Re: Plotting neutron spectra in Flair

From: Alberto Fasso' <fasso_at_SLAC.Stanford.EDU>
Date: Tue, 26 Jul 2011 07:53:03 -0700 (PDT)

Indeed there is no way to merge energy bins in Flair. But it can be done
looking at the cumulative distribution in the xxx_sum.lis file.
The fluence (or current) between any two energies is given by the
difference between the two corresponding values of the cumulative


On Tue, 26 Jul 2011, Stefan Roesler wrote:

> Dear Paul
> The binning in the low-energy neutron range is fixed by the low-energy
> neutron cross section group structure. If applicable in your case, instead
> of combining bins I suggest to improve the statistics in that energy
> region. Otherwise, results can be off by a factor of few.
> I don't think there is a way of merging energy bins in Flair.
> Cheers
> Stefan
> On Mon, 25 Jul 2011, Paul Miyagawa wrote:
>> Hello,
>> I am trying to plot neutron energy spectra produced by USRBDX and USRTRACK.
>> In the low-energy region I usually find that many bins are empty due to
>> the narrow bin width. Therefore I would like to combine bins to
>> reduce/eliminate empty bins. Is it possible to combine bins automatically
>> when plotting in Flair, or do I have to do it manually outside of Flair?
>> Thanks for your help.
>> Cheers,
>> Paul
Received on Wed Jul 27 2011 - 11:05:46 CEST

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