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ID Date Author Subject Text   78   Tue Feb 18 14:39:26 2020 Thomas Chillery Target Thicknesses Excel spreadsheet showing CH2 and natC target thicknesses attached      77   Wed Sep 18 14:01:13 2019 Thomas Chillery Logbook Spreadsheet See attached for the logbook      76   Tue Dec 4 11:23:29 2018 Thomas Chillery Chamber Dimensions See attached pictures for measurements of the 7Be(p,p) chamber dimensions. The target ladder center - Far      75   Tue Dec 4 09:40:31 2018 Thomas Chillery Preliminary measurements of target activation using geiger counter On 29/11/2018 at 17:40 a rough measurement of the irradiated target activity was performed using a geiger counter.      74   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      73   Mon Dec 3 19:04:20 2018 Thomas Chillery, Raffaele Buompane End of beamtime - Items to be shipped back to Edinburgh To be shipped back to Edinburgh for repair: Item      72   Mon Dec 3 18:55:31 2018 Thomas Chillery, Raffaele Buompane End of beamtime - Cleanup On 29/11/2018: Dismounted S2 2323-18 (496um), 12um mylar, diode, and diodes 0.9um mylar.  8x    71   Mon Dec 3 18:45:17 2018 Thomas Chillery, Raffaele Buompane End of beamtime - Module settings Diode Ortec 571 Amplifier Settings: Fine gain: 10 (0.5 ->1.5) Course gain: 50 Shaping time: 0.5us BLR      70   Mon Dec 3 18:30:53 2018 Thomas Chillery, Raffaele Buompane Calibration with alpha source - 12um mylar on Far S2 On 28/11/2018: Mounted 12um mylar in front of far S2 - see attached pictures 1 and 2      69   Mon Dec 3 18:15:42 2018 Thomas Chillery, Raffaele Buompane Calibration with alpha source - no mylar on Far S2 On 28/11/2018: At 13:35: Far S2 bias = -130.0V, leak I = 1.55uA. Diode bias = -70.1V, leak      68   Mon Dec 3 17:59:48 2018 Thomas Chillery, Raffaele Buompane Calibration with alpha source - 0.9um mylar on Far S2 On 28/11/2018: After pulser walkthrough (see eLog entry #67)      67   Mon Dec 3 17:51:46 2018 Thomas Chillery, Raffaele Buompane Pulser Walkthrough On 28/11/2018: Performed pulser walkthrough, Run # 181128090835      66   Mon Dec 3 17:40:51 2018 Thomas Chillery, Carlo Bruno, Raffaele Buompane Lab background On 27/11/2018: Run # 181127200709 Run time: 46329s Pulser      65   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)      64   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      63   Mon Dec 3 16:47:40 2018 Thomas Chillery, Carlo Bruno, Lizeth Morales Finishing 3.0MeV 7Be measurements with CH2 XIX and natC III On 27/11/2018: At 8:40 Far S2 bias = -130.0V, leak I = 1.74uA. Diode bias = -70.1V, leak      62   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.      61   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:      60   Mon Dec 3 15:51:11 2018 Thomas Chillery, Carlo Bruno, Tom Davinson, David Rapagni Changing far S2 protective mylar foil, preparing for 3.0MeV 7Li and 7Be On 26/11/2018, after 6.0MeV 7Be and 7Li beam measurements: At 11:15:      59   Mon Dec 3 12:57:54 2018 Thomas Chillery, Carlo Bruno, Tom Davinson, David Rapagni Finishing 6.0MeV 7Be 2+ and 7Li 2+ beam runs On 26/11/2018: The accelerator and chamber setup were still operating after the overnight      58   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+      57   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      56   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      55   Mon Nov 26 17:13:45 2018 Thomas Chillery, Carlo Bruno, Tom Davinson, Lucio Gialanella Preparing chamber for 4MeV 7Be 2+ beam On 24/11/2018: At 8:35 the chamber pressures read (mBar):      54   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      53   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+      52   Sat Nov 24 16:29:10 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Tom Davinson, Raffaele Buompane Preparing setup for 7Li beam On 23/11/2018: 10:15 started pumping down chamber with Ecodry 2      51   Sat Nov 24 15:07:00 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales, Tom Davinson Searching for causes of noise On 22/11/2018 in the afternoon: We increased the ADC thresholds to 40 (previously 8).      50   Sat Nov 24 15:05:40 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales FAIR DAQ The FAIR DAQ IP address: 192.168.1.90 The data is saved in /Local_Parts/Part0DE/ After each run we should copy the      49   Thu Nov 22 11:53:08 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales DAQ tests with alpha source The target ladder is set for position 7 - the double alpha source. Looking at the FAIR DAQ, for the      48   Thu Nov 22 11:34:07 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales Continuing Electronic Chain Tests This morning at 8:35am the pressures read (in mBar): TPU1 = 2.0e-6 TPU2      47   Wed Nov 21 09:34:26 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno Setting up chamber both for tests under vacuum and physics measurement Today we mounted the far aperture used to control the far iris. No problems were encountered with this.      46   Wed Nov 21 09:28:06 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales Problem encountered with near iris arm On 20/11/2018: After the electronics tests in air (see eLog entry #44) we started to setup      45   Wed Nov 21 09:09:41 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales, David Rapagni Mounting Detectors / Continuing Electronic Chain Tests On 20/11/2018: At 9:00 we walked into the lab, David R reported he found all the pumps OFF.      44   Wed Nov 21 08:53:06 2018 Thomas Chillery, Marialuisa Aliotta, Carlo Bruno, Lizeth Morales Testing Electronic Chain - No Detectors On 19/11/2018: During the vacuum test - see eLog entry #43 we performed noise tests on the      43   Wed Nov 21 08:45:03 2018 Thomas Chillery, Marialuisa Aliotta, Raffaele Buompane, Carlo Bruno Testing Chamber Vacuum On 19/11/2018: We mounted the following in the chamber:      42   Wed Nov 21 08:37:24 2018 Thomas Chillery, Marialuisa Aliotta, Raffaele Buompane Upstream Collimator On 19/11/2018: During the target ladder calibration (see elog entry #41) we also replaced the      41   Wed Nov 21 08:18:14 2018 Thomas Chillery, Marialuisa Aliotta Checking Target Ladder Calibration On 19/11/2018: There were three CH2 targets already mounted on the target frame, CH2 III, IV,      40   Wed Jul 11 15:55:35 2018 Thomas Chillery Electronics Channel Map See attached for Electronics Channel Map spreadsheet. This is valid for the February      39   Fri Apr 13 15:08:04 2018 Thomas Chillery, Lucio Gialanella End of shift - lab cleanup Date: 07/04/2018 Began dismounting detectors: All detectors powered off Closed      38   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      37   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      36   Fri Apr 13 14:31:59 2018 Thomas Chillery, Lucio Gialanella Setting up for 7Be 5.0MeV beam Date: 07/04/2018 We changed to cathod 23 - 7Be For beam tuning we:      35   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      34   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      33   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      32   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.      31   Thu Apr 12 12:47:04 2018 Thomas Chillery, Raffaele Buompane Central S2 Alpha Calibration Date: 06/04/2018 We connected the analogue signals of RAL X, XII, XIII, and "R" to      30   Fri Apr 6 14:54:12 2018 Thomas Chillery, Raffaele Buomparte Tests - Attempting to solve noise issues Today we started by mounting the central and downstream preamp box lids. The pumps were left running overnight,      29   Fri Apr 6 13:33:27 2018 Thomas Chillery, Raffaele Buomparte, David Rapagni, Jeremias Duartes Tests - Attempting to solve noise issues On 05/04/18, after eLog #28 After the alpha calibrationrun Raffaele arrived and started beam tuning      28   Fri Apr 6 12:07:52 2018 Thomas Chillery, Raffaele Buomparte, David Rapagni, Jeremias Duartes Tests - Attempting to solve noise issues, 15 min alpha calibration On 05/04/18: At 9:00 the pressures read ~10mBar inside the chamber (static vacuum). We began      27   Fri Apr 6 11:39:10 2018 Thomas Chillery, Raffaele Buompane, David Rapagnani, Lucio Gialanella Tests - Pumping down chamber and starting electronics tests On 04/04/18: We mounted S2 2323-18 (496um) in the downstream position with 12um mylar      26   Tue Apr 3 18:16:26 2018 Thomas Chillery, Lizeth Morales, Raffaele Buompane, Lucio Gialanella Tests - Unpacking and Mounting Chamber Parts This morning I unpacked the chamber parts. I mounted the downstream and central lids with the iris arm hooks to double check      25   Tue Mar 27 16:36:01 2018 Thomas Chillery, Peter Black Tests - Modifying Chamber Parts in Edinburgh Between 7th to 21st March modifications were made to the top of the CIRCE target chamber.  11x    24   Wed Mar 7 16:56:52 2018 Thomas Chillery, Peter Black Tests - Modifying Chamber Parts in Edinburgh Today we began examining and modifying parts of the chamber shipped from CIRCE to Edinburgh.      23   Tue Mar 6 15:55:04 2018 Thomas Chillery, Raffaele Buompane End of February 2018 Shifts On 23/02/2018: At the end of the February 2018 shifts the detectors bias settings were:      22   Tue Mar 6 15:41:53 2018 Thomas Chillery, Raffaele Buompane Pin Diode Pulser Walkthrough at End of February Shifts On 23/02/2018: After the alpha source calibration of the S2 (See eLog entry #21) we decided      21   Tue Mar 6 15:29:55 2018 Thomas Chillery, Raffaele Buompane Collecting S2 Alpha Calibration Spectra at End of February Test Shifts On 23/02/2018: We moved the target ladder to position 7, 5.019mm, with the alpha source facing      20   Sun Feb 25 15:59:38 2018 Thomas Chillery, Lizeth Morales, Raffaele Buompane, David Rapagnani, Lucio Gialanella Measurement - 3.45MeV 7Li on CH2 Target III On 23/02/2018 at 13:49 we started the DAQ in list mode. After starting the DAQ we sent      19   Sun Feb 25 15:14:54 2018 Thomas Chillery, Lizeth Morales, David Rapagnani Setup - Beam Tuning and Prepare Chamber for Measurement at 3.45MeV 7Li - Morning of 23rd On the morning of 23/02/18 we aimed to complete beam tuning of 7Li at 3.45MeV. At 8:43 CHUP = 7.2e-6mBar, CHDW      18   Fri Feb 23 13:15:05 2018 Thomas Chillery, Raffaele Buompane, David Rapagnani Setup - Beam Tuning and Prepare Chamber for Measurement at 3.45MeV 7Li - Night of 22nd Checking SRIM 3.5 MeV 7Li is stopped in 9.06um mylar or 10.09 um CH2. After the long run at 3.0MeV on      17   Thu Feb 22 18:04:12 2018 Thomas Chillery, Raffaele Buompane, David Rapagnani, Lucio Gialanella Measurement - 3.0MeV 7Li on CH2 Target VII Yesterday (21st) night we saw this low channel, high rate (1500Hz) noise on the diode spectrum - see eLog entry #15.      16   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      15   Thu Feb 22 10:40:49 2018 Thomas Chillery, Raffaele Buompane, David Rapagnani, Lucio Gialanella Measurement / Test - 3.0MeV 7Li on CH2 Target VII On 21/02/2018 after beam tuning and pumping down at 18:07 the pressures read Up = 1.2e-5mBar, Down = 3.2e-5mBar. We were happy to power      14   Thu Feb 22 07:58:48 2018 Thomas Chillery, Tom Davinson, Raffaele Buompane, David Rapagnani, Lucio Gialanella Setup - Beam Tuning and Prepare Chamber for Measurement at 3.0MeV 7Li On 21/02/2018 we reattempted the beam tuning. We expected this to be easier now the rogue mylar is removed from the beamline.      13   Wed Feb 21 10:46:22 2018 Thomas Chillery, Tom Davinson, Raffaele Buompane, David Rapagnani Setup - Pulser Settings and 20/02/2018 Pulser Walkthrough The PB-5 Pulse Generator settings are as follows: Fall Time = 100us      12   Tue Feb 20 17:03:08 2018 Thomas Chillery, Tom Davinson, Raffaele Buompane, David Rapagnani Setup - Beam Tuning The pumps were left on overnight, in the morning at 8:25 the pressure reads: Up = 1.5e-5 mBar and Down = 4.0e-5      11   Tue Feb 20 16:57:49 2018 Thomas Chillery Screenshots - ADC 2 and ADC 4 settings, and example pulser walkthrough    11x    10   Tue Feb 20 09:19:19 2018 Thomas Chillery, Tom Davinson, Raffaele Buompane, David Rapagnani Setup - Testing Chamber Vacuum and Mounting Detectors and Alpha Source (Note: Tom Davinson is now in CIRCE until the 21st) On 19/02/2018 we performed the      9   Sat Feb 17 13:00:51 2018 Thomas Chillery Test - S2 Detector Bias This morning whilst I was setting up the ribbon cabling (see eLog entry #8) I was considering collecting a voltage bias vs      8   Sat Feb 17 12:35:25 2018 Thomas Chillery Setup - Electronic Cabling Between 9:00 to 12:30 this morning Filipo was working on the weekend 14C measurements, allowing me to work in the lab during this      7   Fri Feb 16 18:28:42 2018 Thomas Chillery, David Rapagnani Setup - Testing Chamber Vacuum By 16:40 I mounted all three chamber lids. The central chamber lid includes the diode detector mount, the iris, a vacuum      6   Fri Feb 16 18:21:17 2018 Thomas Chillery Iris arm problems After lunch we were still having problems with the aperture hook, see first attached image highlighting the arm is located in      5   Fri Feb 16 18:10:34 2018 Thomas Chillery, David Rapagnani Setup - Electronics Rack and Aperture Iris This morning we moved the electronics rack to within ~2.5m of the target chamber, leaving room for the ribbons cables of ~5m length      4   Thu Feb 15 20:45:27 2018 Thomas Chillery Planning - Target Chamber CAD diagram Find attached the latest CAD diagram of the Target Chamber, drawn by Peter Black      3   Thu Feb 15 17:45:07 2018 Thomas Chillery, Raffaele Buompane Setup - Problem: Connecting the actuator arm to the iris aperture arm After lunch we attempted to connect the actuator arms to the iris arm used to change the iris diameter. We need two iris diameters:      2   Thu Feb 15 17:34:28 2018 Thomas Chillery, Raffaele Buompane Setup - Mounting Target Chamber Sections This morning both myself and Raffaele mounted the beamline section of the target chamber. We also mounted the turbo located      1   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.

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