|Message: Re: High energy ion projectiles in cosmic ray simulation||Not Logged In (login)|
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Thank you very much Vladimir, I'll give it a shot. Nicola On 16/10/2013 21:47, Vladimir IVANTCHENKO wrote: > > Hello, > > I would suggest to try out Geant4 10.0beta - for this version a full FTF > model for ion/ion was released. Physics List would be, for example, > FTFP_BERT. It is the best what we can propose for today for high energy > ions. > > VI > > On Wed, 16 Oct 2013, Nicola Mori wrote: > >> >> *** Discussion title: Physics List >> >> Hello, for my experiment I must simulate high-energy cosmic-ray ion >> projectiles impinging on my detector, let's say up to Fe. The energy >> range I need to cover goes up to some hundred of GeV/n, and I'm >> wondering whether Geant4 physics is reliable or not for such kind of >> use-case. I see that using QGSP_FTFP_BERT physics list in version 9.6, >> for example, ion physics is available up to 100 TeV: >> >> Hadronic Processes for <GenericIon> ----------------------------------- >> ionInelastic Models: Binary Light Ion Cascade: Emin(GeV)= 0 Emax(GeV)= 4 >> FTFP: Emin(GeV)= 2 Emax(GeV)= 100000 ionInelastic Crs sctns: >> Glauber-Gribov nucleus nucleus: Emin(GeV)= 0 Emax(GeV)= 100000 >> GheishaInelastic: Emin(GeV)= 0 Emax(GeV)= 100000 >> >> My question is: can I really trust this model up to 100 TeV? I know this >> is a pretty dumb question but I would need some rule-of-thumb to decide >> how much I can go up in energy without falling into a regime where >> things are known to be broken. I'll also be grateful to anyone pointing >> me to any validation studies done at such high energies for ion >> projectiles (even against other simulation codes like Fluka), if there >> are any. Thanks. >> >> ------------------------------------------------------------- >> Visit this GEANT4 at hypernews.slac.stanford.edu message (to reply or >> unsubscribe) at: >> http://hypernews.slac.stanford.edu/HyperNews/geant4/get/phys-list/787.html >> >>
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