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0001
0002 Geant4 9.2 - patch-04 Release Notes
0003 -----------------------------------
0004
0005 16 September 2010
0006
0007 List of fixes included in this public patch since the public release 9.2.p03:
0008
0009 o Hadronic Processes:
0010 ------------------
0011 + models/cascade:
0012 o Fix for long-standing problem of energy non conservation in pion-nuclear
0013 reaction on very light nuclei (in particular He) in G4CascadeInterface.
0014 The workaround re-samples the interaction in the rare case when an
0015 unphysical final state with baryon number violation is generated.
0016 + models/CHIPS:
0017 o Fix in G4QEnvironment for a rare problem of anomalous event with high
0018 pT jet observed in ATLAS, identified in a Gamma+A -> X reaction with
0019 gamma energy of 2 GeV, for which at least one of the secondaries was
0020 created with too much kinetic energy (up to 90 GeV).
0021 Addresses problem report #1126 and relates only to 9.2 release series.
0022 o Fix in G4ChiralInvariantPhaseSpace to catch previously un-handled
0023 exceptions produced when a 'chipolino' pseudo-particle is produced by
0024 the model and thrown by Q4QEnvironment::Fragment; handles the case in
0025 which Q4QEnvironment returns a 90000000 fragment, and converts it to
0026 a gamma. Addressing problem report #1138.
0027
0028 ----------------------------------------------------------------------------
0029
0030 Technical Notes
0031 ---------------
0032
0033 o This is a cumulative patch and can be applied on top of release 9.2,
0034 9.2.p01, 9.2.p02 or 9.2.p03.
0035 o Technical notes distributed for release 9.2 are also applicable and
0036 valid for this patch.
0037
0038 The code and rebuilt binary libraries for release 9.2 are available
0039 through our "Download" Web page.
0040
0041 Please refer to the Geant4 User Documentation:
0042 http://cern.ch/geant4/support/userdocuments.shtml
0043 for further information about using Geant4.
