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User name Lindgren
Log entry time 14:12:06 on October15,2000
Entry number 50470
Followups:
keyword=Day shift summary
Q2 Left current fluctuating around 5 Amps at 1475 Amps.
Run 1873 ended at 8:30 am Data is okay
Run 1874 began at 8:31 am
Run 1874 ended at 9:43. MCC had a software crash. End run. Data is okay
Run 1875 started at 9:50. 10:07 MCC lost beam.
Beam back at 90 microamps at 10:20 am.
10:10 am Q2 fluctuations reduced to 2 to 3 amps and less frequent.
10:28 am MCC has orbit problem. Beam off.
End Run 1875.
10:40 am MCC sending pulsed beam for testing their tune.
10:48 Beam back on at 90 microamps.
Start Run 1876 at 10:48 am
Time 11:39 am ROC14 crashed, end run, No EOR.
Reset ROC14, ok.
Start Run 1877 at 11:49 am
End Run 1877 at 12:40
Time 12: 40 Beam off. MCC reports that water circulation problem with beam dump.
Beam on at 12:50. Start Run 1878. No more problem.
End run at 13:05 to trouble shoot fluctuations in Q2 left. Javier arived to do this.
Beam off at 13:05 to make entry into Hall A to check Q2.
Electron and Hadron arm HV summary tables all read -0. Voltages are on, but not readable. Jack Segal problem.