ttbar signal events confirmation
Hi,
I wanted to confirm that are the following commands correct for generating ttbar signal (p p >t t~) decaying through leptonic, semi-leptonic and hadronic channels: (I am copying a part of proc_card here)
import model sm
define p = g u c d s u~ c~ d~ s~
define j = g u c d s u~ c~ d~ s~
define l+ = e+ mu+
define l- = e- mu-
define vl = ve vm vt
define vl~ = ve~ vm~ vt~
define pp = d s
define jj = u~ c~
define ppp = d~ s~
define jjj = u c
define ll+ = e+ mu+ ta+
define ll- = e- mu- ta-
generate p p > t t~, (t > w+ b, w+ > ll+ vl), (t~ > w- b~, w- > ll- vl~)
add process p p > t t~, (t > w+ b, w+ > ppp jjj), (t~ > w- b~, w- > pp jj)
add process p p > t t~, (t > w+ b, w+ > ppp jjj), (t~ > w- b~, w- > ll- vl~)
add process p p > t t~, (t > w+ b, w+ > ll+ vl), (t~ > w- b~, w- > pp jj)
output ttbar_f
Please let me know if there are issues with these commands. Are the final events generated taking the appropriate branching ratios into account or should I generate each decay channel separately?
Thanking you
Krunal
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