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On Mon, 27 Feb 2006, Gennady Vasilyev wrote: > *** Discussion title: Physics List > Email replies to PublicHyperNews@slac.stanford.edu must include: > In-Reply-To: <"/phys-list/220"@geant4-hn.slac.stanford.edu> > Subject: ...change this to be about your reply. > > Hi, dear colleagues. When I run my application with LHEP_BIC_HP (Geant > 4.8.0 p) I have such message: > > WARNING! G4VEnergyLossProcess::AlongStepDoIt: x= -3.0440247e-22 for > eScaled(MeV)= 0.0029712384 step(mm)= 0.00024180864 for C12[0.0] WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -1.8892223e-17 for eScaled(MeV)= > 16.458479 step(mm)= 0.060550681 for pi+ WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -5.399835e-20 for eScaled(MeV)= > 0.17939602 step(mm)= 0.0021297668 for C13[0.0] WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -9.9261674e-24 for eScaled(MeV)= > 1.0009584e-05 step(mm)= 1.3036591e-05 for O16[0.0] WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -4.6163296e-20 for eScaled(MeV)= > 0.51793482 step(mm)= 0.007471454 for alpha WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -1.7642212e-24 for eScaled(MeV)= > 7.2404115e-09 step(mm)= 4.4092798e-07 for W183[0.0] WARNING! > G4VEnergyLossProcess::AlongStepDoIt: x= -1.5958101e-18 for eScaled(MeV)= > 4.4093207 step(mm)= 0.050438274 for alpha > ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// > > G4NuclearLevelManager: nuclide (2,4) does not have a gamma levels file > > What does it mean? > > With respect G.I. Vasilyev. > Hello, There are two different warnings: 1) first one is already reported to be in 8.0. It means precision lost when energy loss is calculated at a very small step. Unfortunatelly, this situation was never happen before and we do not have any control to supress this warning in production runs. My guess is that no effect on final results, another guess is that already in January reference tag it is supressed. 2) Warning about nuclear level of alpha particle coming from another place. Again, one should not expect effects on final results. VI
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