| Condition for tracks to hit FWD EMC [message #19678] |
Thu, 06 October 2016 15:58  |
pandachris
Messages: 1
Registered: August 2015
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occasional visitor |
From: *ikp.kfa-juelich.de
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Dear all,
in the file PndPidEmcInfo.cxx, there is a condition saying
if ((emcModule == 3) && (helix->GetZ() < 165.))
continue; // consider tracks only from last gem plane for FWD
This basically ensures that tracks without a hit in the last GEM plane are not considered to constitute pidChargedCandidates.
However, even if tracks have only STT/MVD hits, they can still pass between the gap of GEM and EMC barrel and produce a cluster in the EMC forward detector. Therefore I would consider this condition redundant.
Is there any reason for this that I do not see or can it be removed?
Thanks and all best,
Chris
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