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Re: Update on eta_c reconstruction with STT and TPC [message #12143 is a reply to message #12125] Mon, 27 June 2011 13:57 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *to.infn.it
Hi,
I have tried to run some events using your reco macro w/o MCTrackAssociator (which does not work with tpc), but I have the following crash:

GEANE propagation failed
in line: 305 in file: /home/spataro/may11/pandaroot/GenfitTools/trackrep/GeaneTrackRep/GeaneTrackRep.cxx
with fatal flag 0
GFException thrown with excString:
GeaneTrackRep: PROTECT AGAINST LOW MOMENTA
in line: 178 in file: /home/spataro/may11/pandaroot/GenfitTools/trackrep/GeaneTrackRep/GeaneTrackRep.cxx
with fatal flag 0
RKTrackRep::RKutta ==> momentum too low: 2.38612 MeV
GFException thrown with excString:
RKTrackRep::Extrap ==> Runge Kutta propagation failed
in line: 997 in file: /home/spataro/may11/pandaroot/GenfitTools/trackrep/RKTrackRep/RKTrackRep.cxx
with fatal flag 0
PndTpcRiemannTrackingTask::Exec; Event Number: 131
RKTrackRep::setPDG particle -22 not known to TDatabasePDG -> abort



I don't know which code is using RKTrackRep, instead of GeaneTrackRep, and why -22 is used as pid hypothesis! I think we should use a standard hyp for the kalman and not the MC one, i.e. pion or muon.

I don't know hot to proceed after this crash, help from experts is required.

 
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