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Forum: Particles
Re: None mu- lifetime in mercury (Bari Osmanov)
Date: 08 Apr, 2008
From: Vladimir IVANTCHENKO <vnivanch@mail.cern.ch>

On Tue, 8 Apr 2008 barry_osm@yahoo.com wrote:

> *** Discussion title: Particles
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/particles/399"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
>  My greetings, I have the following question: I am simulating the interactiuon of 1 GeV proton beam with mercury target.
>  Among other particles, negative muons are produced. I need to deduce the mu- lifetime in mercury 
> which was measured to be about 76 ns.
>  I was told before that both decay and capture processes for mu- are done through "muMinusCaptureAtRest".
> I will appreciate if someone tells me how to deduce mu- lifetime (or to get mu- time spectrum) in mercury in my SteppingAction.
>  The value that I currently get is about 1 ns which is definitely wrong...
> 
>   Thank you in advance.
> 
>  Sincerely,
> 
>  Bari. 
> 

Hello,

If you are using reference Physics List than you do not need any extra 
action, if you create Physics Lists by hand, you need to add this mi- 
capture at rest process.

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