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Re: Reco Hit for TpcCluster [message #8306 is a reply to message #8295] Mon, 27 April 2009 10:59 Go to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *
I have compared the results of genfit using tpc+mvd, 1000 muons at 1GeV/c.
Here you are the momentum distributions, with the two different RecoHits:


The results are quite stable, if I fit the two peaks with a gaussian from 0.9 to 1.1, I obtain:

Planar: sigma 10.5 MeV/c, chi2/ndf = 1.3
SPHit: sigma 10.2 MeV/c, chi2/ndf = 1.5

Let's say they are almost comparable.
However, I will commit the code using the official PndTpcSPHit.

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