Difference between revisions of "September 21, 2011"
| Line 31: | Line 31: | ||
<span style="color:red">About '''0%''' of photons are coming from the radiator according to PS. </span><br> | <span style="color:red">About '''0%''' of photons are coming from the radiator according to PS. </span><br> | ||
|- | |- | ||
| − | |<span style="color:red">''' | + | |<span style="color:red">'''2517'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder |
|align="left"|Test radiator in/out. | |align="left"|Test radiator in/out. | ||
| − | R(bottom) = 0 | + | R(bottom) = 0 n/pulse <span style="color:red"> -> × 180 Hz × 60 sec/min = '''0 n/min'''</span><br> |
| − | R(upstream) = 0 | + | R(upstream) = 0 e+/pulse |
|- | |- | ||
| − | |<span style="color:red">''' | + | |<span style="color:red">'''2518'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||Out||DU cylinder |
|align="left"|Test radiator in/out. | |align="left"|Test radiator in/out. | ||
| − | + | 0 pulses<br> | |
R(bottom) = 0 n/pulse<br> | R(bottom) = 0 n/pulse<br> | ||
| − | R(upstream) = 0 | + | R(upstream) = 0 e+/pulse<br> |
| − | <span style="color:red">About ''' | + | <span style="color:red">About '''0%''' of photons are coming from the radiator according to PS. </span><br> |
|- | |- | ||
Revision as of 14:07, 21 September 2011
Here is what happened today:
- current 140 mA
- pulse width 2 us
- rep rate 180 Hz
- E = 25 MeV
| Run # | Beam | Dump magnet | Collimator | add coll | Hardener 1" Al | Radiator 25 um Al | Target | Comments |
|---|---|---|---|---|---|---|---|---|
| 2515 | Up 90A |
In | Open | In | Yes | In | DU cylinder | Test radiator in/out.
144632 pulses |
| 2516 | Up 90A |
In | Open | In | Yes | Out | DU cylinder | Test radiator in/out.
0 pulses |
| 2517 | Down 86A |
In | Open | In | Yes | In | DU cylinder | Test radiator in/out.
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min |
| 2518 | Down 86A |
In | Open | In | Yes | Out | DU cylinder | Test radiator in/out.
0 pulses |
Production runs
| Run # | Beam | Dump magnet | Collimator | add coll | Hardener 1" Al | Radiator 25 um Al | Target | Comments |
|---|---|---|---|---|---|---|---|---|
| 2506 | Up 90A |
In | Open | In | Yes | In | DU cylinder | Long production run: 972556 pulses (90 minute run) Operator said the beam is really jittery |
| 2507 | Down 86A |
In | Open | In | Yes | In | DU cylinder | Long production run: 973769 pulses (90 minute run) R(bottom) = 0.001298 n/pulse -> × 180 Hz × 60 sec/min = 14.0 n/min |
| 2508 | Down 86A |
In | Open | In | Yes | Out | DU cylinder | Long production run: 300000 pulses (30 minute run) R(bottom) = 6.6E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.07 n/min |
| 2509 | Up 90A |
In | Open | In | Yes | In | DU cylinder | Long production run: 200092 pulses (20 minute run) R(bottom) = 9.7E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.5 n/min |
| 2510 | Up 90A |
In | Open | In | Yes | In | DU cylinder | Long production run: 766381 pulses (70 minute run) R(bottom) = 9.8E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.58 n/min |
| 2511 | Down 86A |
In | Open | In | Yes | In | DU cylinder | Long production run: 972771 pulses (90 minute run) R(bottom) = 10.66E-4 n/pulse -> × 180 Hz × 60 sec/min = 11.5 n/min |
| 2512 | Down 86A |
In | Open | In | Yes | Out | DU cylinder | Long production run: 197313 pulses (20 minute run) R(bottom) = 2E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.22 n/min |
| 2513 | Down 86A |
In | Open | In | Yes | In | None | Long production run: 380333 pulses (30 minute run) R(bottom) = 2.8E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.31 n/min |