[BLAST_SHIFTS] Shift summary 03/29/2005 B (9-17)

From: Electronic Log Book (elog@blast05.lns.mit.edu)
Date: Tue Mar 29 2005 - 16:57:30 EST


Operator: clasie

Took cosmic data for the first half of the day as the hall was open.
The ABS nozzle was regenerated.
Another AC unit was installed in the counting bay.
Doug replaced the water needed for the WC's.

1:50pm CCR started to test putting beam in the ring. The ABS was almost ready.

1:55pm Genya said the ABS was ready, CCR was having problems with transmitter #5.

2:40pm started taking polarized deuterium data with new injection current of 215mA and Ligit at 9e-9 Torr. WC scalers are a little higher with the new current and are ~40 at the start of the fill.

3:30pm WC L21 guard wire tripped repeatedly (the voltage was 10V higher than the nominal value of -1900V). Genya said to lower the injection current to 200mA.

Deuterium data was taken for the rest of the shift.



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