MiniPrototype CoincidenceCosmicRuns 2008

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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
400 10919 13647
400 11609 13421
400 11670 14618
400 11909 14703
450 7987 10428
450 7655 10725
450 7710 10546
450 7907 10465
500 3928 4930
500 3762 5298
500 3953 5295
500 3733 5451
550 1396 1733
550 1376 1649
550 1417 1871
550 1384 1861
600 308 201
600 177 245


Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 [math]58013 \pm 1173[/math] [math]22556 \pm 252[/math]
150 [math]55569 \pm 1653[/math] [math]21645 \pm 436[/math]
200 [math]52729 \pm 1172[/math] [math]22112 \pm 348[/math]
250 [math]49750 \pm 393[/math] [math]21563 \pm 346[/math]
300 [math]45817 \pm 910[/math] [math]20469 \pm 599[/math]
350 [math]35103 \pm 931[/math] [math]18007 \pm 424[/math]
400 [math]11526 \pm 368[/math] [math]14097 \pm 570[/math]
450 [math]7815 \pm 137[/math] [math]10541 \pm 115[/math]
500 [math]3844 \pm 97[/math] [math]5244 \pm 192[/math]
550 [math]1393 \pm 16[/math] [math]1779 \pm 93[/math]
600 [math]243 \pm 66[/math] [math]223 \pm 22[/math]



Discriminator Threshold vs Rate for Metalica and Plastika using only VPI PostAmp PreAmp 5-7V HV 1500V.jpg

07-04-2008

HV settings
Wire Volts
Sense 1450
Field -725
Guard 725


The voltage on PreAmp is set to 5.7 V.

Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1450V 07-05-2008.png

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 11130 11606
100 9819 11758
100 11556 12091
100 10736 12091
150 8029 8273
150 10420 9090
150 8212 8431
150 9047 9693
200 5239 5674
200 5428 7905
200 5300 5596
200 5399 5826
250 3615 4027
250 3694 3938
300 2718 2981
300 2636 2857
300 2701 2812
300 2695 2950
350 2092 2426
350 2157 2214
350 2238 2316
350 2027 2324
400 1610 1569
400 1564 1776
450 1004 1127
450 1091 1291
450 1046 1380
450 1097 1257
500 652 783
500 721 792
500 569 771
500 693 834
550 165 242
550 117 212
600 15 11


Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 [math]10810 \pm 642[/math] [math]11765 \pm 199[/math]
150 [math]8927 \pm 944[/math] [math]8872 \pm 565[/math]
200 [math]5342 \pm 76[/math] [math]6250 \pm 959[/math]
250 [math]3655 \pm 40[/math] [math]3983 \pm 45[/math]
300 [math]2688 \pm 31[/math] [math]2900 \pm 68[/math]
350 [math]2129 \pm 78[/math] [math]2320 \pm 75[/math]
400 [math]1587 \pm 23[/math] [math]1673 \pm 103[/math]
450 [math]1060 \pm 38[/math] [math]1264 \pm 91[/math]
500 [math]695 \pm 27[/math] [math]795 \pm 24[/math]
550 [math]154 \pm 11[/math] [math]250 \pm 7[/math]
600 [math]15 \pm 0[/math] [math]11 \pm 0[/math]



Discriminator Threshold vs Rate for Metalica and Plastika using only VPI PostAmp PreAmp 5-7V HV 1450V.jpg

07-05-2008

HV settings
Wire Volts
Sense 1400
Field -700
Guard 700


The voltage on PreAmp is set to 5.7 V.

Noise level on Metalica and Plastika using VPI PostAmp PreAmp 6 3V HVon 1400V 07-05-2008.png

Threshold(mV) Metalica (Events/hr)VPI PostAmp Plastika (Events/hr)VPI PostAmp Coincidence(Events/hr)
100 2628 2701
100 2642 2921
100 2912 2768
100 2647 2956
150 1370 1479
150 1316 1474
150 1419 1449
150 1445 1419


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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