September 14, 2011

From New IAC Wiki
Jump to navigation Jump to search

go back

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
R(upstream) = 0.0143 = e+/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
R(upstream) = 0.0157 = e+/pulse

2420 Up 95A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0013 n/pulse
R(upstream) = e+/pulse

2421 Up 100A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0008 n/pulse
R(upstream) = e+/pulse

2422 Up 85A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0011 n/pulse
R(upstream) = e+/pulse

2423 Up 80A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.00108 n/pulse
R(upstream) = 0.0015 e+/pulse

2425 Center 0A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0012 n/pulse
R(upstream) = e+/pulse

2426 Down 80A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.00103 n/pulse
R(upstream) = = e+/pulse

2427 Up 90A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.00093 n/pulse
R(upstream) = 0.0158 e+/pulse

2428 Up 70A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0021 n/pulse
R(upstream) = 0.016 e+/pulse

2429 Up 50A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.00086 n/pulse
R(upstream) = 0.015 e+/pulse

2430 Up 60A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.00115 n/pulse
R(upstream) = 0.0144 e+/pulse

2431 Up 75A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0015 n/pulse
R(upstream) = 0.0167 e+/pulse

2432 Up 70A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0010 n/pulse
R(upstream) = 0.018 e+/pulse

2433 Up 80A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0012 n/pulse
R(upstream) = 0.0187 e+/pulse

2434 Up 70A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0012 n/pulse
R(upstream) = 0.0146 e+/pulse

2435 Up 90A In Open Yes Up 2 mm DU plate Same.

R(beam down) = 0.0011 n/pulse
R(upstream) = 0.0142 e+/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
R(upstream) = 0.0 e+/pulse

... A lot was done (see lab books) and after putting additional upstream and downstream collimator, finally:
2450 Up 2 mm In Open Yes Out DU plate Additional downstream collimator in. Additional upstream collimator in

R(beam down) = 0.000031 n/pulse
R(upstream) = 0.00085 e+/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
R(upstream) = 0.0039 e+/pulse

2452 Up 2 mm In Open Yes Up 2 mm DU plate Same additional radiator

R(beam down) = 0.000153 n/pulse
R(upstream) = 0.003 e+/pulse

2453 Down 2 mm In Open Yes Out DU plate Same additional radiator

R(beam down) = 0.0000238 n/pulse
R(upstream) = 0.00093 e+/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) = 0.0000238 n/pulse
R(upstream) = 0.00093 e+/pulse


go back