Difference between revisions of "Beam Test Jul 26 2012"
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| 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. | | 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. | ||
|- | |- | ||
| − | | 3686 || in || in || out|| (DL & GunTrig) AND (DR & GunTrig) || 1150V || 1150V || 100 || 11: | + | |} |
| + | |||
| + | 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. | ||
| + | |||
| + | {| border="1" |cellpadding="20" cellspacing="0 | ||
| + | |- | ||
| + | | 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. | ||
|- | |- | ||
|} | |} | ||
Revision as of 18:00, 26 July 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. |