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Vertex fitter in pandaroot??? [message #12000]

Mon, 13 June 2011 11:13

Dima Melnychuk
Messages: 213
Registered: April 2004
Location: National Centre for Nucle...

first-grade participant

From: *fuw.edu.pl

Dear colleagues,

I want to clarify for myself which vertex fitter should I use in analysis in pandaroot.

In /PndTools/AnalysisTools/Fitter/ directory there is a list of different fitters.

I tried the PndKinVtxFitter but I want to make sure that it's the most suitable.

Could Klaus Goetzen and Ralf Kliemt comment on it?

Dima

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Re: Vertex fitter in pandaroot??? [message #12007 is a reply to message #12000]

Wed, 15 June 2011 09:35

Klaus Götzen
Messages: 293
Registered: June 2006
Location: GSI

first-grade participant

From: *adsl.alicedsl.de

Hi Dima,

when I tested the fitters for the collaboration meeting in December, the PndKinVtxFitter was the one with the most reasonable results. However, the PndVtxFitter also seemed to work. The only one which showed weird results was the PndChiVtxFitter.

Unfortunately a real validation (whether pull is correct etc) is still missing for the fitters. I plan to do that, but I can't promise when.

Best,
Klaus

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