Difference between revisions of "GlueX Target Meeting, December 21, 2010"

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(→‎Agenda: add schedule review and link)
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[http://evo.caltech.edu EVO]: [http://evo.caltech.edu/evoNext/koala.jnlp?meeting=MDMaM82a2lDlDu9a98D99D direct meeting link], phone bridge ID: 269 1668<br>
 
[http://evo.caltech.edu EVO]: [http://evo.caltech.edu/evoNext/koala.jnlp?meeting=MDMaM82a2lDlDu9a98D99D direct meeting link], phone bridge ID: 269 1668<br>
 
'''Slides''': talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2010-12</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2010-12/ .
 
'''Slides''': talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2010-12</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2010-12/ .
 +
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=Minutes=
 +
 +
Target Meeting, 12/21
 +
 +
20-30W at 24 K hydrogen
 +
use 5 W in Hall B
 +
hallB heater 2-3 W
 +
typical 19 K, 3 psi over atmosphere, supercooled for no bubbles
 +
1.5 W at 4 K for helium
 +
 +
helium 3 require more power
 +
 +
starting this spring Chris will put some effort
 +
 +
• gas system
 +
• refrigerator system
 +
• heat transfer
 +
 +
Chris: contact physicist to be able to operate target without adult supervision
 +
 +
Hovanes: controls
 +
 +
right now swamped with polarized target for hall a
 +
 +
putting things into change request, including cost estimate
 +
 +
starting with flow for saclay target; probably can be simpler
 +
 +
in halls a and c minimize automated valves
 +
 +
rely on mechanical controls
 +
 +
re-work schedule and costs, part of ETC

Revision as of 15:24, 21 December 2010

Location, Time

Tuesday, December 21, 2010
1:30 pm EST
JLab: CEBAF Center, Room F326

Agenda

  1. Review minutes from previous meeting: all
  2. Refrigerator plans: Chris, Tim
  3. Schedule review: all
  4. MOU Status: Mark

Communication

Conference Group, US: 800-377-8846, Canada: 888-276-7715, International: 302-709-8424
   participant code: 77438230
ESNet: 8542553
EVO: direct meeting link, phone bridge ID: 269 1668
Slides: talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2010-12 on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2010-12/ .

Minutes

Target Meeting, 12/21

20-30W at 24 K hydrogen use 5 W in Hall B hallB heater 2-3 W typical 19 K, 3 psi over atmosphere, supercooled for no bubbles 1.5 W at 4 K for helium

helium 3 require more power

starting this spring Chris will put some effort

• gas system • refrigerator system • heat transfer

Chris: contact physicist to be able to operate target without adult supervision

Hovanes: controls

right now swamped with polarized target for hall a

putting things into change request, including cost estimate

starting with flow for saclay target; probably can be simpler

in halls a and c minimize automated valves

rely on mechanical controls

re-work schedule and costs, part of ETC

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