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Home » PANDA » PandaRoot » Analysis » [FIXED] Mc Truth Match
Re: Mc Truth Match [message #15274 is a reply to message #15272] Tue, 20 August 2013 16:34 Go to previous messageGo to previous message
Klaus Götzen is currently offline  Klaus Götzen
Messages: 293
Registered: June 2006
Location: GSI
first-grade participant
From: *gsi.de
Hi,


I think the basic problem for a perfect MC match is, that there is none! Sometimes reconstructed objects cannot by unambiguously assigned to MC truth objects, since a track candidate or cluster might consist of hits created by different particles.

This means, that a measured efficiency not only has a statistic error, but a systematic one in addition due to the imperfect assignment of the truth. We just don't care about it for the time being...


Best,
Klaus
 
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