Log entry time 23:54:05 on September 12, 2009

Entry number 289284

• Continued work on the compton
• Inserted HWP around 19:00, started slug 6. flipper settings had to be set by hand
• no beam between 19:00 - midnight. Trouble in the injector

• 16:00 data taking in progress while MCC optic and Hall A Compton peoples are trying to tune the beam some to reduce single rates in the Compton.
• 17:00 MCC is going to take some harp scans to look at the beam size. They tweaked some quadrupoles in their COmpton tuning and want to check the final beam size. End run 12257, go to empty target
• 17:20 MCC repots that the beam size did not change significantly, we are going back to LH2 target.
• 19:00 Hall B and us are ready to insert the HWP. Just at that time, MCC reports trouble with the injector. "flipper". Marc Dalton chose to set the flipper variables by hand and will work on fixing the script later on
• 19:00- to the end of the shift: no beam. The beam was stuck in the injector.