|Message: Re: Range of Particle = Track Length of particle in G4 ?||Not Logged In (login)|
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On Tue, 12 Aug 2003 email@example.com wrote: > *** Discussion title: Analysis > Email replies to PublicHyperNews@slac.stanford.edu must include: > In-Reply-To: <"/analysis/34"@geant4-hn.slac.stanford.edu> > Subject: ...change this to be about your reply. > > Dear all > > According to NIST ( > http://physics.nist.gov/PhysRefData/Star/Text/appendix.html ) > > Projected range is defined as the average value of the depth to which a > charged particle will penetrate in the course of slowing down to rest. > This depth is measured along the initial direction of the particle. > > Now my question is how to calculate this range for the primary particle > only in G4, > > is it ok to capture the tracklength of the primary particle, in > PostUserTrackingAction method of USerTrackingAction class ! > I don't think so, because a particle will scatter. What can be used is the coordinates of the end point of the track. I would also suggest that the distribution of the end point will be analised not simply average value. VI
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