Difference between revisions of "September 12, 2011"
| Line 96: | Line 96: | ||
| |- | |- | ||
| |2376||Up 2 mm||In ||Open ||Out||DU plate   | |2376||Up 2 mm||In ||Open ||Out||DU plate   | ||
| − | |align="left"|R(beam left) =  n/pulse<br> | + | |align="left"|R(beam left) =  0/176520 = 0 n/pulse<br> | 
| − | R(beam right) =  n/pulse<br> | + | R(beam right) =  0/176520 = 0 n/pulse<br> | 
| − | R(upstream) =  e+/pulse | + | R(upstream) =  659/176520 = 0.0037 e+/pulse | 
| + | <span style="color:red">About 83% of photons are coming from the radiator. Good</span> | ||
| + | |- | ||
| + | |2377||Down 2 mm||In ||Open ||Out||DU plate  | ||
| + | |align="left"|R(beam left) =  6/166815 = 0.0000359 n/pulse<br> | ||
| + | R(beam down) =  4/166815 = 0.0000239 n/pulse<br> | ||
| + | R(beam right) = 20/166815 = 0.000119 n/pulse<br> | ||
| + | R(upstream) = 411/166815 = 0.00246 e+/pulse | ||
| + | R(upstream) = 423/166815 = 0.00253 e+/pulse | ||
| <span style="color:red">Good results</span> | <span style="color:red">Good results</span> | ||
| |- | |- | ||
| − | |2377||Down 2 mm||In ||Open || | + | |2377||Down 2 mm||In ||Open ||Down 2 mm||DU plate   | 
| − | |align="left"|R(beam left) =   | + | |align="left"|R(beam left) =   n/pulse<br> | 
| + | R(beam down) =  n/pulse<br> | ||
| R(beam right) =  n/pulse<br> | R(beam right) =  n/pulse<br> | ||
| − | R(upstream) =  | + | R(upstream) =  e+/pulse | 
| + | R(upstream) =  e+/pulse | ||
| <span style="color:red">Good results</span> | <span style="color:red">Good results</span> | ||
| |- | |- | ||
| |} | |} | ||
Revision as of 19:51, 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. R(upstream) = 777/50837 = 0.0153 e+/pulse, | 
| 2365 | Up 2 mm | In | Open | Up 2 mm | No | Test radiator in/out. Now 2" Al hardener against Cu bricks after vacuum window. R(upstream) = 574/41235 = 0.0139 e+/pulse, | 
| 2366 | Up 2 mm | In | Open | Out | No | Test radiator in/out. R(upstream) = 117/41035 = 0.0028 e+/pulse, | 
| 2367 | Down 2 mm | In | Open | Out | No | Test radiator in/out. Removed 2" Al hardener R(upstream) = 160/41036 = 0.0039 e+/pulse, | 
| 2368 | Down 2 mm | In | Open | Down 2 mm | No | Test radiator in/out. R(upstream) = 628/40639 = 0.0154 e+/pulse, | 
| 2369 | Down 2 mm | In | Open | Down 2 mm | No | Test radiator in/out.  Added 1" Al hardener against Cu bricks after vacuum window. R(upstream) = 454/40640 = 0.0111 e+/pulse, | 
| 2370 | Down 2 mm | In | Open | Out | No | Test radiator in/out. R(upstream) = 98/40639 = 0.0024 e+/pulse, | 
| 2371 | Up 2 mm | In | Open | Up 2 mm | No | Test radiator in/out to reproduce previous result. Same 1" Al hardener against Cu bricks after vacuum window. R(upstream) = 935/40641 = 0.0230 e+/pulse, | 
| 2372 | Up 2 mm | In | Open | Out | No | Test radiator in/out. R(upstream) = 153/40640 = 0.0038 e+/pulse, | 
| 2374 | Up 2 mm | In | Open | Up 2 mm | DU plate | DU plate oriented 45 and 45 degree. Same 1" Al hardener upstream of collimator. Too short | 
| 2375 | Up 2 mm | In | Open | Up 2 mm | DU plate | Same. Re-doing 2374 R(beam left) = 0.0003 n/pulse | 
| 2376 | Up 2 mm | In | Open | Out | DU plate | R(beam left) =  0/176520 = 0 n/pulse R(beam right) =  0/176520 = 0 n/pulse | 
| 2377 | Down 2 mm | In | Open | Out | DU plate | R(beam left) =  6/166815 = 0.0000359 n/pulse R(beam down) =  4/166815 = 0.0000239 n/pulse | 
| 2377 | Down 2 mm | In | Open | Down 2 mm | DU plate | R(beam left) =   n/pulse R(beam down) =  n/pulse |