05/11/2011: Difference between revisions

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[https://wiki.iac.isu.edu/index.php/N%27s_detector_calibration Go Back]
Because is something wrong I decided to measure the counts rate as function of threshold energy. Maybe my threshold was incorrect.
Because is something wrong I decided to measure the counts rate as function of threshold energy. Maybe my threshold was incorrect.



Revision as of 19:42, 11 May 2011

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Because is something wrong I decided to measure the counts rate as function of threshold energy. Maybe my threshold was incorrect.

Below are my results for n's detector with HAMAMATSU PMT (-1500 V):


So it looks like my previous threshold value (-500 V) was not good. Let's set up the -200 V: