Difference between revisions of "MiniPrototype CoincidenceCosmicRuns 2008"

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Revision as of 00:30, 2 July 2008

07-01-2008

HV settings
Wire Volts
Sense 1500
Field -750
Guard 750


The voltage on PreAmp is set to 5.7 V.

Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 07-01-2008.png

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 57480 22535
100 59643 22173
100 56474 22645
100 58454 22870
150 55368 22400
150 58127 21363
150 55274 21411
150 53503 21407
200 54516 22330
200 51659 22542
200 53041 21644
200 51700 21930
250 50093 22070
250 49200 21600
250 49557 21099
250 50151 21484
300 46186 19689
300 45857 20119
300 46855 21217
300 44368 20849
350 36621 18680
350 34976 17645
350 34106 18057
350 34710 17645

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
500 122 166
500 135 173



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]
300 371 385
350 270 318
400 [math]206 \pm 1[/math] [math]230 \pm 27[/math]
450 155 200
500 [math]129 \pm 7[/math] [math]170 \pm 3[/math]


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


06-20-2008

HV settings
Wire Volts
Sense 1450
Field -725
Guard 725



400px

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100
100
100
100
150
150
150
150
200 1013 1622
200 1080 1839
200 1214 1641
200 935 1666
250 495 1248
250 575 1139
300 363 1017
350 253 761
400 139 424
400
450
500
500
600


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