Cathode drift potential and count rate runs for 2.9kV GEM

12/13/14

Date	CATH. Voltage (kV)	[math]\Delta[/math] V	Shutter	source	run number	Notes
12/13	3.00	100	Open	off	8226	100px
12/13	3.00	100	Closed	off	8225
12/13	3.10	200	Open	off	8223	100px
12/13	3.10	200	Closed	off	8224
12/13	3.20	300	Open	off	8222	100px
12/13	3.20	300	Closed	off	8221	4' 28"
12/13	3.30	400	Open	off	8219	6'
12/13	3.30	400	Closed	off	8220	6'
12/13	3.40	500	Open	off	8211
12/13	3.40	500	Closed	off	8212
12/13	3.50	600	Open	off	8214	100px
12/13	3.50	600	Closed	off	8213
12/13	3.600	700	Open	off	8215
12/13	3.600	700	Closed	off	8216
12/13	3.700	800	Open	off	8218	5' 14"100px
12/13	3.700	800	Closed	off	8217
12/13	3.800	900	Open	off	8207
12/13	3.800	900	Closed	off	8208
12/13	3.900	1000	Open	off	8210	5' 31"
12/13	3.900	1000	Closed	off	8209

High humidity up 97% does not allow to go to 900V or above becuase of the high noise rate.

12/09/14

Date	CATH. Voltage (kV)	[math]\Delta[/math] V	Shutter	source	run number	Notes
12/09	3.00	100	Open	off	8191
12/09	3.00	100	Closed	off	8192
12/09	3.10	200	Open	off	8194
12/09	3.10	200	Closed	off	8193
12/09	3.20	300	Open	off	8195	5' 21"
12/09	3.20	300	Closed	off	8196
12/09	3.30	400	Open	off	8198
12/09	3.30	400	Closed	off	8197
12/09	3.40	500	Open	off	8199
12/09	3.40	500	Closed	off	8200
12/09	3.50	600	Open	off	8202
12/09	3.50	600	Closed	off	8201	5' 20"
12/09	3.600	700	Open	off	8203
12/09	3.600	700	Closed	off	8204
12/09	3.700	800	Open	off	8206
12/09	3.700	800	Closed	off	8205
12/09	3.800	900	Open	off	8207
12/09	3.800	900	Closed	off	8208
12/09	3.900	1000	Open	off	8210	5' 31"
12/09	3.900	1000	Closed	off	8209

12/08/14

Date	CATH. Voltage (kV)	[math]\Delta[/math] V	Shutter	source	run number	Notes
12/08	3.00	100	Open	off	8190
12/08	3.00	100	Closed	off	8189
12/08	3.10	200	Open	off	8187
12/08	3.10	200	Closed	off	8188
12/08	3.20	300	Open	off	8186
12/08	3.20	300	Closed	off	8185	6'
12/08	3.30	400	Open	off	8183	6'
12/08	3.30	400	Closed	off	8184
12/08	3.40	500	Open	off	8182
12/08	3.40	500	Closed	off	8181
12/08	3.470	570	Open	off	8174	5' 20"
12/08	3.470	570	Closed	off	8173
12/08	3.600	700	Open	off	8175
12/08	3.600	700	Closed	off	8176	5' 16"
12/08	3.700	800	Open	off	8178
12/08	3.700	800	Closed	off	8177
12/08	3.800	900	Open	off	8179	6'
12/08	3.800	900	Closed	off	8180