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Home » PANDA » PandaRoot » Analysis » [FIXED] Mc Truth Match
Re: Mc Truth Match [message #15331 is a reply to message #15329] Fri, 23 August 2013 13:19 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
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From: 2.235.190*
Once you merge more than 1 algorithm, if one algorithm is not able to provide a selection (prob = 0.2), the 2nd algorithm will provide a number and in the pid moltiplication the 2nd will win. In this sense the track has not to be rejected (i.e. an emc algorith w/o emc signal).

If you multiply the ideal algo with a real algo, you can do purity/eficiecny calculation in an easy way. For this reason we decided to set the prob at 0.2 and not to exclude them.
 
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