Difference between revisions of "Meeting 27 March 2020"

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ACTION ITEMS
+
'''ACTION ITEMS'''
 +
 
 +
* Analyze recent radiation simulation results
 +
 
 +
* Make an updated Hall A/C CPS sketch (new overall dimensions, weight) for Steve L. and team to check in the model. Make sure all CPS kinematics are available to the engineers/designers. Plan to discuss with the engineering team in April 17 meeting.
 +
 
 +
* Get suggested Hall D CPS configurations (Sean)
 +
 
 +
 
 +
'''SUMMARY NOTES
 +
'''
 +
* Radiation simulations (Gabriel)
 +
::* Pb configuration works in the backward region (<0cm)
 +
::* Tungsten seems the best option for the forward region, but some more tuning may be needed, e.g. more W laterally out to 70cm
 +
::::* See these [https://wiki.jlab.org/cuawiki/images/a/aa/CPS_next_phase.pdf CPS Next Phase] notes for guidance
 +
::* Tungsten may be down to ~1m3
 +
::* Was there a low energy cut applied? What was it?
 +
 
 +
 
 +
* Magnet and CPS design (Bogdan, Thia)
 +
::* Keeping all components on the pivot may be difficult - possible options were discussed with the engineering team. Should check in where they are.
 +
 
 +
::* About 100 tons of lead are available from SLAC. Process has started to ship ~80 tons of lead to JLab. Discussion about storage ongoing with RADCon
 +
 
 +
* Hall D CPS
 +
::* Tagger area in Hall D: should be fine to move permanent magnet downstream and put CPS in that position
 +
::* Weight up to ~150 tons (few square meters) should be fine
 +
::* Need suggested configurations from Sean
 +
 
 +
* TCS: work on checking the impact of magnetic field on low energy (~100 MeV) particles is ongoing
 +
 
 +
 
 +
'''NEXT MEETING: FRIDAY 17 APRIL AT 11:00AM (ET)'''

Latest revision as of 11:27, 28 March 2020

DISCUSSION TOPICS

  • Magnet and shielding
  • Hall D updates
  • Other


ACTION ITEMS

  • Analyze recent radiation simulation results
  • Make an updated Hall A/C CPS sketch (new overall dimensions, weight) for Steve L. and team to check in the model. Make sure all CPS kinematics are available to the engineers/designers. Plan to discuss with the engineering team in April 17 meeting.
  • Get suggested Hall D CPS configurations (Sean)


SUMMARY NOTES

  • Radiation simulations (Gabriel)
  • Pb configuration works in the backward region (<0cm)
  • Tungsten seems the best option for the forward region, but some more tuning may be needed, e.g. more W laterally out to 70cm
  • Tungsten may be down to ~1m3
  • Was there a low energy cut applied? What was it?


  • Magnet and CPS design (Bogdan, Thia)
  • Keeping all components on the pivot may be difficult - possible options were discussed with the engineering team. Should check in where they are.
  • About 100 tons of lead are available from SLAC. Process has started to ship ~80 tons of lead to JLab. Discussion about storage ongoing with RADCon
  • Hall D CPS
  • Tagger area in Hall D: should be fine to move permanent magnet downstream and put CPS in that position
  • Weight up to ~150 tons (few square meters) should be fine
  • Need suggested configurations from Sean
  • TCS: work on checking the impact of magnetic field on low energy (~100 MeV) particles is ongoing


NEXT MEETING: FRIDAY 17 APRIL AT 11:00AM (ET)