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Forum: Hadronic Processes
Re: Question Strange results of 10B(n,2a+t) reaction (Dongwon Lee)
Date: Mar 11, 11:30
From: michel maire <michel maire>

On Wed, 06 Mar 2019 21:34:41 GMT, Dongwon Lee wrote:
> I've been simulating fast neutron (1 to 10MeV) interactions on a thin
> 10-Boron nitride, and I ran into strange results of 10B(n,2a+t)
> reaction. When this reaction happens, total deposited energy of 2 alphas
> and a triton is way over what I expect. I looked up its Q-value on NNDC
> website and it is only 0.32MeV. Has anyone noticed the same issue with
> mine? I use version 4.10.3 with G4NDL 4.5. My physics list is

  Here, an output of example Hadr03 to enforce your question.

 What is the difference between reactions 1 and 2 ? why their Q is so different ?
 This does not happen in the other reactions (Li7 or Be10) .
 Futhermore, it does not happen at all if we do not use _HP physics constructors.

 May I suggest you to open a bug report.


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