[fluka-discuss]: Additional neutrons in H2O and Polyethylene

From: SIZWE SCELO MHLONGO <3698012_at_myuwc.ac.za>
Date: Thu, 16 Jul 2020 09:08:28 +0200

Dear FLUKA experts,

I am simulating a neutron beam that impinges on a polyethylene target and
am interested in the neutron fluence that comes out on the other end of the
target (I use USRBDX to score).

What I have observed is that for a 2-4 cm thick target there are additional
neutrons in the beam, which is not expected. The same is observed for
water; what could be the possible explanation for this? I have attached my
input file below. Thanks.

Best regards,

Sizwe

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Received on Thu Jul 16 2020 - 12:58:26 CEST

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