Difference between revisions of "MiniPrototype CoincidenceCosmicRuns 2008"

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Revision as of 16:16, 15 June 2008

06-11-2008

HV settings
Wire Volts
Sense 1400
Field -700
Guard 700


Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V.png

Channel 1 is Metalica and Channel 2 Plastika.

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp
150 871 722
150 894 611
150 920 670
150 900 613
200 589 466
250 473 381
400 190 181


06-12-2008

HV settings
Wire Volts
Sense 1400
Field -700
Guard 700


Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 06-12-2008.png

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 1609 1146
100 1707 1176
100 1515 1192
100 1643 1443
150 1101 890
150 1040 914
150 1045 820
150 1112 876
200 516 444 ?
200 587 416
200 566 436
200 562 485
300 371 385
350 233 217
400 204 202
400 207 257



Bottom Scintillator Top Scintillator
Threshold(mV) Rate(Events/hr) Threshold(mV) Rate(Events/hr)
250 739 50 1286
250 805 50 1308
250 652 50 1299
250 748 50 1289
300 368 100 470
300 356 100 460
300 385 100 443
300 392 100 457
350 237 150 132
350 240 150 110
350 255 150 117
175 63
400 164 200 40
450 120 250 18
450 121 250 18
500 92


old

HV settings
Wire Volts
Sense 1500
Field -750
Guard 750


The Voltage on the PreAmp is 6.3 Volts

Threshold(mV) Metalica (Events/hr)GainAmp777 Plastika (Events/hr)GainAmp777 Coincidence(Events/hr)GainAmp777 Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(events/hr)VPI PostAmp
150 963 597 132 1474 1467 151
150 1370 763 37 2563 2400 240
150 1851 1024 82 4133 3492 362
150 2254 1673 141 5971 4676 501
200 928 878 51 3361 2266 105
200 1226 1088 85 5220 3043 139
200 1502 1263 20 6882 3833 118
200 1690 1372 23 6884 4173 125


Threshold(mV) Metalica (Events/hr)GainAmp777 Plastika (Events/hr)GainAmp777 Coincidence(Events/hr)GainAmp777 Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(events/hr)VPI PostAmp
150 [math]1610 \pm 487[/math] [math]1014 \pm 410[/math] [math]98 \pm 42[/math] [math]3535 \pm 1694[/math] [math]3009 \pm 1200[/math] [math]314 \pm 132[/math]
200 [math]1337 \pm 288[/math] [math]1150 \pm 187[/math] [math]45 \pm 26[/math] [math]5587 \pm 1453[/math]



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