Beam Test Jul 17 2012

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Tune

Used tune from yesterday.

Energy Switch Out (High En)
Solenoid 1 6.9 A
Solenoid 2 1.3 A
Gun Hor 0 A
Gun Ver +0.2 A
Output Hor +1.2 A
Output Ver 0 A
Rep Rate 8
Gun HV 10 (Knob Setting)
Gun Grid Voltage 6.42 (Knob Setting)
RF frequency 2856.320 MHz
Modulator HV Power Supply 4.28 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -10
Q2 (A) -10
Q3 (A) 0

3 MeV tests

Start from where I left from yesterday. Repeat the last measurement from yesterday, so I can reproduce yesterday's condition, and start from there. Yesterday, the sweeping magnet added to the end of the 3rd triplet magnets to sweep the beam.


The Gun grid voltage was set back to 6.42 (knob Setting), similar as the last run on yesterday.


W1 Sweeping magnet D1 (A) D2 (A) Mode Jaw width (cm) q4 (A) q5 (A) q6 (A) q7 (A) q8 (A) q9 (A) q10 (A) Counts Time (s) counts/second conditions
in out 0 0 photon 0.2 - 2 +2 0 0 0 -0.6 - 0.4 1163 305.7 3.80 Beam tuned to 0 deg
in out 0 -5.8 positron 0.2 - 2 +2 0 0 0 -0.6 - 0.4 1401 378.5 3.70 Beam tuned to 0 deg
in out -5.8 -5.8 positron 0.2 - 2 +2 0 0 0 -0.6 - 0.4 1362 349.6 3.90 D1 & D2 tuned for 3 Mev positrons.
in out 0 0 positron 0.2 - 2 +2 0 0 0 -0.6 - 0.4 1204 315.1 3.82 D1 & D2 tuned for 3 Mev positrons. Sweeping magnet in.
in out 5.8 5.8 electron 0.2 - 2 +2 0 0 0 -0.6 - 0.4 1292 359.8 3.59 D1 & D2 tuned for 3 Mev electron.
in out -5.8 5.8 0.2 - 2 +2 0 0 0 -0.6 - 0.4 566 150.1 3.77 D1 & D2 tuned for 3 Mev electron.