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None Re: Unable to produce 27Al(n,g)28Al Reaction 

Forum: Hadronic Processes
Re: None Unable to produce 27Al(n,g)28Al Reaction (Devin)
Date: 21 Jun, 2017
From: michel maire <michel maire>

On Wed, 21 Jun 2017 13:37:51 GMT, Devin wrote:
> Hello!
> 
> I am working on a cavity style detector consisting of a sensitive volume
> of gas surrounded by a wall of Aluminum and containing a thin wafer of
> boron carbide. One important reaction I need to see is the 27Al(n,g)28Al
> reaction which should have a cross section of ~12 barns for thermal
> neutrons however I am not seeing it. I am using the physics list
> "QGSP_BIC_HP" with no alterations or cuts set for the volumes in
> DetectorConstruction. I see other neutron capture reactions such as
> 10B+n->a+7Li+g so I am baffled as to why I don't see the Al reaction.
> 
> If anybody can share any insight into why I don't see the 27Al capture
> reaction it would be greatly appreciated and if more information is
> needed I can provide it.
> 

  Here, a macro and the output for example Hadr03

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2017/06/21/09.04-97681-Al27.mac.txt
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2017/06/21/09.04-42076-Al27.out.txt

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1 None: Re: Unable to produce 27Al(n,g)28Al Reaction   (Devin - 22 Jun, 2017)
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