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Cross section

by Safinaz
Tags: cross
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Safinaz
#1
Oct20-13, 04:24 AM
P: 59
Hi all,

I'd like to more understand what is the difference between when we draw the differential cross section

## \frac{d \sigma ~ (pb)}{dM ~ (GeV)} ##, when we draw ## \sigma ~ (pb) /bin##

and the total cross section ## \sigma ~ (pb) ## .. I mean for a process like

p p > x x~ (where x is a particle has mx=100 GeV) .. ## \frac{d \sigma ~ (pb)}{dM ~ (GeV)} ##
and ## \sigma ~ (pb) /bin ## VS. mx gives a peak at 100 GeV while ## \sigma ~ (pb) ## gives the variation of ## \sigma ## with mx ..

Bests,
Safinaz
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