How to add cuts to constrain b quark's number in final state.
Asked by
yinxinyue
HI!
I'm using MG5_aMCv2.7.3 generate a process p p > t t~ t t~ ,( t > b w+ , w+ > l+ vl ) ,( t~ > b~ w- , w- > l- vl~ ).
I need at least 3 b quark (or b jet) in final state, but I can,t find cuts to constrain b quark's (or other particle's ) number in run_card.dat.
So I'm trying to add some cuts in cuts.f, but it didn't work and even crashed.
This is the cuts I was added in cuts.f
integer nb, ni
nb=0
do ni=nincoming+
nb=nb+1
return
endif
endif
enddo
Any suggestions will be appreciated.
THANKS!!!!!!!!!!
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- Solved by:
- Olivier Mattelaer
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