small.
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| 105 | Fix the same cross sections which appear in G4CascadSpecialFunctions.cc
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| 106 |
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| 107 | 21 Nov 2008 Dennis Wright (hadr-casc-V09-01-09)
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| 108 | -----------------------------------------------
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| 109 | - add some comments to cross section tables in G4CascadSpecialFunctions.cc
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| 110 | and G4ElementaryParticleCollider.cc
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| 111 |
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| 112 | 24 Oct 2008 Dennis Wright (hadr-casc-V09-01-08)
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| 113 | -----------------------------------------------
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| 114 | - replace GetAtomicMass() with GetNuclearMass() in cascade/G4InuclEvaporation
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| 115 | and evaporation/G4BertiniEvaporation
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| 116 | - V. Ivantchenko added name to G4CascadeInterface ("Bertini Cascade")
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| 117 |
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| 118 | 17 Oct 2008 Dennis Wright (hadr-casc-V09-01-07)
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| 119 | -----------------------------------------------
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| 120 | - added Coulomb barrier plus barrier penetration in G4IntraNucleiCascader.cc
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| 121 |
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| 122 | 27 Sep 2008 Dennis Wright (hadr-casc-V09-01-06)
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| 123 | -----------------------------------------------
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| 124 | - Fixed 4.3 compiler warnings for G4InuclElementaryParticle.hh by providing
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| 125 | initializers for particle type and mass
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| 126 | - Remove unused variables totscm, totlab in G4BigBanger.cc,
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| 127 | G4ElementaryParticleCollider.cc, and unused mom1 from G4InuclSpecialFunctions.cc
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| 128 |
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| 129 | 22 Sep 2008 Gabriele Cosmo (hadr-casc-V09-01-05)
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| 130 | ------------------------------------------------
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| 131 | - Introduced simple wrapper class G4CascadeMomentum meant to replace usage
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| 132 | of std::vector<double> in the cascade code, to reduce memory allocations.
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| 133 | Courtesy of P.Elmer (princeton Univ.).
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| 134 | - Modified cascade code to make use of G4CascadeMomentum.
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| 135 |
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| 136 | 3 Sep 2008 Dennis Wright (hadr-casc-V09-01-04)
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| 137 | -----------------------------------------------
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| 138 | - G4ElementaryParticleCollider.cc: in method generateMultiplicity, remove
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| 139 | large_cut which increases multiplicity from 3 to 4 abruptly at 4 GeV
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| 140 | and above. This caused a sharp drop-off in the single pion spectra from
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| 141 | pH reactions. The effect in heavier nuclei is small.
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| 142 |
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| 143 | 29 Jun 2008 Dennis Wright (hadr-casc-V09-01-03)
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| 144 | -----------------------------------------------
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| 145 | - add changes made by M. Paterno, J. Kowalkowski, and M. Fischler (FNAL)
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| 146 | to speed up code. All G4Cascade***Channel classes and related code changed.
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| 147 |
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| 148 | 5 May 2008 Dennis Wright (hadr-casc-V09-01-02)
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| 149 | -----------------------------------------------
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| 150 | - retag hadr-casc-V09-csbug as hadr-casc-V09-01-02
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| 151 |
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| 152 | 30 Apr 2008 Dennis Wright (hadr-casc-V09-csbug)
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| 153 | -----------------------------------------------
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| [819] | 154 | - fix cross section bug in G4CascadSpecialFunctions that returned
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| 155 | low or zero total cross sections for pi-p, pi+n, np, and pi0
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| 156 | interactions
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| 157 |
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| [962] | 158 | 29 Apr 2008 Dennis Wright (hadr-casc-V09-01-01)
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| [819] | 159 | -----------------------------------------------
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| [962] | 160 | - bring tag hadr-casc-V09-01-coula to HEAD, make official tag
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| 161 |
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| 162 | 22 Apr 2008 Dennis Wright (hadr-casc-V09-01-param)
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| 163 | --------------------------------------------------
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| [819] | 164 | - changed pp, nn total cross section parameterization in
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| 165 | G4CascadSpecialFunctions to more closely reflect the PDG values (old one
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| 166 | was off by as much as a factor of 3.
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| 167 |
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| 168 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coula)
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| 169 | -------------------------------------------------
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| 170 | - removed Coulomb barrier from G4IntraNucleiCascader.cc (causes unphysical spike)
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| 171 |
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| 172 | 3 Apr 2008 Dennis Wright (hadr-casc-V09-01-coul)
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| 173 | ------------------------------------------------
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| 174 | - Added Coulomb barrier in G4EquilibriumEvaporator.cc, G4IntraNucleiCascader.cc
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| 175 |
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| 176 | 17 Nov 2007 Dennis Wright (hadr-casc-V09-00-02)
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| 177 | -----------------------------------------------
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| 178 | - Fix angular distribution for nucleon-nucleon elastic scattering
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| 179 | above 2.8 GeV, by modifying G4ElementaryParticleCollider::getElasticCase
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| 180 |
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| 181 | 25 May 2007 Dennis Wright for Aatos Heikkinen (hadr-casc-V08-03-00)
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| 182 | -------------------------------------------------------------------
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| 183 | - implemented interfaces for pre-equilibrium and equilbrium evaporation
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| 184 | models
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| 185 |
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| 186 | 04 May 2007 Aatos Heikkinen (hadr-casc-V08-02-00)
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| 187 | -------------------------------------------------
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| 188 |
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| 189 | - Added protection in G4ElementaryParticleCollider against negative
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| 190 | value to sqrt().
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| 191 |
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| 192 | 08 May 2006 Dennis Wright (hadr-casc-V08-00-00)
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| 193 | -----------------------------------------------
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| 194 |
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| 195 | - cascade: remove G4BERTINI_KAON conditional assembly flags. Files
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| 196 | affected:
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| 197 | G4ElementaryParticleCollider.hh, cc
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| 198 | G4InuclElementaryParticle.hh
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| 199 | G4NucleiModel.hh, cc
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| 200 | G4CascadeInterface.cc
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| 201 | G4IntraNucleiCascader.cc
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| 202 |
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| 203 | - cascade (Pekka Kaitaniemi): G4ElasticCascadeInterface: derive
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| 204 | from G4VIntraNuclearTransportModel instead of G4HadronElastic.
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| 205 | Check for case when no elastic scattering occurs. If so,
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| 206 | return original bullet and target.
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| 207 |
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| 208 | 24 Nov 2005 Dennis Wright (hadr-casc-V07-01-00)
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| 209 | ----------------------------------------------
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| 210 |
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| 211 | - cascade (bertini-V07-01-00 by Aatos Heikkinen)
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| 212 | elastic scattering interface added:
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| 213 | G4ElasticCascadeInterface.hh, .cc added
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| 214 | G4CascadeInterface.hh modified
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| 215 |
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