Difference between revisions of "Gain matching"

Revision as of 02:52, 17 August 2016

PMT top and bottom is in coincidence with a trigger placed 3" below the CF-252 source.

PMT pulses are widened to 500 ns in electronics in order to avoid double counting.

Discriminator thresholds:

Trigger: 35 mv

PMT's: 50 mv

@@ Line 14: / Line 14: @@
 {| border="1" style="text-align: center"
-! colspan="2"|Detector  || colspan="2"| Count rate at -1700 V (Hz) || rowspan="2"|Difference
+! colspan="2"|Detector  || rowspan="2" |Count rate at -1700 V (Hz)
 |-
-| angle|| color|| Source in || Source out
+| angle|| color
 |-
-| 30  || Red || 0.85  ||  0 || 0
+| 30  || Red || 0.85
 |-
-| 90  || Yellow || 1.2  ||  0 || 0
+| 90  || Yellow || 1.2
 |-
-| 150  || Blue || 0.80  ||  0 || 0
+| 150  || Blue || 0.80
 |-
-| 225  || Wood ||0.09  ||  0 || 0
+| 225  || Wood ||0.09
 |-
 |}