|Message: RE: Conservation of energy for electrons from ionisation||Not Logged In (login)|
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Hello, "/tracking/verbose 6" includes printout with may digits. Alternatively one can modify G4SteppingVerbose - see $G4INSTALL/examples/extended/electromagnetic/TestEm3 VI ________________________________________ From: Gumplinger Peter [email@example.com] Sent: 27 April 2012 23:21 To: firstname.lastname@example.org Subject: Re: Conservation of energy for electrons from ionisation *** Discussion title: Event and Track Management Norbert, Well, > Ok, this sounds plausible. But in this step (#24) of the muon track, it > doesn't lose 150MeV: > > Step# X(mm) Y(mm) Z(mm) KinE(MeV) dE(MeV) StepLeng TrackLeng NextVolume ProcName > 23 93.4 1.64 -462 1.87e+03 3.94 23.7 1.56e+03 DetSimBulk muIoni > 24 93.4 1.66 -466 1.85e+03 0.876 4.17 1.57e+03 DetSimBulk muIoni > 25 93.3 1.73 -477 1.85e+03 2.03 11 1.58e+03 DetSimBulk muIoni > > Due to the number representation one can only see +/-10MeV. 1.87e+03 -> 1.85e+03 (so the actually kin E change is ~20MeV) > But if the > secondary electron gets 14.8MeV, one should see that energy loss in the > muon track, right? Don't you see it? - I see it! Anyway, I suggest you write the kin. Energy to the screen in your SteppingAction with higher precision so we are not fooled by rounded numbers. Moreover, believe me, if energy was not conserved in G4 we'd have the whole G4 user community crying foul! So, before you assume something so radical, check your arguments first. Peter ------------------------------------------------------------- Visit this GEANT4 at hypernews.slac.stanford.edu message (to reply or unsubscribe) at: http://hypernews.slac.stanford.edu/HyperNews/geant4/get/eventtrackmanage/1057/1/1/1.html