Dear Vasilis,
Thank you for your advice.
The non-elastic cross section agrees well with ENDF ,ICRU and FLUKA.
http://www.nndc.bnl.gov/exfor/servlet/X4sShowData?db=x4&op=get_plotdata&req=-1&ii=951&File=E4R56937_e4.zvd.dat.txt
I could get a close result (at least the same order), but the spectrum deviates.
The USRYIELD I used gives relatively flat spectrum over 0-11MeV,but
ICRU gives very low results after 3.5MeV.
(attached as excel file)
By the way, where could I find the units (mb/MeV) of output from
USRYIELD , because I searched from the
manual (6.1 physical units) and output file but I did not find it .
Best Regards
Lee
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