02/21/11 Day Shift Summary
On shift:
SL: Ellie Long
TO: Kai Pan
3rd: Sasha Glamazdin
· 08:00 Good morning, Hall A! Starting shift in Production
with Run # 1665
· 09:03 Problems with ROC hangups, restarting CODA -
affects Run # 1666
· 09:32 Configuration change to dThresh2arm
· 10:45 Target computer window manager crashed. Logged out
and logged back in fixed it
· 10:51 Some scintillator paddles (top and bottom) in RHRS
· 11:20 Beam down due to a cavity problem in the injector
· 11:30 Beam returns! Asking for 30uA
· 11:35 Methane Gas Shed alarm sounded twice. Was told by
RC that the alarm is faulty and to just reset it, so it was reset
· 11:47 Beam back down due to that cavity problem
· 11:50 Having problems with RHRS shower HV in S8 L8.4. It
keeps tripping. Lowered voltage from -777 to -750 and it's still throwing
errors. Lowering it to -650 fixed it
· 14:18 Beam is still down. Called MCC - no ETA for beam
returning
· 16:00 Ending shift with no beam. Good luck, Swing Shift!
Good Runs:
| Run # | Current (uA) | Events | Comments |
| 1665 | 23 | 2M | |
| 1667 | 23 | 1.2M | Run ended early to change configuration |
| 1669 | 23 | 1.1M | |
| 1670 | 23 | 350k | Test Run (see HALog 347955) |
| 1671 | 23 | 686k | Test Run |
| 1672 | 23 | 791k | Test Run |
| 1673 | 23 | 749k | Test Run - Top and Bottom paddles on RHRS turned off |
| 1674 | 23 | 4k | Test Run - Beam down - Cavity Problem in Injector |
| 1675 | 30 | 292k | |
| 1676 | 0 | 84k | Cosmics |
| 1677 | 0 | 860k | PS7=1, all others=0 |
| 1678 | 0 | 0.9 M | PS7=1, all others=0 |
| 1679 | 0 | 950k | PS7=1, all others=0 |
| 1680 | 0 | 925k | PS7=1, all others=0 |
Junk Runs:
| Run # | Comments |
| 1666 | CODA crash |
| 1668 | Config Change |