Log entry time 06:02:32 on July 06, 2010

Entry number 330395

Owl Shift Summary: July 6, 2010

Shift Crew

• Pete Markowitz
• James Beacham
• Victor Maxwell
• Lawrence Selvy

Event Summary

• 00:00 Hall is in controlled access to reset RHRS Q1.
• 00:26 Septum back on, ask for beam, change to Pb-D1. Raster 6x6, 1uA current. Start run 1784, check spot. Run 1785 is junk
• 00:44 Decrease raster to 4x4 and moved to 0,1 in BPMA and BPMB. Start run 1786.
• 01:35 The electron-positron tof peak (run 1786) appears to have worse S/N on the lead than what we saw on the Ta (in run 1780). Natalia estimates we get about 3Hz in the peak for the lead, vs ~10 Hz for the Ta (my estimate). [See entry 330373 for the lead, and 330358 for the tantalum.] We are going back to Ta.
• 01:51 Start run 1787. RHRS Q1 trips off again. Access to reset. Run is possibly junk.
• 02:10 Turn on septum, ask for beam back. Start run 1788.
• 03:25 Start run 1789.
• 04:50 Start run 1790
• 06:00 MCC takes beam for beam studies.