# Difference between revisions of "Beam Test Jul 18 2012"

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− | | in || out || 4.2 || 4.2 || e- || 0.5 ||0 || -3|| 0 || 0 || 0 || 0 ||0 || 573 || 177.2 || 4.88 || | + | | in || out || 4.2 || 4.2 || e- || 0.5 ||0 || -3|| 0 || 0 || 0 || 0 ||0 || 573 || 177.2 || 4.88 || 3.3 || D1 & D2 set to 2 MeV e- for 90 deg |

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## Revision as of 18:48, 18 July 2012

Tune up 2 MeV into 90 degree line

Check results from yesterday

Lower beam current so single pulses are observed in scintillator

Install thick scintillator for energy calibration

# Tune

Energy Switch | Out (High En) |

Solenoid 1 | 6.2 A |

Solenoid 2 | 3.3 A |

Gun Hor | -0.2 A |

Gun Ver | 0 A |

Output Hor | -0.3 A |

Output Ver | 0 A |

Rep Rate | 8 |

Gun HV | 10 (Knob Setting) |

Gun Grid Voltage | 10 (Knob Setting) |

RF frequency | 2856.320 MHz |

Modulator HV Power Supply | 10 (Knob Setting) |

RF macro Pulse Length (FWHM) | 300 ns |

Q1 (A) | -3.7 |

Q2 (A) | -5.5 |

Q3 (A) | +0.6 |

## 2 MeV

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 | Area of pulse (nVs) | conditions |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | -4.0 | +1.9 | 0 | 0 | 0 | 0 | D1 & D2 tuned for 2 Mev electron. | ||||

in | out | -4.2 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | D1 & D2 tuned for 2 Mev positron. | ||||

in | out | 0 | -4.2 | photon | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | |||||

in | in | -4.2 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | D1 & D2 tuned for 2 Mev positron. | ||||

in | in | 0 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | |||||

in | in | 4.2 | 4.2 | e- | 0.5 | 0 | -4.0 | +1.9 | 0 | 0 | 0 | 0 | D1 & D2 tuned for 2 Mev electron. | ||||

in | in | -4.2 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | |||||

in | in | 0 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | |||||

in | out | 0 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | sweep magnet out | ||||

in | out | 0 | -4.2 | e+ | 0.5 | 0 | +4.0 | -1.9 | 0 | 0 | 0 | 0 | sweep magnet out | ||||

in | out | 0 | 0 | e+ | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | sweep magnet out |

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 | Area of pulse (nVs) | conditions |

in | out | 0 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 600 | 381.8 | 1.57 | 3.8 | Background test after new shielding | |

in | out | 4.2 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 341 | 190.2 | 1.79 | 4.1 | D1 to bend 2 MeV e- 45 deg | |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 452 | 220 | 2.05 | 4.5 | D1 & D2 set to 2 MeV e- for 90 deg |

in | out | 4.2 | 4.2 | RF on, Gun off | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 547 | 340.1 | 1.61 | Background test. We still sending RF to cavity, but electron gun is off. So, no electron is delivered. | |

in | out | 4.2 | 4.2 | Clystron HV on, No RF, Gun off | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 577 | 380.1 | 1.52 | Background test. We are not sending RF to cavity, electron gun is off. | |

in | out | 4.2 | 4.2 | whole machine off | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Background test. | ||||

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 425 | 209.8 | 2.03 | 3.7 | D1 & D2 set to 2 MeV e- for 90 deg |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | -4.0 | +1.9 | 0 | 0 | 0 | 0 | 636 | 349.8 | 1.82 | 4.1 | D1 & D2 tuned for 2 Mev electron. |

in | out | 4.2 | 4.2 | e- | 0.5 | +1 | -4.7 | +2 | 0 | 0 | 0 | 0 | 646 | 330.2 | 1.96 | 1.02 | D1 & D2 tuned for 2 Mev electron. |

## 3 MeV

Dipole Coil En Current (Amps) (MeV) 5.8000 3.0049

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 | Area of pulse (nVs) | conditions |

in | out | 5.8 | 5.8 | e- | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2059 | 319.6 | 6.44 | 3.4 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.5 | -2 | 0 | 0 | 0 | 0 | 0 | 0 | 2957 | 439.9 | 6.7 | 2.9 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.5 | -4 | 0 | 0 | 0 | 0 | 0 | 0 | 4745 | 420.2 | 11.29 | 2.3 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.5 | -6 | 0 | 0 | 0 | 0 | 0 | 0 | 9104 | 450.1 | 20.2 | 0.9 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.5 | -6 | 1 | 0 | 0 | 0 | 0 | 0 | 5884 | 202.2 | 29.1 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | 0 | 0 | 0 | 0 | 1459 | 200.1 | 7.29 | 3.18 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1.5 | 0 | 0 | 0 | 0 | 0 | 486 | 79.7 | 6.1 | 3.27 | D1&D2 tuned for 3 Mev e- |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 0.5 | 0 | 0 | 0 | 0 | 0 | 305 | 50.3 | 6.06 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | 1 | 0 | 0 | 0 | 3872 | 422.9 | 9.16 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | 0 | 0 | 0 | 0 | 490 | 79.9 | 6.13 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | -1 | 0 | 0 | 0 | 471 | 70 | 6.73 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | 0 | 0 | 0 | 0 | 541 | 120 | 4.51 | D1&D2 tuned for 3 Mev e- | |

in | out | 5.8 | 5.8 | e- | 0.2 | -6 | 1 | 0 | 1 | 0 | 0 | 0 | D1&D2 tuned for 3 Mev e- |

I forgot to plug in the scintilator in, it was out all the time.

# 2 MeV

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 | Area of pulse (nVs) | conditions |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 856 | 100.1 | 8.55 | D1 & D2 set to 2 MeV e- for 90 deg | |

in | out | 0 | 4.2 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.13 | 100 | 7.13 | no bending | ||

in | out | 4.2 | 4.2 | bg | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 136 | 80.1 | 1.7 | RF on, Gun off | |

in | out | 4.2 | 4.2 | bg | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 120 | 70 | 1.7 | Clystron HV on, RF off, Gun off | |

in | out | 4.2 | 4.2 | e- | 0.5 | -4.0 | +1.9 | 0 | 0 | 0 | 0 | 0 | 818 | 99.9 | 8.19 | D1 & D2 set to 2 MeV e- for 90 deg |

Gun current was lowered: Gun Grid Voltage know set to 6.42.

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 | Area of pulse (nVs) | conditions |

in | out | 4.2 | 4.2 | e- | 0.5 | -4.0 | +1.9 | 0 | 0 | 0 | 0 | 0 | 518 | 139.9 | 3.7 | D1 & D2 set to 2 MeV e- for 90 deg | |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | -4 | 0 | 0 | 0 | 0 | 0 | 195 | 49.9 | 3.91 | D1 & D2 set to 2 MeV e- for 90 deg | |

in | out | 4.2 | 4.2 | e- | 0.5 | 0 | -3 | 0 | 0 | 0 | 0 | 0 | 573 | 177.2 | 4.88 | 3.3 | D1 & D2 set to 2 MeV e- for 90 deg |