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Re: Update Notes [message #14924 is a reply to message #14913] Thu, 04 July 2013 07:33 Go to previous messageGo to previous message
Ralf Kliemt is currently offline  Ralf Kliemt
Messages: 500
Registered: May 2007
Location: GSI, Darmstadt
first-grade participant

From: *gsi.de
Hi Stefano.

Yes.


To explain it in more detail:
Upon the first FillList in one event the MC Truth tree is built and each final state particle (the measurtement) will get the McTruth object assigned.
The McTruthMatch checkes the properties of the Reconstructed particle and the McTruth. Furthermore the intermediate particles form the decay tree (built up with Combine()) are checked, too. The bool value being returned tells if the match was successful. Matching composites will then have a valid McTruth pointer as well.

Ralf
 
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