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Question MuMultipleScattering not listed 

Forum: Event and Track Management
Date: 19 Jun, 2013
From: Kendall <Kendall>

Hi there,

I am new to Geant4 and have run into something that I can't seem to make sense of. I have been browsing the forum off and on for a few weeks now trying to make sure that my question hasn't already been asked. So far I have found very little on the matter, but if I have missed the answer to my question somewhere, please forgive me for posting it here a second time.

My question has to do with muon multiple scattering and why it is not being listed as an occurring process, even when I turn the tracking verbosity up quite high. As a simple example, if I send a 4GeV muon through a world volume made of air but with a 10x10x10 cm block of lead in it, the standard deviation of the scattering angle through the lead should be about 1 degree. I can see this happening very clearly in my simulation, but the only process that gets listed in the tracking details while the muon is in the lead is muon ionization.

I believe that multiple scattering is happening (when I turn this process off, the muon travels straight through the lead), but it worries me that the process doesn't get listed and I would like to find out why.

I would very much appreciate any information you can give me on the matter. And if you need any more details from me, please don't hesitate to ask.

Thank you very much in advance.

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1 None: Re: MuMultipleScattering not listed   (Marc Verderi - 19 Jun, 2013)
(_ None: Re: MuMultipleScattering not listed   (Kendall - 21 Jun, 2013)
(_ More: Re: MuMultipleScattering not listed   (Michael H. Kelsey - 21 Jun, 2013)
(_ None: Re: MuMultipleScattering not listed   (Kendall - 24 Jun, 2013)
(_ None: Re: MuMultipleScattering not listed   (Marc Verderi - 24 Jun, 2013)
(_ Idea: Re: MuMultipleScattering not listed   (Vladimir Ivanchenko - 24 Jun, 2013)
(_ None: Re: MuMultipleScattering not listed   (michel maire - 24 Jun, 2013)
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