Date: Wed, 23 Mar 2016 23:33:53 +0800
Dear FLUKA experts,
Recently I am simulating the neutron spectrum of 7Li(p, n) reaction by
using a 230MeV proton beam bombarding lithium-7 target. I am trying to
reproduce the neutron spectrum in attached figure from the reference
http://www.sciencedirect.com/science/article/pii/S1876610214026988. The
neutron energy is a qusi-monoenergetic energy peak in the paper.
But my result is quite different from the paper. The energy is a broad
distribution.
I am just wondering if I did something wrong. How do I get similar result
to the reference?
The simulation setup is as the following: proton beam with 230 MeV kinetic
energy collide the 10mm thick lithium-7 target. the neutron fluence is
recorded at the other side of lithium target. The solid angle for scoring
is set to be 0.00628 which is closed to 0 degree.
The input card is also attached.
Thanks for your great help,
Yung-Shun
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(image/png attachment: neutron_spectrum_phits.png)
(image/png attachment: neutron_spectrum_fluka.png)
- application/octet-stream attachment: neutron.inp