Difference between revisions of "Thursday, February 27, 2014 2:30pm EST - Compton"
From Hall A Wiki
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| Line 34: | Line 34: | ||
### Just photon okay for DVCS (don't want to break anything :)) | ### Just photon okay for DVCS (don't want to break anything :)) | ||
### actuators for optics (after laser is running) | ### actuators for optics (after laser is running) | ||
| + | ### with 12 GeV, green won't fit in beampipe at 12 GeV - redesign e- det can | ||
| + | ### small slot - French connection? - redesigned? | ||
| + | ### last real-world experience - power 5kW? - mirrors degrade in tunnel | ||
## DAQ (Bob/Alex) | ## DAQ (Bob/Alex) | ||
### put computer back in counting house | ### put computer back in counting house | ||
| Line 41: | Line 44: | ||
#### trigger supervisor, event triggered DAQ | #### trigger supervisor, event triggered DAQ | ||
#### PREX won't use e- det - flash ADC with photon det | #### PREX won't use e- det - flash ADC with photon det | ||
| − | |||
## photon detector (Greg/Vahe) | ## photon detector (Greg/Vahe) | ||
| − | ## electron detector (Juliette/Dipangkar) | + | ### analyzing power factor of 2 with green laser |
| + | ### with GSO photon energy is not as much of a factor | ||
| + | ### photon used for DVCS | ||
| + | ## electron detector (Juliette/Dipangkar) | ||
| + | ### | ||
## magnetic field mapping (Kent) | ## magnetic field mapping (Kent) | ||
| + | ### | ||
## beamline status/accelerator schedule (Alex) | ## beamline status/accelerator schedule (Alex) | ||
| + | ### | ||
### DVCS in the fall | ### DVCS in the fall | ||
| − | ## Synchrotron light at 12 GeV running | + | ### 12 GeV halo bigger |
| − | # | + | ### Synchrotron light at 12 GeV running |
| − | # | + | # consequences of restructuring |
| + | # next meeting time | ||
<br><br> Return to [[Compton]] | <br><br> Return to [[Compton]] | ||
Revision as of 16:04, 27 February 2014
Previous meeting: Tuesday, December 10, 2013 11am EST - Compton
Tentative Agenda
- Updates
- laser (Kent)
- DAQ (Bob/Alex)
- photon detector (Greg/Vahe)
- electron detector (Juliette/Dipangkar)
- magnetic field mapping (Kent)
- beamline status/accelerator schedule (Alex)
- consequences of restructuring (Dave/Thia)
- Next meeting time
Minutes
Attending: Juliette, Dustin, Dave, Alex, Brian, Greg, Kent
- Updates - Near term and long term goals, mostly near term (DVCS, PREX/CREX)
- laser (Kent -> Dave)
- near term - getting running again (how it was set up before)
- few kW green power (easier then IR)
- green good for PREX
- work in hall (not in laser lab - 2nd floor ARC)
- Chuck Long (spectrometer group - Jack Segal running)
- single-pass frequency doubling only problem (expertise at the lab)
- still trying to locate parts - crystal (several purchased)
- thermoelectric chillers to control temp
- stage still on table
- Abdurahim - thesis - photos, etc.
- trying to organize after restructuring
- Just photon okay for DVCS (don't want to break anything :))
- actuators for optics (after laser is running)
- with 12 GeV, green won't fit in beampipe at 12 GeV - redesign e- det can
- small slot - French connection? - redesigned?
- last real-world experience - power 5kW? - mirrors degrade in tunnel
- DAQ (Bob/Alex)
- put computer back in counting house
- trying to run the flash ADC DAQ on it
- High flip rate capability of the DAQ (MOLLER)
- old DAQ - ran at 30 Hz
- trigger supervisor, event triggered DAQ
- PREX won't use e- det - flash ADC with photon det
- photon detector (Greg/Vahe)
- analyzing power factor of 2 with green laser
- with GSO photon energy is not as much of a factor
- photon used for DVCS
- electron detector (Juliette/Dipangkar)
- magnetic field mapping (Kent)
- beamline status/accelerator schedule (Alex)
- DVCS in the fall
- 12 GeV halo bigger
- Synchrotron light at 12 GeV running
- laser (Kent -> Dave)
- consequences of restructuring
- next meeting time
Return to Compton
