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Minutes of Regular Hall C Meeting

January 8, 2001@ 3:00 p.m.

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• Engineering (Paul Brindza)

• Had a good week, repaired the dipole power supply
• Fixed problems on power supply, connectors looked to be most of the problem
• Last week, new ELIN power supply came in
• Replaced several modules last week
• Fixed HMS Q3 problems
• Over the holidays, the tech’s were able to get the G0 transfer line insulated and the outer shield installed (but not welded)
• Polarized target equipment is being tested

• Beam line (Chen Yan)

• Suggested using 4 parallel wires instead of 1 for the next Gen experiment

• Target (Greg Smith)

• Cooled down last week nicely, running smoothly
• Took 1 of 3 beamline windows out, will be putting in a thinner window when permitted to do so.

• Safety (Bert Manzlak)

• Hall C radiation work permit has been revised for 2001. Everyone must read over it and sign off on the document.

• Gen (Simon Taylor)

• HMS magnet: good news, HMS dipole power supply was repaired
• HMS Q2: failed, after rebooting, it still complained. Fowler recovered and saved software
• Neutron Polarimeter: 4^th veto layer is working
• Showed beam current E=3.395 GeV

• G0 (Allison Lung)

• French detector 1 octant finished, will be shipped on Friday, should arrive here on January 21 or22
• Test fit will then be in ferris wheel and put into clean room for assembly by the 1^st of February
• Modifying installation schedule with panel for mid February
• Infrastructure work completed during holiday shut down looks very nice, Paul Hood, thank you
• 3 rails for ferris wheel installed. Final alignment and grouting needs to be done
• Cable ends were dressed
• Magnet: arrived in Illinois, but problems with delivery. Riggers were not treating magnet delicately. Also, sow, dirt etc inside magnet.