We generate WZ events using mcfm. We then define transverse mass to be:
sqrt( sum(scalar pt)^2 - sum(vector pt)^2 )

In the limit of massless particles ( a reasonable limit for electrons, muons, and neutrinos) this is a reasonable definition of transverse mass of a 4 particle final state.

-- FkW - 29 Jan 2007

Topic revision: r1 - 2007/01/29 - 18:12:45 - FkW
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