| Using RKTrackRep in the Kalman [message #15002] |
Tue, 23 July 2013 15:51  |
StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
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first-grade participant |
From: 2.235.190*
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Dear all,
I added the possibility to use different track representations in the Kalman Filter/Daf.
By default GeaneTrackRep is used (tracrep = 0).
If you modify your reco macro adding the following line:
recoKalman->SetTrackRep(1);
you can use RKTrackRep (tracrep = 1).
I have done quick studies simulating 1000 muons in the central tracker ( 20° < theta < 120°), mvd+stt+gem.
At 1 GeV/c, reconstructed momentum distribution (red GeaneTrackRep, blue RKTrackRep):
At 0.5 GeV/c, reconstructed momentum distribution (red GeaneTrackRep, blue RKTrackRep):
The results are similar, then the track representation seems to work. The results are better for GeaneTrackRep.
I did not check yet the forward tracking.
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Attachment: comp1.gif
(Size: 8.12KB, Downloaded 644 times)
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Attachment: comp05.gif
(Size: 7.82KB, Downloaded 590 times)
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