Hallo
this is indeed an artifact due to an anomalous abundance of neutrons with
zero energy in the Center-of-Mass system, the issue is being addressed in
the context of low energy ion event generator development and its fixing
will be reported.
Kind regards
Francesco Cerutti
**************************************************
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854
On Thu, 30 Jul 2015, s102013803_at_m102.nthu.edu.tw wrote:
> Dear all
>
> I would like to know that the peak at forward direction of the low energy neutron for 135 MeV/A Ne hit on the thin copper target, the result show as figure 1 ( attachment, word file).
>
> I have no idea why it happened at forward direction in this case, the attachment is the input of this case.
>
> Besides, I hold the beam target combination, just change the scoring range, target length and projectile energy for forward direction, the result shown as attachment word file.
>
> From the result, the odd peak appeared at vary small forward angle (theta<0.5 degree).
>
> So, maybe someone can give me some advice to explain the odd peak.
>
> Ps. this is a series cases simulation with beam target combination, and the condition just show in this case, the input and data process have been checked.
>
>
>
> Thanks all, bolun
>
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Received on Thu Jul 30 2015 - 10:42:45 CEST