Gabriele Cosmo
204 lines
9.2 KiB
Plaintext
204 lines
9.2 KiB
Plaintext
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Geant4 9.1 - patch-03 Release Notes
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-----------------------------------
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12 September 2008
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List of fixes included in this public patch since the public release 9.1.p02:
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o Configuration:
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-------------
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+ architecture.gmk: removed obsoled DOM library from GDMLIBS; resolving
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run-time problems on Windows systems.
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+ liblist.c: removed C++ style comments; resolving compilation problems
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on legacy SUN-CC compiler.
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o Digits_Hits:
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-----------
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+ Fixed a bug in G4ScoringBox for the use of G4PVDivision
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and G4VScoreWriter for indexing scheme in GetIndex() method.
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o Event:
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-----
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+ Provided accessors to G4SPSAngDistribution.
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Addressing problem report #1013.
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+ Cleared gcc-4.3.0 compilation warnings in G4SPSEneDistribution.
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o G3toG4:
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------
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+ GNUmakefile: workaround for renewing Fortran objects in 'lib' target
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before re-build of libraries.
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o Geometry:
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--------
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+ divisions:
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o Corrected initialisation for 'fnReplicas' and 'fwidth' data members
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in CheckAndSetParameters(), to make use of precomputed values retrieved
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from concrete parameterisations; simplified method signature.
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o Corrected error print-out in CheckNDivAndWidth() method in
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G4VDivisionParameterisation class.
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+ management:
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o G4LogicalVolume, G4LogicalVolumeStore: corrected logic for the deletion
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of the root-region volumes, adding locking mechanism and automatically
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de-registering the world default root-region.
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Simplified Clean() method in the store, by removing unused and
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unnecessary default flag for logical-volumes notification.
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o Reinstated update of materials in G4Region::RemoveRootLogicalVolume()
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to correct handling individual removal of root-region volumes and
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restore proper setup state.
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o G4Region: changed condition inside ScanVolumeTree() to check for the
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existence of a valid material-scanner pointer to apply the material
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scan instead of using the flag for nested structures.
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o G4GeometryManager: do not apply optimisation on the current volume if
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it has been defined as a regular structure.
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Addresses problem report #990.
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o G4VSolid: promote copy-constructor and assignment operator to public
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to cope with specific use-case in ATLAS (see problem report #1023).
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+ navigation:
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o G4PropagatorInField: correction to LocateIntersectionPoint() algorithm
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to ensure that endpoints are not further apart in space than on the
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curve due to different errors in the integration.
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Resolves rare error conditions in ATLAS production.
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+ solids/CSG:
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o G4Sphere: fixed bug in DistanceToOut(p, v, ...) for normal 'fSTheta'
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greater than 90*deg, and use of tangent giving negative value.
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Fixed calculation of roots in DistanceToOut(p,v,...) for theta-conical
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surface interserctions and for sTheta<=90 degree intersection.
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Addresses issue reported when running PET application with optical
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photons about mis-computation of distance on half-sphere constructs,
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and later also reported in problem report #1022.
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o G4Tubs: fix in DistanceToIn(p,v, ...) in case of point on surface with
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very small tangent direction; now returning kInfinity and no longer
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zero. It fixes rare observed cases of zero value returned by both
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DistanceToIn() and DistanceToOut(), causing stuck tracks with zero
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step length.
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+ solids/specific:
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o G4ExtrudedSolid: fix in polygon decomposition; systematically use
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half kCarTolerance instead of kCarTolerance; added solid name in the
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error messages coming from fatal exceptions.
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Added missing 'std' namespace to standard mathematical function calls.
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o G4Paraboloid: revised DistanceToOut(p,v,...) in answer to problem
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report #1015. Fixed precision problem when solving quadratic equation;
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apply comparison with kCarTolerance and not with zero; fixed logic
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problem in algorithm for points on surface and direction inside,
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relative to directions along Z, (0,0,Vz).
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o G4VFacet: corrected increment of indeces in operator==().
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Addressing problem report #1024.
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o Global:
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------
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+ Corrected signature of G4SwapPtr() to use reference of pointers as
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arguments.
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+ Changed date for patch-03 to release 9.1.
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o Interfaces:
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----------
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+ Replaced calls to exit() with G4Exception wherever applicable.
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o Materials:
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---------
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+ G4Element: extended printout of errors and warnings; added more safe
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check of consistency between Z and A in construction.
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+ G4Material: improved errors printout.
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o Hadronic Processes:
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------------------
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+ models/coherent_elastic:
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o G4HadronElastic: added protection inside LElastic algorithm against
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cases of t>tmax (outside kinematically allowed 4-momentum transfer).
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+ models/lll_fission:
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o Replaced usage of exit() with G4Exception in G4fissionerr.
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+ models/high_energy:
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o In G4HEInelastic: fixed bug in HighEnergyCascading() and
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MediumEnergyCascading() for momentum sampling, responsible for
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oscillatory behavior in spectrum.
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In TuningOfHighEnergyCascade(), removed abnormally high pt secondaries
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due to incident strange particles by prohibiting the assignment of
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leading particle to anything that goes backward in the CM frame.
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Replaced usage of exit() with G4Exception in Factorial() method.
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In NBodyPhaseSpace(), removed error message "total mass > total energy"
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and replaced with message only when verbosity is > 1.
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+ models/parton_string/diffraction:
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o Fixed compilation warnings for unused variables in G4FTFModel.
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+ models/pre_equilibrium:
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o Fixed cases of floating point overflow when using pre-compound in
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combination with binary-cascade; reviewed algorithm in method
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G4PreCompoundEmission::rho().
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+ util:
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o G4ReactionDynamics::GenerateXandPt(): fixed bug in momentum bin
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responsible for causing oscillatory behavior in spectrum.
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Replaced usage of exit() with G4Exception.
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o Generic Processes:
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-----------------
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+ Management:
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o Fixed un-necessary double deletion/creation of vector in operator=()
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in G4ProcessVector.
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o Fixed compilation warning on messenger.
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o Run:
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---
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+ G4RunManagerKernel: avoid deletion of default root-region which is now
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taken care by the geometry stores. It resolves the ambiguity of explicitly
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avoiding the de-registration and deletion of the default root-region by
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the stores and eliminates the limitation of forcing the world logical
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volume being the first registered in the logical-volumes store.
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+ Invoke G4Particle::DeleteAllParticles() in the destructor of
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G4VUserPhysicsList to clear memory leak at application closure.
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o Tracking:
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--------
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+ Fix in G4SteppingManager to properly update 'fTouchableHandle' data
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member. Addresses problem report #1009.
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o Examples:
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--------
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+ advanced/air_shower:
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o Adjusted range of optical properties tables in DetectorConstruction;
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Added check of optical photon energy in PrimaryGeneratorAction;
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Cerenkov process attached to all applicable particles;
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Modified Visualisation.mac and UltraMacro.mac macros.
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o Corrected a parameter in the DetectorConstruction to fix a
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segmentation due to a non correct definition of the refraction index
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of the Quartz.
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o Implemented access to private data members of DetectorConstruction
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through accessors.
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o Fixed a compilation warning in AnalysisManager.
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+ advanced/brachytherapy:
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o Fixed compilation warning in AnalysisManager. Fixed bad type assignment.
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o Activated generation of histogram files for output.
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+ advanced/gammaray_telescope:
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o Fixed problems in compilation.
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+ advanced/lAr_calorimeter:
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o Fixed compilation warning in AnalysisManager.
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+ advanced/Rich:
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o Fixed compilation errors and removed warnings.
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+ advanced/Tiara:
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o Fixed compilation errors.
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+ extended/exoticphysics/monopole:
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o Fixed compilation warnings.
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+ extended/medical/DICOM:
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o Bug fix in DicomNestedPhantomParameterisation in calculating the cell
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copy-number; now fixing the material assignments.
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o Set default cut to 1 mm to reduce physics content and enhance tracking
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performance.
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o Corrected direction and position of primary particles to better
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traverse the DICOM voxels.
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----------------------------------------------------------------------------
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Technical Notes
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---------------
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o This patch should be applied on top of release 9.1
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o Technical notes distributed for release 9.1 are also applicable and
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valid for this patch.
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The code and rebuilt binary libraries for release 9.1 are available
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through our "Download" Web page:
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http://cern.ch/geant4/support/download.shtml
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Please refer to the Geant4 User Documentation:
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http://cern.ch/geant4/support/userdocuments.shtml
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for further information about using Geant4.
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