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Re: GEM tracking [message #8325 is a reply to message #8324]

Tue, 28 April 2009 18:22

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *to.infn.it

Hi,
just a question: which momentum resolution are you giving at the beginning (I am not speaking about the smearing, just the momentum error).
Because I had a similar problem, and then I have found that I was setting the error to zero -> there was no fitting at all. Then I have started to put a 10% as initial momentum error, and the fitter started to fit Smile

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[Message index]

		GEM tracking By: Radoslaw Karabowicz on Tue, 14 April 2009 13:09
		Re: GEM tracking By: Anonymous Poster on Tue, 14 April 2009 17:51
		Re: GEM tracking By: Radoslaw Karabowicz on Tue, 14 April 2009 18:06
		Re: GEM tracking By: Ralf Kliemt on Wed, 15 April 2009 11:47
		Re: GEM tracking By: Anonymous Poster on Wed, 15 April 2009 13:01
		Re: GEM tracking By: Radoslaw Karabowicz on Wed, 15 April 2009 16:03
		Re: GEM tracking By: Anonymous Poster on Mon, 27 April 2009 11:56
		Re: GEM tracking By: Radoslaw Karabowicz on Tue, 28 April 2009 18:11
		Re: GEM tracking By: StefanoSpataro on Tue, 28 April 2009 18:22
		Re: GEM tracking By: Radoslaw Karabowicz on Wed, 29 April 2009 09:55
		Re: GEM tracking By: Radoslaw Karabowicz on Wed, 29 April 2009 11:51
		Re: GEM tracking By: Radoslaw Karabowicz on Thu, 30 April 2009 11:55
		Re: GEM tracking By: StefanoSpataro on Thu, 30 April 2009 12:11
		Re: GEM tracking By: Anonymous Poster on Thu, 30 April 2009 12:12
		Re: GEM tracking By: Radoslaw Karabowicz on Thu, 30 April 2009 15:52
		Re: GEM tracking By: Anonymous Poster on Thu, 30 April 2009 18:26
		Re: GEM tracking By: Radoslaw Karabowicz on Thu, 04 June 2009 18:10
		Re: GEM tracking By: Radoslaw Karabowicz on Thu, 25 June 2009 16:22
		Re: GEM tracking By: Johan Messchendorp on Fri, 26 June 2009 08:53

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