secondary neutron fluence

From: Anton Artamonov <>
Date: Tue, 23 Jul 2013 14:04:27 +0300

Hello all!

I am trying to compute secondary neutron fluence produced by primary
protons with given energy in a compound target with FLUKA 2011.2b.3
using FLAIR.

The USRCOLL is used in order to score the neutrons. A LOW-NEUT option
is applied. The geometry is rather simple, however there is a gap in
the computed spectrum, also spectrum is not realistic (Please see attachment)

Please help me.

The input files is attached

Received on Wed Jul 24 2013 - 09:49:08 CEST

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