RE: secondary neutron fluence

From: Stefan Roesler <>
Date: Wed, 24 Jul 2013 13:06:57 +0000


I am not quite sure what your problem is. Please see attached spectra that I obtain with your input. The labels refer to the output units.

How did you score the spectrum that you labeled 'LOW-NEUT' in your graph?


-----Original Message-----
From: [] On Behalf Of Anton Artamonov
Sent: 23 July 2013 13:04
Subject: secondary neutron fluence

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 - 16:26:08 CEST

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