Difference between revisions of "September 12, 2011"
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| Line 13: | Line 13: | ||
|- | |- | ||
|2359||Centered||In ||Open ||Out||No | |2359||Centered||In ||Open ||Out||No | ||
| − | |align="left"|Test radiator in/out | + | |align="left"|Test radiator in/out. |
R(upstream) = 157/40244 = 0.0039 e+/pulse,<br> R(downstream) = 183/40244 = 0.0045 e+/pulse | R(upstream) = 157/40244 = 0.0039 e+/pulse,<br> R(downstream) = 183/40244 = 0.0045 e+/pulse | ||
|- | |- | ||
|2360||Centered||In ||Open ||Centered||No | |2360||Centered||In ||Open ||Centered||No | ||
| − | |align="left"|Test radiator in/out | + | |align="left"|Test radiator in/out. |
R(upstream) = 898/40244 = 0.0223 e+/pulse,<br> R(downstream) = 1040/40244 = 0.0258 e+/pulse<br> | R(upstream) = 898/40244 = 0.0223 e+/pulse,<br> R(downstream) = 1040/40244 = 0.0258 e+/pulse<br> | ||
<span style="color:red">About 83% of photons are coming from the radiator. No bad</span> | <span style="color:red">About 83% of photons are coming from the radiator. No bad</span> | ||
|- | |- | ||
|2361||Up 2 mm||In ||Open ||Up 2 mm||No | |2361||Up 2 mm||In ||Open ||Up 2 mm||No | ||
| − | |align="left"|Test radiator in/out | + | |align="left"|Test radiator in/out. |
R(upstream) = 730/40839 = 0.0179 e+/pulse,<br> R(downstream) = 867/40839 = 0.0212 e+/pulse | R(upstream) = 730/40839 = 0.0179 e+/pulse,<br> R(downstream) = 867/40839 = 0.0212 e+/pulse | ||
|- | |- | ||
|2362||Up 2 mm||In ||Open ||Out||No | |2362||Up 2 mm||In ||Open ||Out||No | ||
| − | |align="left"|Test radiator in/out | + | |align="left"|Test radiator in/out. |
R(upstream) = 172/41035 = 0.0042 e+/pulse,<br> R(downstream) = 258/41035 = 0.0063 e+/pulse<br> | R(upstream) = 172/41035 = 0.0042 e+/pulse,<br> R(downstream) = 258/41035 = 0.0063 e+/pulse<br> | ||
<span style="color:red">About 77% of photons are coming from the radiator. No bad</span> | <span style="color:red">About 77% of photons are coming from the radiator. No bad</span> | ||
| Line 32: | Line 32: | ||
|2363||Up 2 mm||In ||Open ||Out||No | |2363||Up 2 mm||In ||Open ||Out||No | ||
|align="left"|Test radiator in/out | |align="left"|Test radiator in/out | ||
| − | Added 1" Al hardener against Cu bricks after vacuum window. | + | Added 1" Al hardener against Cu bricks after vacuum window. |
| + | |||
R(upstream) = 87/41037 = 0.0021 e+/pulse,<br> R(downstream) = 119/41037 = 0.0029 e+/pulse<br> | R(upstream) = 87/41037 = 0.0021 e+/pulse,<br> R(downstream) = 119/41037 = 0.0029 e+/pulse<br> | ||
|- | |- | ||
|2364||Up 2 mm||In ||Open ||Up 2 mm||No | |2364||Up 2 mm||In ||Open ||Up 2 mm||No | ||
| − | |align="left"|Test radiator in/out | + | |align="left"|Test radiator in/out.Added 1" Al hardener against Cu bricks after vacuum window. |
| − | Added 1" Al hardener against Cu bricks after vacuum window. | + | |
R(upstream) = 87/41037 = 0.0021 e+/pulse,<br> R(downstream) = 119/41037 = 0.0029 e+/pulse<br> | R(upstream) = 87/41037 = 0.0021 e+/pulse,<br> R(downstream) = 119/41037 = 0.0029 e+/pulse<br> | ||
<span style="color:red">About 88% of photons are coming from the radiator. No bad</span> | <span style="color:red">About 88% of photons are coming from the radiator. No bad</span> | ||
Revision as of 15:37, 12 September 2011
summary what was been done
| Run # | Beam | Dump magnet | Collimator | Radiator 10 um Al | Target | Comments |
|---|---|---|---|---|---|---|
| 2359 | Centered | In | Open | Out | No | Test radiator in/out.
R(upstream) = 157/40244 = 0.0039 e+/pulse, |
| 2360 | Centered | In | Open | Centered | No | Test radiator in/out.
R(upstream) = 898/40244 = 0.0223 e+/pulse, |
| 2361 | Up 2 mm | In | Open | Up 2 mm | No | Test radiator in/out.
R(upstream) = 730/40839 = 0.0179 e+/pulse, |
| 2362 | Up 2 mm | In | Open | Out | No | Test radiator in/out.
R(upstream) = 172/41035 = 0.0042 e+/pulse, |
| 2363 | Up 2 mm | In | Open | Out | No | Test radiator in/out
Added 1" Al hardener against Cu bricks after vacuum window. R(upstream) = 87/41037 = 0.0021 e+/pulse, |
| 2364 | Up 2 mm | In | Open | Up 2 mm | No | Test radiator in/out.Added 1" Al hardener against Cu bricks after vacuum window.
R(upstream) = 87/41037 = 0.0021 e+/pulse, |