Difference between revisions of "September 14, 2011"
| Line 106: | Line 106: | ||
|- | |- | ||
|2450||Up 2 mm||In ||Open ||Yes ||Out||DU plate | |2450||Up 2 mm||In ||Open ||Yes ||Out||DU plate | ||
| − | |align="left"|Additional downstream collimator in. | + | |align="left"|Additional downstream & upstream collimator in. |
R(beam down) = 0.000031 n/pulse<br> | R(beam down) = 0.000031 n/pulse<br> | ||
R(upstream) = 0.00085 e+/pulse<br> | R(upstream) = 0.00085 e+/pulse<br> | ||
Revision as of 22:29, 14 September 2011
summary what was been done
| Run # | Beam | Dump magnet | Collimator | Hardener | Radiator 10 um Al | Target | Comments |
|---|---|---|---|---|---|---|---|
| 2418 | Up 90A | In | Open | Yes | Out | DU plate | Beam check-in run. DU plate 45/45 degree orientation and gammas hit the bottom right corner of plate from upstream view.
R(beam down) = 69/53880 = 0.0013 n/pulse |
| 2419 | Up 90A | In | Open | Yes | Up 2 mm | DU plate | Beam check-in run. DU plate 45/45 degree orientation and gammas hit the bottom right corner of plate from upstream view.
R(beam down) = 0.00104 n/pulse |
| 2420 | Up 95A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0013 n/pulse |
| 2421 | Up 100A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0008 n/pulse |
| 2422 | Up 85A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0011 n/pulse |
| 2423 | Up 80A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.00108 n/pulse |
| 2425 | Center 0A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0012 n/pulse |
| 2426 | Down 80A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.00103 n/pulse |
| 2427 | Up 90A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.00093 n/pulse |
| 2428 | Up 70A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0021 n/pulse |
| 2429 | Up 50A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.00086 n/pulse |
| 2430 | Up 60A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.00115 n/pulse |
| 2431 | Up 75A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0015 n/pulse |
| 2432 | Up 70A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0010 n/pulse |
| 2433 | Up 80A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0012 n/pulse |
| 2434 | Up 70A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0012 n/pulse |
| 2435 | Up 90A | In | Open | Yes | Up 2 mm | DU plate | Same.
R(beam down) = 0.0011 n/pulse |
| 2438 | Up 90A | In | Open | Yes | Up 2 mm | DU plate | Beam spot on the flag was readjusted
R(beam down) = 0.00 n/pulse |
| ... | A lot was done (see lab books) and after putting additional upstream and downstream collimator, finally some production runs: | ||||||
| 2450 | Up 2 mm | In | Open | Yes | Out | DU plate | Additional downstream & upstream collimator in.
R(beam down) = 0.000031 n/pulse |
| 2451 | Up 2 mm | In | Open | Yes | Up 2 mm | DU plate | Same additional radiator. Lost beam
R(beam down) = 0.00027 n/pulse |
| 2452 | Up 2 mm | In | Open | Yes | Up 2 mm | DU plate | Same additional radiator
R(beam down) = 0.000153 n/pulse |
| 2453 | Down 2 mm | In | Open | Yes | Out | DU plate | Same additional radiator
R(beam down) = 0.0000238 n/pulse |
| 2454 | Down 2 mm | In | Open | Yes | Down 2 mm | DU plate | Same additional radiator. Lost beam |
| 2455 | Down 2 mm | In | Open | Yes | Down 2 mm | DU plate | Same additional radiator. Lost beam |
| 2456 | Down 2 mm | In | Open | Yes | Down 2 mm | DU plate | Same additional radiator
R(beam down) = 0.000187 n/pulse |