Problems with USRBDX output

• Previous message: Giuseppe Battistoni: "Re: Energy Spectrum of source"
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Dear Sirs/Madams,

I'm using the USRBDX card to score the neutron fluence resulting from a
2.8MeV proton pencil beam hitting a Lithium-7 target. The resulting
data is compiled using the usxsuw command and the *_sum.lis and
*_tab.lis files produced.

The problem is that the double-differential fluence is reported (as
non-zero) in the *_sum.lis file, but all entries are then printed as
zero in the *_tab.lis file. The differential fluence is reported fine
in both files.

Has anyone any ideas what I may be doing wrong?

So far I have tried increasing the WHAT(3) and WHAT(6) value from their
defaults of 80.0/100.0 seconds in the START card, but this then results
in the whole run terminating before the requested 1,000,000 histories
have been transported.

Any pointers would be greatly appreciated!

With regards,

Nicole Pratt-Boyden.

• application/octet-stream attachment: testneu.inp

• application/octet-stream attachment: neutest_sum.lis

• application/octet-stream attachment: neutest_tab.lis

• Previous message: Giuseppe Battistoni: "Re: Energy Spectrum of source"
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