 Fri Apr 13 08:24:47 2018, Thomas Chillery, Lucio Gialanella, Attempting to add downstream S2 to DAQ setup and fixing problems during setup
|
Date: 07/04/2018 (Last day of April shift)
9:55 pressures read: CHUP = 1.3e-5 mBar, CHDW = 3.5 e-5 mBar
I noticed the preamp power (+/- 15V) was left on overnight. The +15V still draws 1.5A and -15V draws ~600mA as expected. During this shift no |
Thu Feb 22 14:55:09 2018, Thomas Chillery, ADC6 Settings 
|
| DAQ Settings for ADC6 settings attached. ADC 6 has been used for the pin diode during the week starting 19/02/2018 |
|
Mon Dec 3 11:54:55 2018, Thomas Chillery, Carlo Bruno, Tom Davinson, Raffaele Buompane, 7Li 6.0 MeV on CH2 XVI and XVIII, and on natC III
|
On 25/11/2018:
At 8:45 the pressures read (mBar):
TPU1 = 1.0e-6
TPU2 = 3.2e-7
TPD1 = 6.5e-7
TPD2 = 6.1e-7
CHUP = Sensor Off
CHDW |
|
Thu Apr 12 13:12:00 2018, Thomas Chillery, Raffaele Buompane, 7Li 5.0MeV Beam tests with Central S2
|
Date: 06/04/2018 (after 16:40)
We powered the preamps for the two S2 detectors and the diode.
We biased the detectors: |
|
Fri Apr 13 13:59:18 2018, Thomas Chillery, Lucio Gialanella, 7Li 5.0MeV Beam test with Central S2 and Downstream S2 first 8 channels
|
Date: 07/04/2018
At 12:10 we started the DAQ for 5.0 MeV 7Li in 2+ charge state bombarding CH2 Target III
Save name: RData_1/180407111531
DT = 0%
Trigger rate ~ 30 Hz
Event mult = 77.5
At |
|
Mon Nov 26 17:10:13 2018, Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Tom Davinson, Raffaele Buompane, 7Li 4.0 MeV beam on natC target 3
|
On 23/11/2018:
After the runs with 7Li on CH2 15, we moved the target ladder to position 5: carbon foil #3 (~590 ug/cm^2)
Run # 181123214406 |
|
Sat Nov 24 16:39:22 2018, Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Tom Davinson, Raffaele Buompane, 7Li 4.0 MeV beam on CH2 target 15
|
On 23/11/2018:
Tuned beam for 4.0 MeV 7Li, charge state 2+
Measured transmission of beam through FCC using 3 mm and 10 mm size collimators: 66 pA with 10 mm -> 60 pA with 3 mm -> 91% transmission |
|
Thu Apr 12 14:14:09 2018, Thomas Chillery, Raffaele Buompane, 7Be 5.0MeV Beam test with central S2
|
Date: 06/04/2018
Before starting this beam test we lowered the channel thresholds on ADC 3 and 4 (modules 4 and 5) from 40 to 8
The diode Ortec 571 settings are: |
|
Fri Apr 13 14:56:11 2018, Thomas Chillery, Lucio Gialanella, 7Be 5.0MeV Beam test on CH2 target IV with central S2 and downstream S2 channels 0-7
|
Date: 07/04/2018
FC - 4 = 410 - 260 = 150 pA
We moved the target ladder to position V (35.022mm) - CH2 Target IV |
|
Fri Apr 13 14:42:31 2018, Thomas Chillery, Lucio Gialanella, 7Be 5.0MeV Beam test on CH2 target III with central S2 and downstream S2 channels 0-7
|
Date: 07/04/2018
To run the measurement we:
Opened the central iris (actuator setting = 14.0mm)
Opened the downstream iris (actuator setting = 1.5mm)
Set the |
|
Mon Dec 3 11:28:53 2018, Thomas Chillery, Carlo Bruno, Tom Davinson, Lucio Gialanella, Antonino d'Leva, 7Be 4.0MeV on CH2 XVI and natC III
|
On 24/11/2018:
After the short test with 4.0MeV 7Li (see eLog #55) the beam was tuned for 4.0MeV 7Be 2+.
Run # 181124103943 |
|
Mon Dec 3 17:02:48 2018, Thomas Chillery, Carlo Bruno, Lizeth Morales, Guiseppe Porzio, Raffaele Buompane, 6Li(p,p): Tuning 1.5MeV 6Li 1+ beam
|
On 27/11/2018:
Started tuning for 1.5MeV 6Li 1+. Set ladder to position #2 - Blank 10mm. Far S2 iris closed.
Run # 181127151653 |
|
Mon Dec 3 17:34:38 2018, Thomas Chillery, Carlo Bruno, Raffaele Buompane, 6Li(p,p): Test measurement of 1.5MeV 6Li 1+ on thin CH2 50
|
On 27/11/2018:
After tuning beam (see previous eLog entry # 64)
Run #181127193908 |
|
Mon Dec 3 12:32:54 2018, Thomas Chillery, Carlo Bruno, Tom Davinson, Lucio Gialanella, Raffaele Buompane, 6.0MeV 7Be on CH2 XVIII
|
On 25/11/2018:
The beam was tuned for 6.0MeV 7Be 2+
Using 10mm aperture FCC = 12 pA |
|
Mon Dec 3 16:17:29 2018, Thomas Chillery, Carlo Bruno, Tom Davinson, Raffaele Buompane, David Rapagni, 3.0MeV 7Li on CH2 XIX and natC III
|
On 26/11/2018, after changing the far S2 mylar foil (see previous eLog entry #60):
Checked pulser frequency on oscilloscope: 19.31Hz
Began tuning 3MeV 7Li 2+. |
|
Mon Dec 3 16:39:42 2018, Thomas Chillery, Carlo Bruno, Tom Davinson, Raffaele Buompane, 3.0MeV 7Be on CH2 XIX
|
On 26/11/2018:
Tuned beam for 3.0MeV 7Be 2+. Far S2 iris was closed during tuning.
After tuning, using 10mm aperture FCC = 5pA, using 3mm aperture FCC = 4pA. |
|
Tue Dec 4 09:38:18 2018, Thomas Chillery, 181122 Electronics Map
|
See attached for S2 electronics map, following channels from S2 outputs to ADC inputs
For the 19/11/2018 - 29/11/2018 beamtime only the Far S2 was in operation |
|
Tue Aug 1 12:26:13 2017, Thomas Chillery, 10th - 22nd July 2017 Summary Report
|
Attached is a report summarising work performed on the electronics and target chamber in CIRCE from the 10th to the 22nd July 2017.
Outstanding problems have also been listed. |