Hi all,
I wish to score alphas produced by the reaction of thermal neutron(
0.025eV) with Lithium Fluoride moderator.
I am using a 0.025eV neutron point source for my simulations and scoring
the a silicon detector which is bonded to the moderator.
I have enabled the transport using the following card
IONTRANS 4-HELIUM
and also changed the threshold to 1eV for alphas using the following card:
PART-THR -1.E-9 4-HELIUM 0.0
Finally I score the flux on the moderator using the following card:
USRBIN 10. 4-HELIUM 22. 0.700067 0.880124
-0.10convalp
USRBIN -0.702433 -0.5261 -0.11 256. 256.
1. &
and on the silicon detector using the following card:
USRBIN 10. 4-HELIUM 29. 0.700067 0.880124 0.10sialph
USRBIN -0.702433 -0.5261 -0.096 256. 256. 1. &
But in vain, as I do not see any alpha particles scored. The fort files are
filled all with zeros.
Please let me know where I am going wrong. Help would be greatly
appreciated.
Thanks in advance.
Cheers,
Shri
(Srinidhi Bheesette)
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Received on Sat Sep 03 2016 - 12:40:39 CEST