[BLAST_SHIFTS] 11/11/02, shift a

From: Aaron Joseph Maschinot (ajmasch@MIT.EDU)
Date: Mon Nov 11 2002 - 06:25:24 EST


much wire chamber data (as well as nc and cc data, i suppose) was taken
this shift. we did a number of runs with the power supply on and 1sccm in
the target. for all of the runs, we used the "elastic_coincs" trigger.
chris has modified it so that it is much more selective about which tof
pairs it accepts. for all of our runs, we had the nc trigger slot as
well as the cc slots all set to "x". are runs are below:

run number of events trigger
---- ---------------- ----------------------------
2765 300,000 elastic_coincs~0020.settings
2766 314,000 elastic_coincs~0020.settings
2767 333,000 elastic_coincs~0020.settings
2768 333,000 elastic_coincs~0020.settings
2769 312,000 elastic_coincs~0020.settings

2770 302,000 elastic_coincs~0033.settings
2771 314,000 elastic_coincs~0033.settings
2774 366,000 elastic_coincs~0033.settings
2775 315,000 elastic_coincs~0033.settings
2776 301,000 elastic_coincs~0033.settings
2777 210,000 elastic_coincs~0033.settings

at 6:30, ccr took over the beam for optimization purposes.

chris and aaron



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