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Re: MC-truth match in a 7-photon final state [message #23007 is a reply to message #22975] Tue, 02 October 2018 14:05 Go to previous messageGo to previous message
Christian Will is currently offline  Christian Will
Messages: 4
Registered: September 2018
occasional visitor
 From: *physik.uni-giessen.de
Ok, just to make sure I understand what you're saying:

If the MC-match of my particle of interest is not correct, I iterate through all 7 gammas and check if they are actually a e+ or e- according to MC. If yes, I walk the decay tree up starting from this particle and check if at some point a mother particle is a gamma of my original decay tree.

Also, a follow-up question which came to my mind: which MC-id does a candidate receive that is reconstructed as one particle but actually consists of two particles which cannot be resolved?
E.g. a gamma as reconstructed particle in the EMC which was actually a high-momentum e+e- pair (without tracks).

Thanks so far,
Christian

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