Difference between revisions of "Beam Test Jul 20 2012"
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| Line 9: | Line 9: | ||
in 1.00 cm 241 / 99.8 2.41 | in 1.00 cm 241 / 99.8 2.41 | ||
out 1.00 cm 268 / 99.9 2.68 | out 1.00 cm 268 / 99.9 2.68 | ||
| − | out 0.20 cm | + | out 0.20 cm 692 / 200 3.46 |
in 0.20 cm / | in 0.20 cm / | ||
Revision as of 17:22, 20 July 2012
Detector tests
Beam Left Detector
Electron gun trigger and detector diode signal put into and logic. We want to put the annihilation target in and out, see how it affects the rate.
Annihilation Target Slit width Counts / Time (s) Rate (Hz) in 1.00 cm 445 / 199.9 2.23 out 1.00 cm 545 / 199.9 2.72 in 1.00 cm 241 / 99.8 2.41 out 1.00 cm 268 / 99.9 2.68 out 0.20 cm 692 / 200 3.46 in 0.20 cm /