weight tags?

[ibrivio]

Dear Delphes authors,

I am actually not sure whether this is a Delphes or Pythia issue, but you can probably help me: I'm generating events with madgraph and their reweight module, and I end up with a large number (~60) of weights per event at the LHE level.

Then I run pythia and delphes, but somewhere in this process the weight tags get lost and, on top of that, the weights are clearly reshuffled wrt the LHE ordering. So figuring out which weight is which is nearly impossible and requires playing an absurd game of associations.

do you know if there's a way of identifying the weights from the root file that comes out of delphes in a smarter way?

thank you very much for your help!

ilaria