NLO Events for multiple Born Flavor Structures

[cweiss]

Now that ISR NLO works with weighted event generation, we have to address the problem of multiple Born flavors.

For a LO simulation, the flavor written to the HepMC file is generated in evt_trivial_make_particle_set, according to the flavor weights stored in the state matrices. We have to emulate a similar behavior for evt_nlo.

This requires a restructuring of the event generation algorithm (of evt_nlo), which currently loops over all n_phs * n_flv configurations and writes one event for each, sequentially. This sequentiality has to be removed, and the event generation has to happen after the computation of weights.

[Juergen Reuter]

Milestone renamed

[Juergen Reuter]

Milestone renamed