Check wrong JPsi sample

JPsiToMuMu_2MuPEtaFilter_7TeV-pythia6-evtgen/AODSIM/PU_S4_START42_V11-v1

first file locally:

/data/argiro/JPsiToMuMu_2MuPEtaFilter_7TeV-pythia6-evtgen/store/mc/Summer11/JPsiToMuMu_2MuPEtaFilter_7TeV-pythia6-evtgen

command

Events.Draw("recoGenParticles_genParticles__HLT.obj.mass_","recoGenParticles_genParticles__HLT.obj.pdgId_==20443")

(pdgid=20443 is chi_c1)

gdb CMSSW

It might be necessary to do

scram tool info python
and set

PYTHONHOME to the value of PYTHON_BASE reported by scram


Catch exceptions:

gdb --args cmsRun conf.py
catch throw
run

fare cont finche si entra nel event loop