Difference between revisions of "GlueX Start Counter Meeting, February 24, 2011"

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(Minutes)
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=Minutes=
 
=Minutes=
  
Start Counter Meeting, 2/24
+
Present:
 +
* '''FIU''': Lei Guo
 +
* '''JLab''': Mark Ito (chair), Sascha Somov
  
group disk has 100 GB
+
We had a brief meeting...
  
sascha mark
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==Start Counter Status==
lei
+
  
got the new scintillators
+
Lei gave us a report:
eljen sent 5 pieced, just arrived
+
60 cm 15 mm 3 mm
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Erik starting to look at new amplifier, better rise time
+
30 paddle configuration
+
resolution 1.5 worse for SiPM, 400-500 ps
+
  
SiPM timing resolution here, with Vitaly Baturin
+
* New scintillators from Eljen just arrived. There are 5 pieces, 60 cm x 15 mm x 3 mm, appropriate for a 30 paddle configuration.
getting SiPM from Carl
+
* Eric Pooser has started looking at a new amplifer that should have higher bandwidth than the one they were using before.
  
fundamental question
+
Sasha mentioned that he is planning to work with Vitale Barutin, who is working on the CLAS12 central TOF, to charactize time resolution for the Hamamatsu SiPM's. Vitale has a set up in the EEL at JLab that is suitable for the study.

Revision as of 17:56, 25 February 2011

Location, Time

Thursday, February 24, 2011
3:30 pm EST
JLab: CEBAF Center, Room F326/7

Agenda

  1. Announcements
  2. Review minutes from previous meeting: all
  3. Start Counter News: Werner, Lei, Eric
  4. MOU plans: all

Communication Information

Telephone

To connect by telephone:

  1. dial:
  2. enter access code followed by the # sign: 3421244#

Video Conferencing

Slides

Talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2011-1Q on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2011-1Q/ . You have to be a member of the "halld" Unix group to do this.

Minutes

Present:

  • FIU: Lei Guo
  • JLab: Mark Ito (chair), Sascha Somov

We had a brief meeting...

Start Counter Status

Lei gave us a report:

  • New scintillators from Eljen just arrived. There are 5 pieces, 60 cm x 15 mm x 3 mm, appropriate for a 30 paddle configuration.
  • Eric Pooser has started looking at a new amplifer that should have higher bandwidth than the one they were using before.

Sasha mentioned that he is planning to work with Vitale Barutin, who is working on the CLAS12 central TOF, to charactize time resolution for the Hamamatsu SiPM's. Vitale has a set up in the EEL at JLab that is suitable for the study.