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PID-TOF subgroup meeting GSI December 2008 [message #7556] Mon, 24 November 2008 12:44 Go to next message
Carsten Schwarz is currently offline  Carsten Schwarz
Messages: 288
Registered: March 2004
first-grade participant
From: *gsi.de
Dear colleagues,

the PANDA-collaboration meeting at GSI approaches and there is
a PID-TOF subgroup meeting at Monday, Dezember 8th, at 14:00h
in the KP3 seminar room (SB3 4.161).

If you cannot attend the meeting, there will be the possibility
to join by EVO, the password will be fasttiming

If tou intend to give a presentation, please, tell me the time needed and the title.

Although the PID-TOF takes care about forward and target
spectrometer, the main topic is this time the barrel TOF implemented either as RPC or scintillator counter. To remind
you the requirements from the PANDA wiki page
(http://panda-wiki.gsi.de/cgi-bin/viewauth/Tof/WebHome):

Finding the detector requirements from the physical program is the task of the PID-TAG group. See there for details.

Timing information for the target spectrometer is helpful for PID and for cleaning up of events. For the first an excellent
time resolution in the order of 100 ps is needed, while for
the latter a relaxed timing resolution of about 1 ns is sufficient.

The material budget should be kept as low as possible in
order not produce too many electron showers. Theses showers deteriorate the electron-pion separation capabilities of the EMC. The barrel DIRC has an (perpendicular) radiation length of 17% and causes in forward direction up to 30% of showers. 50% of these showers can be identified in the DIRC itself by detection of ambient light in addition to the directed Cherenkov photons. These numbers indicate a upper threshold of the TOF material budget of 10% and less.

My best regards,
Carsten Schwarz







Re: PID-TOF subgroup meeting GSI December 2008 [message #7595 is a reply to message #7556] Tue, 02 December 2008 13:49 Go to previous messageGo to next message
Carsten Schwarz is currently offline  Carsten Schwarz
Messages: 288
Registered: March 2004
first-grade participant
From: *gsi.de
Dear colleagues,

up to now I have as only contribution

Alexander Akindinov, "ITEP contribution to PANDA TAG-TOF project in 2008" 15-20 minutes

and a transparancy from Vladimi Vikhrov about a scintillator barrel.


Do you intend to present something via the EVO meeting? Please tell me to make the meeting more manageable.

My best regards,
Carsten Schwarz
Re: PID-TOF subgroup meeting GSI December 2008 [message #7611 is a reply to message #7556] Fri, 05 December 2008 17:18 Go to previous message
Carsten Schwarz is currently offline  Carsten Schwarz
Messages: 288
Registered: March 2004
first-grade participant
From: *dip0.t-ipconnect.de
Dear colleagues,

please find the agenda of the PID-TOF subgroup meeting at next Monday on our meeting server (PANDA web-pages).

See you Monday
Carsten
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