[fluka-discuss]: It seems something is wrong with the source.f?

From: 李立华 <13691416247_at_ciae.ac.cn>
Date: Tue, 21 Sep 2021 15:15:25 +0800 (GMT+08:00)

Dear Fluka experts:

     i wrote a user source “source.f” to sample primary particle, i means the neutron energy is 9.441e-13 GeV, but the results show the energy of neutron is 1 GeV, why?
here is the input file:




here is the source.f file:

the key code is:
PBEAM= SQRT (9.441d-13*9.441d-13+ TWOTWO * AM (IONID) )







here is the neutron current result cross a surface:

why the neutron energy is not the one i specialized?









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Received on Tue Sep 21 2021 - 12:05:26 CEST