Swing shift summary

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User name D. Parno

Log entry time 00:05:51 on December11,2008

Entry number 252910

keyword=Swing shift summary

Shift workers:
Huan Yao (TO)
Diana Parno (3rd)

Shift begins in production running. Big Bite high voltage had recently tripped without an alarm.

Production runs*:

4377: continued from previous shift. 0.03978 C
4378: 0.03973 C

HAPPEX run 30548 started.

4379: 0.03995 C
4380: 0.01859 C. Stopped early due to BB HV trip (w/ alarm).
4381: 0.03971 C
4382: 0.001507 C. Stopped for beam tune that did not happen.
4383: 0.03947 C.
4384: 0.03945 C.
4385 begun; will finish on next shift.

Total beam charge this shift: 0.258187 C.

*Target temperature was oscillating throughout shift.
** Compton rates went up dramatically partway through the shift, although the beam position remained the same. Asymmetry was reduced, although this may be due to the worsening of the statistics.