[BLAST_SHIFTS] Shift summary 07/27/2003 Swing

From: Electronic Log Book (elog@blast05.lns.mit.edu)
Date: Mon Jul 28 2003 - 00:40:02 EDT


Operators: clasie ---- ----

More unpol deuterium data taking. Runs 1786-1787 1790-1791 1794-1796 1799 were made.

The beam mostly had a stable lifetime of approx 16min, however, three times the beam was injected with approx half the lifetime and with approx 50% more BQM rates. Two of these three fills happened between runs and the last during a run (run # 1797).

WC L6 began tripping repeatedly, and continued tripping with a reduced voltage. The WC's were turned off for 40min, after which, they held 3800V.

At the end of the shift the HV's were turned off and the gas flow stopped for an access. WC low voltages were turned off and CCR began warming the target cell.



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