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Forum: Hadronic Processes
Re: Question Infinite loop in Muon- capture (Huaimin Liu)
Re: None Re: Infinite loop in Muon- capture (Dennis H. Wright)
Re: None Re: Infinite loop in Muon- capture (Huaimin Liu)
Re: More Re: Infinite loop in Muon- capture (Johann)
Date: 10 Nov, 2006
From: Vladimir IVANTCHENKO <vnivanch@mail.cern.ch>

On Fri, 10 Nov 2006, Johann wrote:

> *** Discussion title: Hadronic Processes
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/hadronprocess/572/1/1/1"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> This happens to me too. Same version geant4.8.1.p01 .
> I am using gcc version 4.1.1 on Fedora Core 5 .
> I am not sure if I am implementing the MuonMinusCaptureAtRest process
> corectly:
> I use the ContructEM() function from ExN03 but add:
> if( particleName == "mu-" ) {
>     pmanager->AddRestProcess(new G4MuonMinusCaptureAtRest, 0);
> }
> 
> I left the ConstructGeneral() function for decays from ExN03 unchanged.
> I get no problems without the Capture process added but once I put it
> in,
> and when the mu-'s stop in the detector volume (copper),
> the CPU goes to 100% (caught in some loop) and eventually the process is
> killed.
> 

Hello Johann,

I would use 

pmanager->AddRestProcess(new G4MuonMinusCaptureAtRest());

however, this is not your problem I believe. Can we ask to migrate to 
patch 02 anounced these days? It will not require a big work to update the 
code. We tried to addess similar problems you are reporting, so there is 
a chance that it will work for you. 

Please, try mu- again with patch02 and if infinite loop stil is there,
please, report what is the material and initial muon energy.

VI

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1 Feedback: Re: Infinite loop in Muon- capture   (Huaimin Liu - 10 Nov, 2006)
(_ More: Re: Infinite loop in Muon- capture   (Johann - 19 Nov, 2006)
1 Note: Re: Infinite loop in Muon- capture   (Huaimin Liu - 19 Nov, 2006)
3 None: Re: Infinite loop in Muon- capture   (Vladimir IVANTCHENKO - 20 Nov, 2006)
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