Difference between revisions of "September 12, 2011"

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|2379||Down 2 mm||In ||Open ||Down 2 mm||DU plate  
 
|2379||Down 2 mm||In ||Open ||Down 2 mm||DU plate  
 
|align="left"|Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V
 
|align="left"|Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V
R(beam 45 left) =  163/332390 = 0.000490 n/pulse (A22)<br>
+
R(beam 45 left) =  163/332390 = 0.00048 n/pulse (A22)<br>
R(beam down) =  312/332390 = 0.000939 n/pulse<br>
+
R(beam down) =  312/332390 = 0.00097 n/pulse<br>
R(beam 45 right) = 79/332390 = 0.000238 n/pulse<br>
+
R(beam 45 right) = 79/332390 = 0.00026 n/pulse<br>
R(upstream) =  4061/248339 = 0.0163 e+/pulse<br>
+
R(upstream) =  4061/248339 = 0.0175 e+/pulse<br>
R(upstream) =  5220/248339 = 0.0210 e+/pulse
+
|-
 
+
|2380||Down 2 mm||In ||Open ||Out||DU plate
 +
|align="left"|Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V
 +
R(beam 45 left) =  n/pulse (A22)<br>
 +
R(beam down) =  n/pulse<br>
 +
R(beam 45 right) =  n/pulse<br>
 +
R(upstream) =  e+/pulse<br>
 +
|-
 +
|2381||Up 2 mm||In ||Open ||Out||DU plate
 +
|align="left"|Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V
 +
R(beam 45 left) =  n/pulse (A22)<br>
 +
R(beam down) =  n/pulse<br>
 +
R(beam 45 right) =  n/pulse<br>
 +
R(upstream) =   e+/pulse<br>
 +
|-
 +
|2382||Up 2 mm||In ||Open ||Up||DU plate
 +
|align="left"|Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V
 +
R(beam 45 left) =  n/pulse (A22)<br>
 +
R(beam down) =  n/pulse<br>
 +
R(beam 45 right) =  n/pulse<br>
 +
R(upstream) =  e+/pulse<br>
 
|-
 
|-
  
 
|}
 
|}

Revision as of 21:06, 12 September 2011

go back

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,
R(downstream) = 183/40244 = 0.0045 e+/pulse

2360 Centered In Open Centered No Test radiator in/out.

R(upstream) = 898/40244 = 0.0223 e+/pulse,
R(downstream) = 1040/40244 = 0.0258 e+/pulse
About 83% of photons are coming from the radiator. Good

2361 Up 2 mm In Open Up 2 mm No Test radiator in/out.

R(upstream) = 730/40839 = 0.0179 e+/pulse,
R(downstream) = 867/40839 = 0.0212 e+/pulse

2362 Up 2 mm In Open Out No Test radiator in/out.

R(upstream) = 172/41035 = 0.0042 e+/pulse,
R(downstream) = 258/41035 = 0.0063 e+/pulse
About 77% of photons are coming from the radiator. Good

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,
R(downstream) = 119/41037 = 0.0029 e+/pulse

2364 Up 2 mm In Open Up 2 mm No Test radiator in/out.

R(upstream) = 777/50837 = 0.0153 e+/pulse,
R(downstream) = 847/50837 = 0.0167 e+/pulse
About 86% of photons are coming from the radiator. Good

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,
R(downstream) = 717/41235 = 0.0174 e+/pulse

2366 Up 2 mm In Open Out No Test radiator in/out.

R(upstream) = 117/41035 = 0.0028 e+/pulse,
R(downstream) = 136/41035 = 0.0033 e+/pulse
About 80% of photons are coming from the radiator. Good

2367 Down 2 mm In Open Out No Test radiator in/out. Removed 2" Al hardener

R(upstream) = 160/41036 = 0.0039 e+/pulse,
R(downstream) = 199/41036 = 0.0048 e+/pulse

2368 Down 2 mm In Open Down 2 mm No Test radiator in/out.

R(upstream) = 628/40639 = 0.0154 e+/pulse,
R(downstream) = 714/40639 = 0.0176 e+/pulse
About 75% of photons are coming from the radiator. Good

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,
R(downstream) = 536/40640 = 0.0132 e+/pulse

2370 Down 2 mm In Open Out No Test radiator in/out.

R(upstream) = 98/40639 = 0.0024 e+/pulse,
R(downstream) = 112/40639 = 0.0027 e+/pulse
About 78% of photons are coming from the radiator. Good

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,
R(downstream) = 1050/40641 = 0.0258 e+/pulse

2372 Up 2 mm In Open Out No Test radiator in/out.

R(upstream) = 153/40640 = 0.0038 e+/pulse,
R(downstream) = 144/40640 = 0.0035 e+/pulse
About 84% of photons are coming from the radiator. Good

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
R(beam right) = 0.00024 n/pulse
R(upstream) = 0.022 e+/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
R(upstream) = 659/176520 = 0.0037 e+/pulse

About 83% of photons are coming from the radiator. Good

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
R(beam right) = 20/166815 = 0.000119 n/pulse
R(upstream) = 411/166815 = 0.0025 e+/pulse
R(upstream) = 423/166815 = 0.0025 e+/pulse

2378 Down 2 mm In Open Down 2 mm DU plate R(beam 45 left) = 0.000139 n/pulse

R(beam down) = 174/238320 = 0.000730 n/pulse
R(beam 45 right) = 0.000151 n/pulse
R(upstream) = 3258/238320 = 0.0137 e+/pulse
R(upstream) = 3757/238320 = 0.0158 e+/pulse

About 82% of photons are coming from the radiator. Good

2379 Down 2 mm In Open Down 2 mm DU plate Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V

R(beam 45 left) = 163/332390 = 0.00048 n/pulse (A22)
R(beam down) = 312/332390 = 0.00097 n/pulse
R(beam 45 right) = 79/332390 = 0.00026 n/pulse
R(upstream) = 4061/248339 = 0.0175 e+/pulse

2380 Down 2 mm In Open Out DU plate Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V

R(beam 45 left) = n/pulse (A22)
R(beam down) = n/pulse
R(beam 45 right) = n/pulse
R(upstream) = e+/pulse

2381 Up 2 mm In Open Out DU plate Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V

R(beam 45 left) = n/pulse (A22)
R(beam down) = n/pulse
R(beam 45 right) = n/pulse
R(upstream) = e+/pulse

2382 Up 2 mm In Open Up DU plate Increased voltage on 2 photonics (A22 & A24) detectors from -1600 -> -1700 V

R(beam 45 left) = n/pulse (A22)
R(beam down) = n/pulse
R(beam 45 right) = n/pulse
R(upstream) = e+/pulse