On 27/11/2018:
At 8:40 Far S2 bias = -130.0V, leak I = 1.74uA. Diode bias = -70.1V, leak I = 0.00uA.
Pressures (mBar):
- TPU1 = 8.3e-7
- TPU2 = 3.4e-7
- TPD1 = 6.5e-7
- TPD2 = 6.5e-7
- CHUP = Sensor Off
- CHDW = No Sensor
Preamps still drawing necessary currents.
Stopped overnight run of 3.0MeV 7Be 2+ on CH2 XIX
Checked beam current: FC4 = 2pA.
Moved ladder to position #5 - natC III
Run # 181127085408
- Run time: 627s
- Pulser ON, as before
- Target: natC III
- Beam: 3.0MeV 7Be 2+
- DT ~ 23%
- See attached picture 1 for sample S2 front strip spectrum. See attached picture 2 for diode spectrum.
Moved ladder to position #2 - 10mm aperture
Run # 181127090808
- Run time: 601s
- Pulser ON, as before
- Target: Blank 10mm aperture
- Beam: 3.0MeV 7Be 2+
- DT ~ 10%
- See attached picture 3 for Far S2 innermost strip spectrum.
Moved ladder to position #7 - CH2 XIX
Run # 181127092128
- Run time: 663s
- Pulser ON, as before
- Target: CH2 XIX
- Beam: 3.0MeV 7Be 2+
- DT ~ 10%
- See attached picture 4 for sample S2 front strip spectrum. See attached picture 5 for diode spectrum.
* End of 7Be beam * |