Import Geant4 8.2.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -1,4 +1,4 @@
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$Id: History,v 1.239 2006/05/22 18:22:00 vnivanch Exp $
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$Id: History,v 1.269 2006/12/04 12:45:25 vnivanch Exp $
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-------------------------------------------------------------------
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=========================================================
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@@ -17,6 +17,120 @@ committal in the CVS repository !
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* Reverse chronological order (last date on top), please *
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----------------------------------------------------------
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04 Dec 06: V.Ivanchenko (emstand-V08-01-16)
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- G4UrbanMscModel - fix in ComputeTruePathLengthLimit stepmin=1.e-6*mm
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(L.Urban)
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23 Nov 06: V.Ivanchenko (emstand-V08-01-15)
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- G4MultipleScattering - ste default skin=1 only for e+-,
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for all other particles default skin=0
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20 Nov 06: V.Ivanchenko (emstand-V08-01-14)
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20 Nov 06:
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- G4UrbanMscModel - fix in the single scattering part of SampleCosineTheta,
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now there is single scattering just before boundary crossings (and not
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inside a volume)
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15 Nov 06: V.Ivanchenko (emstand-V08-01-13)
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- G4UrbanMscModel - fix NaN inside SampleCosineTheta (L.Urban)
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10 Nov 06: V.Ivanchenko (emstand-V08-01-12)
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07 Nov 06:
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- G4UrbanMscModel - some optimization in ComputeTruePathLengthLimit,
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fixes in ComputeGeomPathLength, SampleCosineTheta (L.Urban)
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31 Oct 06: V.Ivanchenko (emstand-V08-01-11)
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- G4UrbanMscModel is changed to work with new approach of parallel
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navigation (j.Apostolakis)
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26 Oct 06: V.Ivanchenko (emstand-V08-01-10)
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- G4hMultipleScattering - new class configured for hadrons
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- G4eCoulombScatteringModel - set cross section const below 1 keV
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23 Oct 06: V.Ivanchenko (emstand-V08-01-09)
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- G4BraggIonModel - reduce lowest energy for parameterisation to 0.25 keV
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23 Oct 06: L.Urban
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- G4MultipleScattering - parameter skin = 1 by default,
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- G4UrbanMscModel - more effective safety update in SampleSecondaries,
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+ come cosmetics.
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20 Oct 06: V.Ivanchenko (emstand-V08-01-08)
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- G4CoulombScatteringModel inherit from G4eCoulombScatteringModel,
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screening parameter computation is done in inline function
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- G4eeToTwoGammaModel - introduce member theGamma
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20 Oct 06: L.Urban cleanup of msc
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- theta0 parameter for SampleCosineTheta is computed in a public
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function ComputeTheta0;
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- default value of skin = 0 (there is no small step with single scattering if
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skin <=0, and there are ~skin small steps if skin >0
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- no z sampling in ComputeGeomPathLength by default
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- correction in the single scattering part, allowing not only small angles now
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- PostStep ComputeSafety(pos) is used
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16 Oct 06: V.Ivanchenko (emstand-V08-01-07)
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- Add extra protection to G4eplusAnnihilation52
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- Add warning to all processes 52 and 71 type
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16 Oct 06: L.Urban
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- new msc version (G4MultipleScattering, G4UrbanMscModel):
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- Stepping has been modified:
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- min. steplimit in 8.1: tlimitmin = max(lambda/25, 5 nanometer)
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now : tlimitmin = max(lambda/25, 1.01*stepmin)
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where stepmin ~ lambda elastic
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- possibility to have extreme small step(s) before boundary crossing
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this feature is not active by default;
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it can be activated by setting the data member "skin" to a
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non-negative value, steplimit = stepmin, if the distance to the boundary
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(in the original direction) is smaller than skin*stepmin;
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- the step restriction is weaker for particles with higher energy,
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i.e. bigger effective facrange value is used in this case
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in 8.0/8.1 this 'scaling' depends on Tkin, new version :
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scaling depends on lambda, giving smaller material dependence
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- Angular distribution has been changed:
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- single/plural scattering for step <= stepmin
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(in this case t = z + no lateral displacement)
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- parameter theta0 has been (sligtly) modified
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- tail of the distribution has been modified, now the parameter
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describing the tail is material (i.e. Z) dependent
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14 Sept 06: mma (emstand-V08-01-06)
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- move the function SetModel() in G4VEmProcess
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09 Sept 06: mma (emstand-V08-01-05)
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- add/modify the function SetModel() in G4PhotoElectric, G4ComptonScattering,
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G4GammaConversion, G4eplusAnnihilation
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08 Sep 06: V.Ivanchenko (emstand-V08-01-04)
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- Bug fixed in PAI model concerning Tmax for electrons and positrons. Tmax
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is defined now for each particle independently (V.Grichine)
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30 Aug 06: V.Ivanchenko (emstand-V08-01-03)
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- Provide changings required for new processes/models with polarization:
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G4KleinNishinaCompton - make some members protected
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G4MollerBhabhaModel - make some members protected
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G4eBremsstrahlungModel - reorganize SelectRandomAom method and make
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some members protected
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29 Aug 06: V.Ivanchenko (emstand-V08-01-02)
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- Fix problem of positron zero incident energy in G4eeToTwoGammaModel
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- Add extra protection inside G4BetheBlochModel
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19 Aug 06: V.Ivanchenko (emstand-V08-01-01)
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- Fix energy non-conservation in G4PAIModel for positrons (V.Grichine)
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08 Aug 06: V.Ivanchenko (emstand-V08-01-00)
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- Fix problems and add comments in the classes prototype Coulomb
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elastic scattering: G4CoulombScattering, G4CoulombScatteringModel,
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G4eCoulombScatteringModel
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- Set default limit on scattering angle to zero
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22 May 06: V.Ivanchenko (emstand-V08-00-25)
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- G4eBremsstrahlung - use gammaThreshold from G4LossTableManager for
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more easier initialisation (CMS request)
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