Is the cross-section and helicity calculated in the lab frame or the centre-of-mass frame of the partons ?
Asked by
Songshaptak De
I have two queries ->
Firstly, is the cross-section shown in the .lhe files calculated in the lab frame or the center of mass frame of the partons ?
Secondly, does the SPINUP variable store the value of helicity in the lab frame or the centre of mass frame of the partons ?
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- Solved by:
- Olivier Mattelaer
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