Beam Test Jul 16 2012
Camera Trig
Tune the beam for 15 MeV range, see the beam with camera. Get camera triggering.
Tune The Beam for 11-12 MeV
Energy Switch | Out (High En) |
Solenoid 1 | 6.8 A |
Solenoid 2 | 1.2 A |
Gun Hor | -0.1 A |
Gun Ver | 0 A |
Output Hor | +0.2 A |
Output Ver | +0.4 A |
Rep Rate | 8 |
Gun HV | 10 (Knob Setting) |
Gun Grid Voltage | 10 (Knob Setting) |
RF frequency | 2856.272 MHz |
Modulator HV Power Supply | 4.28 (Knob Setting) |
RF macro Pulse Length (FWHM) | 300 ns |
Q1 (A) | -2.6 |
Q2 (A) | -3.2 |
Q3 (A) | -3.6 |
Q4 (A) | -1.5 |
Q5 (A) | +0.7 |
Q6 (A) | -3.6 |
Beam Spot at 0 degree OTR screen:
Scintillator pulse count
Scintillator is located at the end of the 90 degree beamlien (after the thin window). Rates measured with W1 in and out.
Energy Switch | Out (High En) |
Solenoid 1 | 6.8 A |
Solenoid 2 | 1.2 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 | 10 (Knob Setting) |
RF frequency | 2856.304 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 |
Q4 (A) | -2.3 |
Q5 (A) | 2.5 |
Q6 (A) | -3.5 |
When we bend the beam by 45 degree, there were too much current on the scintilator. Gun grid voltage is lowered to lower the current.
W1 | Time (s) | D1 (A) | Jaws | Counts | counts/second | conditions |
in | 209.1 | 0 | Full open | 1842 | 8.81 | tuned to fc1 10 MeV |
out | 192.5 | 0 | Full open | 1052 | 5.46 | tuned to fc1 10 MeV |
in | 226 | 2.5 | Full open | 2082 | 9.21 | tuned to fc2 1 MeV |
in | 205 | 18.8 | Full open | 1784 | 8.7 | tuned to fc2 10 MeV |
out | 18.8 | Full open | too much pile-ups | tuned to fc2 10 MeV |
Energy Switch | Out (High En) |
Solenoid 1 | 6.8 A |
Solenoid 2 | 1.2 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 | 2856.304 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 |
Q4 (A) | -2.3 |
Q5 (A) | 2.5 |
Q6 (A) | -3.5 |
W1 | D1 (A) | D2 (A) | Jaw width (cm) | Time (s) | Counts | counts/second | conditions |
in | 5.8 | 3 | 0.2 | 209.9 | 844 | 4.02 | D1 tuned for 3 Mev, D2 tuned for 1.2694 MeV |
in | 5.8 | 5.8 | 0.2 | 239.8 | 1212 | 5.05 | D1 tuned for 3 Mev, D2 tuned for 3 MeV |
in | 5.8 | 9 | 0.2 | 359.9 | 1508 | 4.19 | D1 tuned for 3 Mev, D2 tuned for 4.9 MeV |