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| 2 | Geant4 8.1 - patch-02 Release Notes |
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| 3 | ----------------------------------- |
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| 4 | |
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| 5 | 10 November 2006 |
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| 6 | |
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| 7 | List of fixes included in this public patch since the public release 8.1.p01: |
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| 8 | |
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| 9 | o Geometry: |
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| 10 | -------- |
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| 11 | + management |
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| 12 | o Added empty virtual method CheckOverlaps() to G4VPhysicalVolume to |
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| 13 | allow for proper overloading from subclasses. Implementation returns |
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| 14 | always 'false', which is the case for replicas. |
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| 15 | |
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| 16 | o Global: |
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| 17 | ------ |
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| 18 | + Corrected inclusion of CLHEP headers in wrapper files |
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| 19 | G4SystemOfUnits.hh and G4PhysicalConstants.hh. |
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| 20 | |
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| 21 | o Electromagnetic processes: |
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| 22 | ------------------------- |
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| 23 | + standard: |
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| 24 | o Fixed energy non-conservation in G4PAIModel for positrons. Fix also |
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| 25 | concerning 'Tmax' for electrons and positrons: 'Tmax' is defined |
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| 26 | now for each particle independently. |
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| 27 | o Fixed problem of positron zero incident energy in G4eeToTwoGammaModel. |
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| 28 | o Added extra protection inside G4BetheBlochModel. |
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| 29 | o Fixed problems and add comments in the classes prototype Coulomb |
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| 30 | elastic scattering: G4CoulombScattering, G4CoulombScatteringModel, |
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| 31 | G4eCoulombScatteringModel. Set default limit on scattering angle to |
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| 32 | zero. |
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| 33 | + utils: |
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| 34 | o G4VEnergyLossProcess: made LambdaPhysicsVector() method protected. |
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| 35 | o G4ionEffectiveCharge: added protection for NULL pointer to material. |
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| 36 | |
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| 37 | o Hadronic Processes: |
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| 38 | ------------------ |
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| 39 | + models/coherent_elastic: |
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| 40 | o Introduced NaN check inside G4HadronElastic, G4ChargeExchange, and |
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| 41 | G4UHadronElasticProcess. |
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| 42 | o Removed HP data from G4UHadronElasticProcess (it is set in physics |
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| 43 | lists); added low energy threshold of 20 MeV in G4HadronElastic for |
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| 44 | QElastic. For any particle with kinetic energy below 10 KeV, the |
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| 45 | primary particle is returned unchanged and no scattering is sampled. |
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| 46 | This prevents situations of low-energy neutrons scattering forever, |
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| 47 | and reduces precision in computing scattering for low-energy hadrons. |
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| 48 | + models/utils: |
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| 49 | o Reduced warning output from G4Fragment on negative excitation energy; |
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| 50 | a maximum of 10 warnings is printed now. |
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| 51 | o G4Fancy3DNucleus:ChoosePositions(): correctly use std::vector. |
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| 52 | Correction addressing problem report #887 on WIN32/VC8. |
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| 53 | o Removed meaningless 'const' qualifier from return type of method |
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| 54 | G4Fancy3DNucleusHelper(). |
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| 55 | |
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| 56 | o Particles: |
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| 57 | --------- |
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| 58 | + Fixed bug in G4ParticleDefinition constructor causing not filling quark |
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| 59 | contents when G4VERBOSE is not set. |
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| 60 | + Fixed bug in k2(1770) decay. Addresses problem report #894. |
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| 61 | |
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| 62 | o Persistency: |
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| 63 | ----------- |
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| 64 | + Get Rid of useless forward declarations in G4MCTEvent and |
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| 65 | G4MCTGenParticle header files. Clearing compilation warnings on |
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| 66 | icc-9.X compilers. |
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| 67 | |
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| 68 | o Track: |
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| 69 | ----- |
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| 70 | + Made G4StepPoint::operator=() inline for optimisation. |
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| 71 | |
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| 72 | o Physics Lists: |
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| 73 | ------------- |
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| 74 | + G4HadronElasticPhysics: added explicit inclusions of data headers |
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| 75 | in the header file. |
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| 76 | |
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| 77 | o Configuration: |
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| 78 | ------------- |
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| 79 | + Linux-icc: updated setup to support Intel icc compiler 9.X series. |
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| 80 | + liblist.c: added .dylib search for list of libraries. |
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| 81 | Addressing problem report #885. |
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| 82 | + architecture.gmk: added variables for commands: echo, cat, cut, sed; |
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| 83 | to be eventually overloaded in system dependent configurations. |
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| 84 | Overloaded variables for WIN32-VC to force usage of the original |
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| 85 | CygWin built-in commands. Use standard 'echo' command for Darwin-g++. |
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| 86 | Replaced system commands with variables defined at architecture level |
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| 87 | in source/GNUmakefile. |
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| 88 | |
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| 89 | o Examples: |
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| 90 | -------- |
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| 91 | + Updated reference outputs. |
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| 92 | + advanced/underground_physics |
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| 93 | o Fixed bug: removed uninitialized 'UserLimitsForXenon'. |
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| 94 | + extended/analysis/AnaEx01 |
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| 95 | o Corrected text in README for AIDA setup. |
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| 96 | |
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| 97 | ---------------------------------------------------------------------------- |
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| 98 | |
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| 99 | Technical Notes |
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| 100 | --------------- |
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| 101 | |
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| 102 | o This patch should be applied on top of release 8.1.p01 |
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| 103 | o Technical notes distributed for release 8.1 are also applicable and |
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| 104 | valid for this patch. |
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| 105 | |
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| 106 | The code and rebuilt binary libraries for release 8.1.p02 are available |
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| 107 | through our "Source Code" Web page: |
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| 108 | http://cern.ch/geant4/support/download.shtml |
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| 109 | |
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| 110 | Please refer to the Geant4 User Documentation: |
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| 111 | http://cern.ch/geant4/support/userdocuments.shtml |
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| 112 | for further information about using Geant4. |
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