MiniPrototype CoincidenceCosmicRuns 2008

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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
200 697 694
200 666 633
250 475 498
250 466 481
300 371 385
350 270 318
400 204 202
400 207 257
450 155 200



Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 [math]1619 \pm 69[/math] [math]1239 \pm 119[/math]
150 [math]1075 \pm 32[/math] [math]875 \pm 35[/math]
200 [math]682 \pm 16[/math] [math]664 \pm 31[/math]
250 [math]471 \pm 5[/math] [math]490 \pm 9[/math]
300
350
400 [math]206 \pm 1[/math] [math]230 \pm 27[/math]
450
500


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



06-17-2008

HV settings
Wire Volts
Sense 1450
Field -725
Guard 725


Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1450V 06-17-2008.png



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