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Re: Vertex fitters' problems [message #15028 is a reply to message #15025]

Mon, 29 July 2013 11:11

L. Zotti
Messages: 6
Registered: December 2010

occasional visitor

From: *to.infn.it

Dear All,
after the last modification of the PndChiVtxFitter.cxx
these are the main results that I got.
Resolution on x: 32 micron
index.php?t=getfile&id=7460&private=0

Resolution on y: 54 micron, why is it different from x?
index.php?t=getfile&id=7462&private=0

Resolution on z: 113 micron.
index.php?t=getfile&id=7461&private=0

Chi2 still some negative values: do you have suggestions on how to decide what is the best candidate in case of combinatorials?
index.php?t=getfile&id=7463&private=0

Mass of the D0 before and after the fit: after the fit we got a low number of D0 under the central peak
index.php?t=getfile&id=7464&private=0

Best regards,
Laura

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Attachment: y.png
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Attachment: chi2.png
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Attachment: mass_d0.png
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[Message index]

		Vertex fitters' problems By: StefanoSpataro on Thu, 06 June 2013 12:40
		Re: Vertex fitters' problems By: Ralf Kliemt on Thu, 06 June 2013 13:02
		Re: Vertex fitters' problems By: Simon Reiter on Thu, 06 June 2013 17:09
		Re: Vertex fitters' problems By: StefanoSpataro on Thu, 06 June 2013 17:11
		Re: Vertex fitters' problems By: Ralf Kliemt on Thu, 20 June 2013 15:47
		Re: Vertex fitters' problems By: L. Zotti on Fri, 21 June 2013 18:43
		Re: Vertex fitters' problems By: L. Zotti on Thu, 25 July 2013 16:22
		Re: Vertex fitters' problems By: StefanoSpataro on Fri, 26 July 2013 13:26
		Re: Vertex fitters' problems By: StefanoSpataro on Fri, 26 July 2013 14:48
		Re: Vertex fitters' problems By: Simon Reiter on Fri, 26 July 2013 14:55
		Re: Vertex fitters' problems By: L. Zotti on Mon, 29 July 2013 11:11

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