Opened 8 years ago
Last modified 8 years ago
#953 new How to
Lepton Isolation cuts
| Reported by: | S. Niyogi | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | |
| Component: | Delphes code | Version: | Delphes 3 |
| Keywords: | lepton isolation | Cc: |
Description
Hi,
I have a query on Lepton isolation cuts in Delphes v 3.2.0. I am generating .hep file using Madgraph and then pass through Delphes to generate root file. While converting I use delphes_card_CMS. My question is: just changing the pTmin or DeltaRMax cuts inside delphes_card_CMS is fine ? Or, I have to make changes inside Isolation.cc code and do $ make again. Is there any way to check that the cuts work ? I am confused since I see the Isolation.cc code, where default pTmin or DeltaRMax are still being used. Any clarification will be appreciated. Thank you.
Saurabh Niyogi
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Those you see in the module are default values that are used if you don't define them in the card. So if you define new ones in the card they will be used. You can check that by setting extreme values and see how the electron/muon/photon collections change accordingly.
Be aware that pTmin is the minimum value for a particle to be part of the isolation variable calculation, not the particle that you want to isolate.