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Re: Vertex fitter for two consecutive decays [message #17574 is a reply to message #17572]

Tue, 25 November 2014 12:00

Ralf Kliemt
Messages: 508
Registered: May 2007
Location: GSI, Darmstadt

first-grade participant

From: *gsi.de

Hi Karin,

The Lambda is a neutrlly charged particle. Our fitters cannot create avalid Helix & Covariance from that.
Since the Xi does fly some distance my only suggestion is you try and make an analytical helix-line point-of-closest-approach finder by hand.

Cheers
Ralf

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[Message index]

		Vertex fitter for two consecutive decays By: Karin Schönning on Tue, 25 November 2014 11:49
		Re: Vertex fitter for two consecutive decays By: Ralf Kliemt on Tue, 25 November 2014 12:00
		Re: Vertex fitter for two consecutive decays By: Klaus Götzen on Tue, 25 November 2014 12:01
		Re: Vertex fitter for two consecutive decays By: Karin Schönning on Tue, 25 November 2014 12:04
		Re: Vertex fitter for two consecutive decays By: StefanoSpataro on Tue, 25 November 2014 12:05
		Re: Vertex fitter for two consecutive decays By: Karin Schönning on Tue, 25 November 2014 12:18

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