View source for Dec 3, 2018

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[https://mollerpol.jlab.org/cgi-bin/DocDB/private/DisplayMeeting?conferenceid=14 Moller DocDB Meeting]

[http://hallaweb.jlab.org/equipment/moller/ Original Moller Polarimeter Page]

[https://hallaweb.jlab.org/dvcslog/moller/ Moller ELog]
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Connection details:


Meeting URL
https://bluejeans.com/149766532

Meeting ID
149 766 532

US toll free phone
1.888.240.2560

Dial in, type in the meeting ID and then press ##


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Agenda
# Update on hardware and software -Simona M
# GEANT4 simulation update -Eric K 
# GEANT3 simulation update -Bill H [https://hallaweb.jlab.org/dvcslog/moller/74 slides]
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Minutes:
Simona
Magnet moving to Hall perhaps tomorrow. 
Yves has a rough plan for determining misalignment of magnet. Plan involves taking data at +/-4T fields. Need 1 minute of data at several points. Requires 3.5 hours.
Simona working on HV controls for polarimeter. 24 V power supply on rate required replacement. Replacement complete and HV controls works. PMT voltage ramp now works.
No update on O-rings.

Bill
New comparison of G3/G4 better with G4 lead included. Azz still 0.4% different.
Eric will verify using ideal quad fields in G3/G4 Azz comparison.

Erik
Quad maps show significant focusing difference at dipole exit/detector. Will investigate quantitative difference in Azz at PREX CREX solutions. Will also see difference in quads scans due to new TOSCA maps.


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Attendees:
Bill, Simona, Dave, Don, Jim, Erik, Kent, Sanghwa

Excused: