04-22-2015

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Pu-Be source test

PMT detector #4 HV at -1000 Volts

Pu-Be 18 gram source# M1197

Run 4546 had a discriminator threshold set to 80 mV and the terminators were out. Cosmic rays test.

R4546 fake stop.png

R4546 det4 up.png

Run 4547 had a discriminator threshold set to 80 mV and the terminators were out. DAQ rate is 100 Hz. Pu-Be source in.

R4547 fake stop.png

R4547 det4 up.png

Run 4548 had a discriminator threshold set to 80 mV and the terminators were in. DAQ rate is 100 Hz. Pu-Be source in.

R4548 fake stop.png

R4548 det4 up.png


Run 4549 had a discriminator threshold set to 40 mV and the terminators were in. DAQ rate is 2800 Hz. Pu-B source in.

R4549 fake stop.png

R4549 det4 up.png


Run 4550 had a discriminator threshold set to 40 mV and the terminators were out. DAQ rate is 2800 Hz. Pu-B source in.

R4550 fake stop.png

R4550 det4 up.png

Run 4551 had a discriminator threshold set to 40 mV and the terminators were out. DAQ rate is 500 Hz. Pu-B source in, moved away from the detector by 26".

R4551 fake stop.png

R4551 det4 up.png


Run 4552 had a discriminator threshold set to 40 mV and the terminators were in. DAQ rate is 500 Hz. Pu-B source in, moved away from the detector by 26".

R4552 fake stop.png

R4552 det4 up.png

Run 4553 had a discriminator threshold set to 20 mV and the terminators were in. DAQ rate is 1850 Hz. Pu-Be source in, moved away from the detector by 26".

R4553 fake stop.png

R4553 det4 up.png

Run 4554 had a discriminator threshold set to 20 mV and the terminators were in. DAQ rate is 625 Hz. Pu-Be source in, moved away from the detector by 52".

Run 4555 had a discriminator threshold set to 20 mV and the terminators were out. DAQ rate is 650 Hz. Pu-Be source in, moved away from the detector by 52".

Run 4556 had a discriminator threshold set to 10 mV and the terminators were out. DAQ rate is 1400 Hz. Pu-Be source in, moved away from the detector by 52".

Run 4557 had a discriminator threshold set to 10 mV and the terminators were in. DAQ rate is 1400 Hz. Pu-B source in, moved away from the detector by 52".

PMT detector #4 HV at -1400 Volts

Run 4558 had a discriminator threshold set to 10 mV and the terminators were in. DAQ rate is 4670 Hz. Pu-Be source in, moved away from the detector by 52".

Run 4559 had a discriminator threshold set to 10 mV and the terminators were in. DAQ rate is 2700 Hz. Pu-Be source in, moved away from the detector by 91".

Run 4560 had a discriminator threshold set to 10 mV and the terminators were out. DAQ rate is 2700 Hz. Pu-Be source in, moved away from the detector by 91".

Run 4561 had a discriminator threshold set to 10 mV and the terminators were out. DAQ rate is 200 Hz. Cosmic rays test.



1.8 g Pu-Be source should be used next time