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Re: Vertex fitter for two consecutive decays [message #17579 is a reply to message #17577]

Tue, 25 November 2014 12:05

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *to.infn.it

Why not? A neutral track has a momentum, a direction, and a covariance matrix, you can variate such parameters to find better values, moreover adding a charged track you can find the PVA point, thus finding the production point of the charged.
I think this is a feature missing in the code, but this is possible to implement.

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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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