AFB: Cos(theta) values.
Asked by
daniel camargo
Hey guys,
I´m trying to calculate the forward-backward asymmetry in some models with Z-primes. It is supposed to be smooth, but I did not found it after generate the events with MG5 for two regions assuming |cos(theta)| <0 (backward) and |cos(theta)| > 0 (forward) and subtract them.... My guess is that the integrals in the FWD/BWD regions do not use the same |cos(theta)| value. It is possible to check by dumping the value of cos(theta) in two separate files and see whether they only differ by a sign? Or any hint in order to have a smooth AFB?
Thanks!
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