Difference between revisions of "September 13, 2011"
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R(beam down) = 90/79367 = 0.0011340 n/pulse<br> | R(beam down) = 90/79367 = 0.0011340 n/pulse<br> | ||
R(upstream) = 1058/57841 = 0.01829 e+/pulse<br> | R(upstream) = 1058/57841 = 0.01829 e+/pulse<br> | ||
| − | <span style="color:red">About % of photons are coming from the radiator. Good</span> | + | <span style="color:red">About 57% of photons are coming from the radiator according to PS. Bad</span><br> |
| + | <span style="color:red">About 92% of neutrons are coming from the radiator according to n detector down. Good</span> | ||
|- | |- | ||
|} | |} | ||
Revision as of 15:26, 13 September 2011
summary what was been done
| Run # | Beam | Dump magnet | Collimator | Radiator 10 um Al | Target | Comments |
|---|---|---|---|---|---|---|
| 2385 | Up 2 mm | In | Open | Out | DU plate | Beam check-in run. Beam hardener off.
R(beam 45 left) = 6/173553 = 0.0000346 n/pulse |
| 2386 | Up 2 mm | In | Open | Up 2 mm | DU plate | Beam check-in run. 1" of Al hardener in front of upstream radiator.
R(beam 45 left) = n/pulse |