Beam Test Jul 26 2012

Tune

Energy Switch	Out (High En)
Solenoid 1	13.9 A
Solenoid 2	4.1 A
Gun Hor	-0 A
Gun Ver	+0.2 A
Output Hor	-0.3 A
Output Ver	-0 A
Rep Rate	17
Gun HV	10 (Knob Setting)
Gun Grid Voltage	10 (Knob Setting)
RF frequency	2856.321 MHz
Modulator HV Power Supply	4.19 (Knob Setting)
RF macro Pulse Length (FWHM)	300 ns
Q1 (A)	-3
Q2 (A)	+0.8
Q3 (A)	+2
Q4 (A)	0
Q5 (A)	0
Q6 (A)	0
Current at FC0	96 mA

DAQ runs

TDC CH5 was a delay of (32+16+8+4+2+1+0.5)+ (16+8+4+2+1+0.5) = 95 nano second.

run#	T1	T2	Sweep Magnet	logic	HV-D2L	HV-D1R	Reprate	start	stop	Int Rate	comments
3679	in	in	out	(DL & GunTrig) or (DR & GunTrig)	1060V	1080V	100	08:48:00	09:28:01	42.3 events/s	ADC12 has Sintilator1 (Sint @ exit of 90 deg).
3680	in	OUT	out	(DL & GunTrig) or (DR & GunTrig)	1060V	1080V	100	09:29:37	09:46:19	42.6 events/s	ADC12 has Sintilator1 (Sint @ exit of 90 deg).
3682	in	OUT	out	(DL & GunTrig) AND (DR & GunTrig)	1150V	1150V	100	09:55:20	10:33:56	4.8884 events/s	TDC cable was upside down, now it is flipped. Sintilator left was put to CH9.
3683	in	IN	out	(DL & GunTrig) AND (DR & GunTrig)	1150V	1150V	100	10:36:03	10:53:48	5.9397 events/s	TDC5->beam left
3684	in	IN	out	(DL & GunTrig) AND (DR & GunTrig)	1150V	1150V	100	10:54:19	11:25:01	8.7974 events/s	TDC3->beam right, TDC5->beam left
3685	in	out	out	(DL & GunTrig) AND (DR & GunTrig)	1150V	1150V	100	11:26:43	11:31:01	18 events/s	junk, rate are too high.

We changed the discriminator from Octal discriminator (LeCroy modle 623B) to 8 CH CFD (CAEN model N842). The threshold on the detector beam left is 29, and on the detector right is 31.

run#	T1	T2	Sweep Magnet	logic	HV-D2L	HV-D1R	Reprate	start	stop	Int Rate	comments
3686	in	in	out	(DL & GunTrig) AND (DR & GunTrig)	1150V	1150V	100	11:54:44	::	4.7 events/s	we changed the discriminator to 8 CH CFD.