Difference between revisions of "GlueX TOF Meeting, December 20, 2012"

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(Created page with "GlueX TOF Meeting<br> Thursday, December 20, 2012<br> 10:00 am EDT<br> JLab: CEBAF Center, F326<br> <!-- room reservation good through 6/20/2013 --> =Agenda= # Announcements # ...")
 
(notes as minutes)
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Talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2012-4Q</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2012-4Q/ .
 
Talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2012-4Q</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2012-4Q/ .
 +
 +
=Minutes=
 +
 +
New Note 28
 +
 +
pmt testing
 +
4 undergraduates working on the testing
 +
130 pmts
 +
100% tested with led, single pe
 +
all done fine
 +
70% tested with americium source
 +
10% measureed with Cs- sodium iodide crystal
 +
3 batches received and tested
 +
 +
esr 1 mil thick
 +
purchase order sent
 +
expect to receive in january
 +
no adhesive layer will be attached
 +
 +
received 6 scintillator bars
 +
2 regular 2 narrow and 2 short
 +
 +
some bars are out of tolerance by 1 or two mils above 5 mil tolerance
 +
 +
working on 3rd batch
 +
produced 76 normal bars
 +
1/8" inch short , 12 of them
 +
not accepted yet
 +
 +
sasha setting up for scintillator measurements
 +
put into dark box
 +
spring loaded mechanism to hold pmts
 +
Sr source at various points,
 +
get adc and tdc
 +
light output spectrum a mystery
 +
 +
all parts made for mini-tof
 +
mid january start gluing,
 +
finish tresting this week
 +
start early january gluing
 +
ESR
 +
 +
chuck is putiing mini tof ideas into final design
 +
 +
Chuck thinks eyes-on would be a good idea.

Revision as of 12:12, 20 December 2012

GlueX TOF Meeting
Thursday, December 20, 2012
10:00 am EDT
JLab: CEBAF Center, F326

Agenda

  1. Announcements
  2. Review of last TOF bi-weekly meeting
  3. Mechanical design
    1. MiniTOF
    2. TOF Gluing Fixture
    3. TOF Module Wrapper
  4. PMT testing
  5. Contract status
  6. Calibration and Alignment
  7. Technical Design Report contribution

Communication

Videoconference

  1. ESNet: 8542553
  2. EVO: EVO site

Slides

Talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2012-4Q on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2012-4Q/ .

Minutes

New Note 28

pmt testing 4 undergraduates working on the testing 130 pmts 100% tested with led, single pe all done fine 70% tested with americium source 10% measureed with Cs- sodium iodide crystal 3 batches received and tested

esr 1 mil thick purchase order sent expect to receive in january no adhesive layer will be attached

received 6 scintillator bars 2 regular 2 narrow and 2 short

some bars are out of tolerance by 1 or two mils above 5 mil tolerance

working on 3rd batch produced 76 normal bars 1/8" inch short , 12 of them not accepted yet

sasha setting up for scintillator measurements put into dark box spring loaded mechanism to hold pmts Sr source at various points, get adc and tdc light output spectrum a mystery

all parts made for mini-tof mid january start gluing, finish tresting this week start early january gluing ESR

chuck is putiing mini tof ideas into final design

Chuck thinks eyes-on would be a good idea.

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