dear Fluka experts,
Does anybody knows what are the units of the all-particle spectrum (GCR_IONF) source, i.e the proton spectrum found in the 01phi0465.spc file?
It looks like the unit is differential flux [ ion/cm^2/sec/sr/(MeV/amu) ] according to the plot from this paper (pg.2):
https://www.fluka.org/free_download/course/jlab2012/Lectures/17_Cosmic_Rays_0412.pdf
because when I plot 01phi0465.spc, it looks just like that figure. However, when I score it with USRBDX, the result, although has the same shape, is in order of magnitude 10^20 below the source. USRBDX yields differential fluence so how do I convert from differential flux to differential fluence?
do I integrate over time? If yes, what is the total time of observation?
Also, I noticed that the area of the target reported in sum.lis is erroneous:
http://www.fluka.org/web_archive/earchive/new-fluka-discuss/8613.html
and it is in about the same order of magnitude as a difference between the source and what I get with USRBDX, Maybe there is some connection?
thank you,
Roman
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Received on Thu Nov 12 2015 - 07:18:09 CET