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Message ID: 21     Entry time: Mon May 20 08:15:24 2019
Author: A. Algora 
Subject: background 

Start: 16:25

Stop: 17:25

Background in the same conditions as before (right after the Co measurement)

Listmode: Background_201905201614_035.dlt .... Background_201905201614_036.dlt

Root file:  201905201725_background.root

Rates:

Dynodes: 8.5 kHz

Anodes: 1.8 kHz

Anod1: 120 Hz

Anod15: 173 Hz

Dynod1: 80 Hz

Dynod 15: 166 Hz

Pulser set to 10 Hz

Rate of Dynode 5, 15, 17  seem a little higher than the others. The same for Anode 11, 15, 17

Not clear why the Dynodes rate is so high compared with the anodes. There is not such a big

difference in rate of the individual detectors.  

(Dynodes and Anodes rates are taken from the Python script written by Jorge, that correspond to the full card)

Later it become evident that probably we need to increase  the threshold of detector 8 again (Dy08).

Before it was not like that, but now seems to be triggering in the noise.

 

 

Attachment 1: Screenshot_from_2019-05-20_16-43-50.png  44 kB  Uploaded Mon May 20 09:44:18 2019  | Hide | Hide all
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Attachment 2: Screenshot_from_2019-05-20_16-45-46.png  44 kB  Uploaded Mon May 20 09:45:58 2019  | Hide | Hide all
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Attachment 3: 201905201725_background.root  1.412 MB  Uploaded Mon May 20 13:25:02 2019
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