From: Alberto Fasso' (fasso@SLAC.Stanford.EDU)
Date: Tue Jul 05 2005 - 18:20:32 CEST
It is not clear what you mean by "activate", and by "gamma results".
The FLUKA neutron library contains neutron-to-gamma transfer probabilities,
and they do not need to be "activated". The LOW-NEUT command allows you
to request low-energy neutron transport (if not already requested implicitly
by one of the DEFAULTS). One of the parameters of that command is the number
of gamma groups, but at the moment you have no choice: it is 22 and you cannot
change it. You can, however, decide NOT TO FOLLOW those gammas (using
option DISCARD, or setting a very high gamma cut-off with EMFCUT).
Unless you do that, the gammas are activated and transported.
If by "results" you mean some gamma scoring, you can get that by any of usual
scoring option USRTRACK, USRBIN, USRBDX etc., as for any other particle.
About "having this data set in your output file", what you can print are
the neutron-to-gamma transfer probabilities: set WHAT(4) equal to 2.0
in option LOW-NEUT.
But I have the impression that you are looking for something else: in that
case please ask again your question in a more precise way.
On Tue, 5 Jul 2005, Josselin Morand wrote:
> Dear Fluka users
> I'd like to activate the 22 gamma results mentionned
> into the manual, with the option LOW-NEUT (22 gamma
> from the ENEA set) and to have this data set in my
> output file.
> I searched into the manual, but I couldn't find
> How can I activate it?
> Thank you for your help.
> Best regards,
> Josselin Morand
-- Alberto FassÚ SLAC-RP, MS 48, 2575 Sand Hill Road, Menlo Park CA 94025 Phone: (1 650) 926 4762 Fax: (1 650) 926 3569 email@example.com
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