how to generate polarized top quark
Hi,
I wanted to generate p p > t(right-handed) t~(right-handed), so I tried this.
(I referred to https:/
generate p p > t t~
output lhtop
after changing SubProcesses/
before:
DATA (NHEL(I, 2),I=1,4) /-1,-1,-1,-1/
DATA (NHEL(I, 3),I=1,4) /-1,-1, 1, 1/
DATA (NHEL(I, 4),I=1,4) /-1,-1, 1,-1/
DATA (NHEL(I, 5),I=1,4) /-1, 1,-1, 1/
DATA (NHEL(I, 6),I=1,4) /-1, 1,-1,-1/
DATA (NHEL(I, 7),I=1,4) /-1, 1, 1, 1/
DATA (NHEL(I, 8),I=1,4) /-1, 1, 1,-1/
DATA (NHEL(I, 9),I=1,4) / 1,-1,-1, 1/
DATA (NHEL(I, 10),I=1,4) / 1,-1,-1,-1/
DATA (NHEL(I, 11),I=1,4) / 1,-1, 1, 1/
DATA (NHEL(I, 12),I=1,4) / 1,-1, 1,-1/
DATA (NHEL(I, 13),I=1,4) / 1, 1,-1, 1/
DATA (NHEL(I, 14),I=1,4) / 1, 1,-1,-1/
DATA (NHEL(I, 15),I=1,4) / 1, 1, 1, 1/
DATA (NHEL(I, 16),I=1,4) / 1, 1, 1,-1/
DATA IDEN/256/
INTEGER NCOMB
PARAMETER ( NCOMB=16)
after:
DATA (NHEL(I, 1),I=1,4) /-1,-1, 1, 1/
DATA (NHEL(I, 2),I=1,4) /-1, 1, 1, 1/
DATA (NHEL(I, 3),I=1,4) / 1,-1, 1, 1/
DATA (NHEL(I, 4),I=1,4) / 1, 1, 1, 1/
DATA IDEN/256/
INTEGER NCOMB
PARAMETER ( NCOMB=4)
launch
shower = Pythia8
detector = Delphes
madspin = ON
reweight = OFF
done
./lhtop/
done
I checked the result, but I think the helicity wasn't reflected. Is there something wrong in my procedure?
Thanks,
Seulgi
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