From: Wu QingBiao (qbwu@ihep.ac.cn)
Date: Fri Apr 21 2006 - 02:52:26 CEST
Dear Professor Fasso:
I am a master in IHEP(Institute of High Energy Physics,Chinese Academy of
Sciences),major in Radiation Protection,and began study FLUKA2005.6 code last
October,now I can run some examples from your official
webside(www.fluka.org),and have
successfully run several of input files written by myself.Since there are few
guys mastered fluka code in China,I am do need your help
There are two questions that I am urgent to solve:
(1)I am simulating a He3 neutron detector ,trying to score the Proton and
Tritium produced in He3 gas tube(my input file attached ),since the neutron
beam direction perpendicular to the axis of the tube,I try to use BEAMPOS and
BEAMAXES cards to make the USRBIN scored by R-Z mesh.However,when I wrote the
BEAMPOS and BEAMAXES cards according the mannal instructions,I failed to get
any scored.When I changed
the WHat(1) and WHat(2) (i.e the x and y coordinates),it works! But that dosen't
make sense to me.So I wonder if there is something wrong in my input file or
my understanding?
(2)I know USRBIN card can score proton and tritium fluence and densties in a
region,but it can't give a energy spectrum,how can I score both the number of
paticles and their energy spectrum in the He3 tube ?Do I do need to compile a
usr routine?How do?
Any help will be appreciated.
Best regards.
Wu
qingbiao
2006.4.20
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