Log entry time 16:03:45 on November19,2010

Entry number 340828

Crew:

C. Hyde (SL)

P. Markowitz (TO)

(3rd)

Summary:

Target Cryogen problems due to Hall C target incident.
Work on Moeller power supply

Timeline:

• 08:00 Target heaters have been off for about 1 hour


• 08:17 Turned off beam to stabilize target


• 08:17 Reduced fan speed on loop 2. Loop 1 does not respond


• 08:42 ESR delivery all flow to Hall C target


• 09:00 Controlled access for Moller and Target work


• 09:12 Target fans turned off manually


• Starting cooling



• 09:50 Turning heaters on in hall


• 12:00 Moller work done. Ready for beam


• 12:30 Harp scan BPMA sig_x=0.12 sig_y=0.19 mm


• 12:40 Compton Run 24099


• 12:45 Start production run 8896 on LD2


• 13:45 Start efficiency run 8897 on LD2 LeftHRS


• 14:00 Move to Optics Target


• 14:08 Start Run 8898 Optics Target


• 14:20 false concern over rates. Start 8899 at 0.6muA, increase to 3muA


• 15:00 Move to LD2 Target


• 15:00 Move to LD2 Target


• 15:25 Start run 8900 LD2 Target

• 8896 LD2 826K


• 8897 LD2 870K Efficiency LeftHRS


• 8898 Optics target LeftHRS


• 8899 Optics Target 275K LeftHRS