Difference between revisions of "September 19, 2011"

From New IAC Wiki
Jump to navigation Jump to search
Line 95: Line 95:
 
|<span style="color:blue">'''2494'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:blue">'''2494'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|<span style="color:blue">'''Long production run'''</span>
 
|align="left"|<span style="color:blue">'''Long production run'''</span>
190006 pulses<br>
+
<span style="color:blue">'''190006 pulses'''</span><br>
 
R(beam down) = 0.00063 n/pulse  <span style="color:blue"> -> ×180×60 = '''6.8 n/min'''</span><br>
 
R(beam down) = 0.00063 n/pulse  <span style="color:blue"> -> ×180×60 = '''6.8 n/min'''</span><br>
 
R(upstream) = 0.0142 = e+/pulse<br>
 
R(upstream) = 0.0142 = e+/pulse<br>

Revision as of 00:09, 20 September 2011

go back

Summary of the day

  • current 120 mA
  • pulse width 2 us
  • rep rate 180 Hz
  • E = 25 MeV


Run # Beam Dump magnet Collimator Hardener 1" Al Radiator 10 um Al Target Comments
2479 Up
90A
In Open Yes In DU cylinder Beam check-in run. Additional collimator in

R(beam down) = 0.000689 n/pulse
R(upstream) = 0.01667 = e+/pulse

2480 Up
90A
In Open Yes Out DU cylinder Beam check-in run.

R(beam down) = 0.000018 n/pulse
R(upstream) = 0.00116 = e+/pulse
About 93% of photons are coming from the radiator according to PS. Good

2482 Down
86A
In Open Yes In DU cylinder Beam check-in run.

R(beam down) = 0.000717 n/pulse
R(upstream) = 0.0164 = e+/pulse

2483 Down
86A
In Open Yes Out DU cylinder Beam check-in run. Beam lost.

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

  • current 160 mA
  • rep rate 180 Hz
Run # Beam Dump magnet Collimator Hardener 1" Al Radiator 10 um Al Target Comments
2488 Down
86A
In Open Yes Out DU cylinder Beam returned without VS. Beam check-in run. Additional collimator in

R(beam down) = 0 n/pulse
R(upstream) = 0.00116 = e+/pulse

2489 Down
86A
In Open Yes In DU cylinder Beam check-in run.

R(beam down) = 0.00057 n/pulse
R(upstream) = 0.0129 = e+/pulse
About 91% of photons are coming from the radiator according to PS. Good

2490 Up
90A
In Open Yes In DU cylinder Beam off.
2491 Up
90A
In Open Yes In DU cylinder Beam check-in run.

R(beam down) = 0.000569 n/pulse
R(upstream) = 0.01198 = e+/pulse

2492 Up
90A
In Open Yes Out DU cylinder Beam check-in run.

R(beam down) = 0 n/pulse
R(upstream) = 0.00080 = e+/pulse
About 93% of photons are coming from the radiator according to PS. Good


Good beam, good turning. So there are production runs

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 10 um Al Target Comments
2494 Up
90A
In Open In Yes In DU cylinder Long production run

190006 pulses
R(beam down) = 0.00063 n/pulse -> ×180×60 = 6.8 n/min
R(upstream) = 0.0142 = e+/pulse


Go Back