GlueX Start Counter Meeting, September 22, 2011
10 am EDT
JLab: CEBAF Center, Room F326/7
Agenda
- Announcements
- Review minutes from previous meeting: all
- Prototype Report
- MOU status
- Simulation Status [1]
Communication Information
Video Conferencing
- ESNet: 8542553
- EVO:
- Meeting URL: http://evo.caltech.edu/evoNext/koala.jnlp?meeting=292I2iMeMB9M9nDD9aD9
- Phone Bridge ID: 10 1295
Slides
Talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2011-3Q
on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2011-3Q/ . You have to be a member of the "halld" Unix group to do this.
Minutes
Start Counter Meeting Minutes
lei, eric, puneet
tim, chuck, beni, eugene, mark
looking at new scint from eljen, a factor of 4 worse attenuation length poor surface quality w/ w/o vm2000 light output unchanged in nose time resolution gets better closer to upstream end sipm range 230 ps to about 600 ps no light guide 13x13 mm, 2mmx3mm not touching
mechanical design hand-layout of putting sipm inside bore of CDC we can fit need 24 3 inches: 24 10+ inches: 28 10+ inches: whatever
scintillating fibers
4cm
200 kHz/paddle at high luminosity
simulation
problem with placement of SiPM