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Re: Dirc+TOF [message #7179 is a reply to message #7178]

Wed, 06 August 2008 13:16

asanchez
Messages: 350
Registered: March 2006

first-grade participant

From: *gsi.de

Hi Stephano, i see you are using the Phi value you get by extrapolating to the tof radius for calculating the path length
in the XY plane. Be careful because in this way you are assuming that all particles are primaries, (coming from the vertex).

Is it not better to take the difference between the phi value in tof and the first hit of the track?

If you do that you will consider also the particles
which are secondaries(decay products).

best regards
Alicia.

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[Message index]

		Fix in lhetrack By: StefanoSpataro on Thu, 10 April 2008 10:57
		Update of lhetrack By: StefanoSpataro on Thu, 10 April 2008 19:25
		Re: Update of lhetrack By: StefanoSpataro on Fri, 11 April 2008 16:18
		Pid with lhetrack By: StefanoSpataro on Thu, 17 April 2008 19:39
		Re: Pid with lhetrack By: asanchez on Fri, 18 April 2008 10:50
		Re: Pid with lhetrack By: StefanoSpataro on Fri, 18 April 2008 11:27
		Re: Pid with lhetrack By: Sebastian Neubert on Fri, 18 April 2008 11:39
		Re: Pid with lhetrack By: StefanoSpataro on Fri, 18 April 2008 11:52
		Re: Pid with lhetrack By: Viola Michael on Fri, 18 April 2008 12:12
		Re: Pid with lhetrack By: Sebastian Neubert on Fri, 18 April 2008 12:20
		Re: Pid with lhetrack By: StefanoSpataro on Tue, 22 April 2008 20:25
		Re: Update of lhetrack By: asanchez on Wed, 07 May 2008 14:03
		Re: Update of lhetrack By: StefanoSpataro on Thu, 29 May 2008 19:51
		Re: Update of lhetrack By: StefanoSpataro on Fri, 06 June 2008 18:03
		Re: Update of lhetrack By: StefanoSpataro on Fri, 01 August 2008 18:30
		Dirc+TOF By: StefanoSpataro on Wed, 06 August 2008 12:02
		Re: Dirc+TOF By: asanchez on Wed, 06 August 2008 13:16
		Re: Dirc+TOF By: StefanoSpataro on Wed, 06 August 2008 13:52
		Re: Dirc+TOF By: asanchez on Wed, 06 August 2008 14:09
		Re: Dirc+TOF By: asanchez on Wed, 06 August 2008 14:42
		Re: Dirc+TOF By: StefanoSpataro on Wed, 06 August 2008 18:45
		STT in lhetrack By: StefanoSpataro on Thu, 07 August 2008 17:17
		Re: STT in lhetrack By: StefanoSpataro on Tue, 23 September 2008 16:53
		Kalman in lhetrack By: StefanoSpataro on Fri, 26 September 2008 16:50
		Ferrara tutorial bug By: StefanoSpataro on Thu, 09 October 2008 17:06
		Bug fix in geane By: StefanoSpataro on Fri, 24 October 2008 09:44

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