Re: about weight

From: Giuseppe Battistoni <>
Date: Thu, 14 May 2009 16:24:32 +0200

Dear Hantao
the treatment of low energy neutron (E<20 MeV) sometimes requires
automatically the use of weights,
even when no biasing is asked by the user.
    Giuseppe Battistoni

Hantao Jing wrote:
> Dear fluka experts,
> When I calculate the neutron production by the reaction of proton
> beam-Tungsten, where the Beryllium reflecting layer wrapping the
> Tungsten target, I find the a few neutron weights obtained by WTRACK
> are great than 1 in case of no any variance reduction techniques being
> used. Can the producing-particle weights be not 1 without variance
> reduction techniques? Are my results possible?
> Thanks very much!
> Hantao Jing
> 2009-5-15
Received on Thu May 14 2009 - 16:55:30 CEST

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