[Primexd] [New Logentry] Follow-up Re: Overall FCal modules status during Be tgt run

gleasonc at jlab.org gleasonc at jlab.org
Thu Mar 7 09:55:03 EST 2019


Logentry Text:
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These 4 channels were checked today. All showed good signal. Since I did not know if this image was looking upstream or downstream, I checked both positive and negative x values. See summary below. These could have dropped hv during the Be run period for a small amount of time then recovered, have a bad fadc channel, or the mapping from module(0,1,2,3,...) to FCAL X,Y is incorrect and the modules showing up as bad in the image are not in the true location. This last part needs to be verified.

X	Y	   Crate		slot	channel	good?	size
26	-1	2	BOT 	9	9	    ok at fadc	1V
-26	-1	7	BOT	       19	13	    ok at fadc	1V
6	-8	3	MID	       13	13	    ok at fadc	300mV
-6	-8	6	MID	         7	1	    ok at fadc	300mV
24	-11	3	BOT .      	5	3	    ok at fadc	1.5V
-24	-11	6	BOT	       16	7	    ok at fadc	1V
-18	12	6	TOP	       7	2	    ok at fadc	1V
18	12	2	TOP	       15	14	    ok at fadc	1V

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