AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40
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ID Date Author Subject Text Attachments
  38   Fri Apr 13 14:56:11 2018 Thomas Chillery, Lucio Gialanella7Be 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 Gialanella7Be 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 GialanellaSetting up for 7Be 5.0MeV beamDate: 07/04/2018

We changed to cathod 23 - 7Be

For beam tuning we:
  
  35   Fri Apr 13 13:59:18 2018 Thomas Chillery, Lucio Gialanella7Li 5.0MeV Beam test with Central S2 and Downstream S2 first 8 channelsDate: 07/04/2018

At 12:10 we started the DAQ for
5.0 MeV 7Li in 2+ charge state bombarding
 180407_7Li_5MeV_CentralS2_FrontStrip.png180407_7Li_5MeV_DWS2_FrontStrip.png180407_7Li_5MeV_CentralS2_BackStrip.png180407_7Li_5MeV_Diode.png 
  34   Fri Apr 13 08:24:47 2018 Thomas Chillery, Lucio GialanellaAttempting to add downstream S2 to DAQ setup and fixing problems during setupDate: 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 Buompane7Be 5.0MeV Beam test with central S2Date: 06/04/2018

Before starting this beam test
we lowered the channel thresholds on ADC
 180406_7Be_5MeV_CentralS2_BackStrip.jpg180406_7Be_5MeV_Diode.jpg180406_7Be_5MeV_CentralS2_FrontStrip.jpg 
  32   Thu Apr 12 13:12:00 2018 Thomas Chillery, Raffaele Buompane7Li 5.0MeV Beam tests with Central S2Date: 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 BuompaneCentral S2 Alpha CalibrationDate: 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 BuomparteTests - Attempting to solve noise issuesToday 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 DuartesTests - Attempting to solve noise issuesOn 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 DuartesTests - Attempting to solve noise issues, 15 min alpha calibrationOn 05/04/18:

At 9:00 the pressures read ~10mBar
inside the chamber (static vacuum). We began
 S2_2323-18_496um_Bias_Vs_Leakage_Current_050418.png 
  27   Fri Apr 6 11:39:10 2018 Thomas Chillery, Raffaele Buompane, David Rapagnani, Lucio GialanellaTests - Pumping down chamber and starting electronics testsOn 04/04/18:

We mounted S2 2323-18 (496um) in
the downstream position with 12um mylar
 S2_2323-18_496um_Bias_Vs_Leakage_Current.pngS2_2623-26_505um_Bias_Vs_Leakage_Current.png20180404_Pulser_PreampLid_ON.jpg20180404_Pulser_DisconnectedFromFeedthrough.jpg 
  26   Tue Apr 3 18:16:26 2018 Thomas Chillery, Lizeth Morales, Raffaele Buompane, Lucio GialanellaTests - 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
 IMG_2832.JPGIMG_2839.JPGIMG_2841.JPG 
  25   Tue Mar 27 16:36:01 2018 Thomas Chillery, Peter BlackTests - Modifying Chamber Parts in EdinburghBetween 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 BlackTests - Modifying Chamber Parts in EdinburghToday 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 BuompaneEnd of February 2018 ShiftsOn 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 BuompanePin Diode Pulser Walkthrough at End of February ShiftsOn 23/02/2018:

After the alpha source calibration
of the S2 (See eLog entry #21) we decided
 180223_PulserWalk_PinDiode_ADC6CH31.png 
  21   Tue Mar 6 15:29:55 2018 Thomas Chillery, Raffaele BuompaneCollecting S2 Alpha Calibration Spectra at End of February Test ShiftsOn 23/02/2018:

We moved the target ladder to position
7, 5.019mm, with the alpha source facing
 180223_Alpha_S2FrontStrip_ADC2CH20.png180223_Alpha_S2BackStrip_ADC4CH24.png 
  20   Sun Feb 25 15:59:38 2018 Thomas Chillery, Lizeth Morales, Raffaele Buompane, David Rapagnani, Lucio GialanellaMeasurement - 3.45MeV 7Li on CH2 Target IIIOn 23/02/2018 at 13:49 we started the DAQ
in list mode.

After starting the DAQ we sent
 180223_S2FrontStrip_ADC2CH20.png180223_S2BackStrip_ADC4CH24.png180223_PinDiode_ADC6CH31.png 
  19   Sun Feb 25 15:14:54 2018 Thomas Chillery, Lizeth Morales, David RapagnaniSetup - Beam Tuning and Prepare Chamber for Measurement at 3.45MeV 7Li - Morning of 23rdOn 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
  
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