difference in cross-section between MG5 value and analytical value
Asked by
Deepanjali Goswami
Dear experts ,
I have a query in the model (Type II seesaw model + Inert Doublet model ). When I generate process in MG5 ,
p p > D++ D- , (D++ > H+ H+, H+ > j j H0, H+ > l+ vl H0), ( D- > H- H0, H- > l- vl H0),
cross section comes out to be very small ~ 10^{-45} fb by using MG5. But analytical value of cross section is a few fb.
May I ask you what may be the reason for the error.
Thanks and sincerely,
Deepanjali
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