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ParamFirst vs. ParamLast [message #9496] Thu, 01 October 2009 16:52 Go to previous message
Tobias Stockmanns is currently offline  Tobias Stockmanns
Messages: 489
Registered: May 2007
first-grade participant
From: *
Dear pandaRooters,

I am playing at the moment with the PndLheKalmanTask and I realized the following problem:

I have simulated a K- and a pi+. After I have fitted the tracks with Genfit I get a PndTrack with the parameters of the track stored for the first and the last point of the track.

Unfortunately for many (but not all) tracks the momentum vector of the track at the beginning and at the end point into the opposite direction (see attached picture).


Does someone of you have encountered a similar problem or knows, what the reason can be?



By the way I am using revision 6386 of pandaRoot
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