Difference between revisions of "Run Planning Meeting Notes, September 30 - October 6, 2021"

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<- Back to [[Run Coordination Meetings:Summer2021]]
 
<- Back to [[Run Coordination Meetings:Summer2021]]
−
=Saturday, October 1, 10:00 am=
+
=Wednesday, October 6=
 
#In last 24 hours:
 
#In last 24 hours:
−
#* Early Riser summary
+
#* Target work (empty --> LHe4 cell) was completed at 17:00, and beam came back at 19:45.
−
#* Owl summary
+
#** [https://logbooks.jlab.org/entry/3918490 Radiation Level]: OK
 +
#** [https://logbooks.jlab.org/entry/3918685 Harp scan]: looks OK
 +
#* We took [https://logbooks.jlab.org/entry/3918697 a bleedthru study run], and production runs with 200 nA beam through the night.
 +
#* At 7:05, we started to cool down the target cell without filling with the helium. During cooling down, we are taking data with 100 nA beam.
 +
#* [https://logbooks.jlab.org/entry/3918848 Early Riser summary]
 +
#* [https://logbooks.jlab.org/entry/3918720 Owl summary]
 +
#* [https://logbooks.jlab.org/entry/3918490 Swing summary]
 +
#* [https://logbooks.jlab.org/entry/3918267 Day summary]
 +
#* [https://logbooks.jlab.org/entry/3918904 Transmission dropped by about 6%] (Alexandre)
 +
#Issues:
 +
#* [https://logbooks.jlab.org/entry/3918220 BCAL TDC occupancy non-uniformity] (Mark D.)
 +
#* [https://logbooks.jlab.org/entry/3918788 One of the hall cameras cannot be opened.]
 +
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 +
#* During cooling down, we continue to take data with 100 nA beam (until Sasha comes to counting house).
 +
#* After that, we are going to fill the cell with liquid He-4, and start production at the nominal luminosity 200 nA (5 shifts).
 +
#* After Hall A comes back in the evening, we will perform [https://logbooks.jlab.org/entry/3913494 Radiation level check] and [https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan Harp scan].
 +
#* Also after Hall A comes back, we will take [https://logbooks.jlab.org/entry/3918697 another bleedthru study run] again.
 +
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
 +
 
 +
=Tuesday, October 5=
 +
#In last 24 hours:
 +
#* Target work (Be --> empty) was completed at noon, and we started empty target runs (200 nA, 100 nA, 50 nA). At 9:00 this morning, we will start LHe4 target installation work.
 +
#** [https://logbooks.jlab.org/entry/3917557 Radiation Level]: OK
 +
#** [https://logbooks.jlab.org/entry/3917641 Harp scan]: OK
 +
#* [https://logbooks.jlab.org/entry/3918114 Early Riser summary]
 +
#* [https://logbooks.jlab.org/entry/3917987 Owl summary]
 +
#* [https://logbooks.jlab.org/entry/3917744 Swing summary]
 +
#* [https://logbooks.jlab.org/entry/3917557 Day summary]
 +
#* Run 81383 is a short bleedthrough study run with laser OFF. See: [https://logbooks.jlab.org/entry/3917724 beam structure] (Beni)
 +
#* [https://logbooks.jlab.org/entry/3917921 CCAL LEDs for 200 nA and 50 nA runs] (Sasha)
 +
#Issues and reports:
 +
#* [https://logbooks.jlab.org/entry/3917744 Beam energy drift]
 +
#* [https://logbooks.jlab.org/entry/3917520 Weird time difference distribution between two FCAL clusters] (Igal)
 +
#* [https://logbooks.jlab.org/entry/3917559 bg PSC coinc rate comparison with 2/2018] (Richard)
 +
#* [https://logbooks.jlab.org/entry/3917732 BCAL monitoring plot strange]
 +
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 +
#* After target work:
 +
#** [https://logbooks.jlab.org/entry/3913494 Radiation level check] and [https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan Harp scan]
 +
#** Should we take laser OFF data (30min) before hall A comes on line? --> Yes. Set random pulser frequency to 10 kHz.
 +
#* Take data with empty target (He-4 gas target).
 +
#** 4 shifts with a 200 nA beam. Do we need to take data with 100nA/50nA beams?
 +
#** After this empty target run, we will fill the target (0.5 shift) and start production runs.
 +
#* Hall A will come on line tomorrow afternoon/evening. --> After hall A comes back, radiation level check/Harp scan will be performed.
 +
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
 +
 
 +
=Monday, October 4=
 +
#In last 24 hours:
 +
#* We had a 5h long downtime (11:00-16:00). After that, we continued taking data with a stable 200 nA beam. At 7:00 am, we stopped data taking and target group started to remove Be target.
 +
#* [https://logbooks.jlab.org/entry/3917372 Early Riser summary]
 +
#* [https://logbooks.jlab.org/entry/3917180 Owl summary]
 +
#* [https://logbooks.jlab.org/entry/3917050 Swing summary]
 +
#* [https://logbooks.jlab.org/entry/3917010 Day summary]
 +
#* [https://logbooks.jlab.org/entry/3917170 PrimEx production on Be target] (Sasha)
 +
#* [https://logbooks.jlab.org/entry/3917171 Trigger rates on Be target] (Sasha)
 +
#Issues:
 +
#* [https://logbooks.jlab.org/entry/3917104 Double timing peaks] (Sean)
 +
#* [https://logbooks.jlab.org/entry/3917131 60 Hz modulations of TOF rates]
 +
#* [https://logbooks.jlab.org/entry/3917218 FCAL suspicious channels] (Igal)
 +
#* [https://logbooks.jlab.org/entry/3917379 VNC frozen] (Beni)
 +
#* [https://logbooks.jlab.org/entry/3917440 beam structure with one tagger counter] (Beni)
 +
#* [https://logbooks.jlab.org/entry/3917493 Unstable Tagger NMR probe] (Alexandre)
 +
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 +
#* After target work:
 +
#** [https://logbooks.jlab.org/entry/3913494 Radiation level check] and [https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan Harp scan]
 +
#** Request a 200 nA beam and start to take data with empty target (4 shifts?).
 +
#* Install LH4 target on Tue.?
 +
#* Beam Studies on Tue.
 +
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
 +
 
 +
=Sunday, October 3, 10:00 am=
 +
#In last 24 hours:
 +
#* We had a 4.5h long downtime and a 1h long downtime. Aside from that, 100 nA beam has been stable.
 +
#* [https://logbooks.jlab.org/entry/3916887 Early Riser summary]
 +
#* [https://logbooks.jlab.org/entry/3916760 Owl summary]
 +
#* [https://logbooks.jlab.org/entry/3916522 Swing summary]
 +
#* [https://logbooks.jlab.org/entry/3916421 Day summary]
 +
#* There was a 4.5h long downtime (12:00 - 16:30).
 +
#** [https://logbooks.jlab.org/entry/3916644 Harp scan]
 +
#* Sasha did trigger study.
 +
#Issues:
 +
#* DAQ and data monitoring
 +
#** ROCtrig2 required 5 power cycles before DAQ started properly. (Also, Sergey was not able to connect to gluon04 from home) [https://logbooks.jlab.org/entry/3916887]
 +
#** [https://logbooks.jlab.org/entry/3916886 Single event display does not work]
 +
#* Beam quality (bleedthrough)
 +
#** [https://logbooks.jlab.org/entry/3916956 Beam structure] (Beni)
 +
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 +
#* This morning, we will switch to 200 nA production (Sasha will come to the counting house).
 +
#* Remove Be target to take empty target on Mon.
 +
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
 +
 
 +
=Saturday, October 2, 10:00 am=
 +
#In last 24 hours:
 +
#* We are continuing data taking with 50 nA beam and with chambers turned on.
 +
#* [https://logbooks.jlab.org/entry/3916308 Early Riser summary]
 +
#* [https://logbooks.jlab.org/entry/3916234 Owl summary]
 
#* [https://logbooks.jlab.org/entry/3916055 Swing summary]
 
#* [https://logbooks.jlab.org/entry/3916055 Swing summary]
 
#* [https://logbooks.jlab.org/entry/3915892 Day summary]
 
#* [https://logbooks.jlab.org/entry/3915892 Day summary]
 
#Issues:
 
#Issues:
−
#* Bleedthrough
+
#* [https://logbooks.jlab.org/entry/3915888 Issues with reference plots]
−
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan:]
+
#* [https://logbooks.jlab.org/entry/3915896 Problems starting a new run] (Mark/Sergey)
−
#* 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
+
#* [https://logbooks.jlab.org/entry/3916319 BCAL hot channel?]
 +
#* [https://logbooks.jlab.org/entry/3916323 Top Alcohol Bubbler should be refilled]
 +
#* Beam quality (and chamber trips)
 +
#** PS harp scan seems good (Hovanes) [https://logbooks.jlab.org/entry/3915979][https://logbooks.jlab.org/entry/3915982]).
 +
#** Bleedthrough .. more likely get worse when Hall A comes on line on Wed.
 +
#** [https://logbooks.jlab.org/entry/3916403 Bleedthrough today] (Beni)
 +
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 +
#* After this 10:00 meeting, we will stop 50 nA production and turn off chambers (Lubomir is on shift), then Sasha will perform rate scan (it will take 40 min). After that, we will move on to 100 nA production.
 
#* 100 nA CDC & FDC turn off (2 shifts)
 
#* 100 nA CDC & FDC turn off (2 shifts)
 
#* 200 nA CDC & FDC turn off (8.4 shifts)
 
#* 200 nA CDC & FDC turn off (8.4 shifts)
−
#* Remove Be target to take empty target (will take 8h. on Monday?)
+
#* Remove Be target to take empty target (will take 8h)
 +
#** On Tuesday, there will very likely be a down time (beam studies or another attempt to fix the Hall C tune mode generator).
 +
#** Hall A will come on line on Wed. (tentative schedule)
 
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
 
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
  
Line 29: Line 132:
 
#* [https://logbooks.jlab.org/entry/3915713 FCAL FADC scalers disconnected]
 
#* [https://logbooks.jlab.org/entry/3915713 FCAL FADC scalers disconnected]
 
#* Bleedthrough
 
#* Bleedthrough
−
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan:]
+
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 
#* 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
 
#* 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
 
#* 100 nA CDC & FDC turn off (2 shifts)
 
#* 100 nA CDC & FDC turn off (2 shifts)
 
#* 200 nA CDC & FDC turn off (8.4 shifts)
 
#* 200 nA CDC & FDC turn off (8.4 shifts)
 
#* Remove Be target to take empty target (will take 8h. on Monday?)
 
#* Remove Be target to take empty target (will take 8h. on Monday?)
 +
#* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.]
  
 
=Thursday, September 30=
 
=Thursday, September 30=
Line 52: Line 156:
 
#* [https://logbooks.jlab.org/entry/3914823 5 FCAL bases don't reach 1800V] (Mark/Malte)
 
#* [https://logbooks.jlab.org/entry/3914823 5 FCAL bases don't reach 1800V] (Mark/Malte)
 
#* Bleedthrough
 
#* Bleedthrough
−
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan:]
+
#[https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2021.pdf Plan]:
 
#* Before taking data: [https://logbooks.jlab.org/entry/3913494 check radiation level and beam quality] ([https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan HARP scan])
 
#* Before taking data: [https://logbooks.jlab.org/entry/3913494 check radiation level and beam quality] ([https://halldweb.jlab.org/hdops/wiki/index.php/Beam_Line_Detectors_Shift#Radiator_Harp_Scan HARP scan])
 
#* 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
 
#* 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around

Latest revision as of 10:44, 6 October 2021

<- Back to Run Coordination Meetings:Summer2021

Wednesday, October 6

  1. In last 24 hours:
  2. Issues:
  3. Plan:

Tuesday, October 5

  1. In last 24 hours:
  2. Issues and reports:
  3. Plan:
    • After target work:
      • Radiation level check and Harp scan
      • Should we take laser OFF data (30min) before hall A comes on line? --> Yes. Set random pulser frequency to 10 kHz.
    • Take data with empty target (He-4 gas target).
      • 4 shifts with a 200 nA beam. Do we need to take data with 100nA/50nA beams?
      • After this empty target run, we will fill the target (0.5 shift) and start production runs.
    • Hall A will come on line tomorrow afternoon/evening. --> After hall A comes back, radiation level check/Harp scan will be performed.
    • For shift workers: FCAL scaler should be checked frequently.

Monday, October 4

  1. In last 24 hours:
  2. Issues:
  3. Plan:

Sunday, October 3, 10:00 am

  1. In last 24 hours:
  2. Issues:
  3. Plan:

Saturday, October 2, 10:00 am

  1. In last 24 hours:
  2. Issues:
  3. Plan:
    • After this 10:00 meeting, we will stop 50 nA production and turn off chambers (Lubomir is on shift), then Sasha will perform rate scan (it will take 40 min). After that, we will move on to 100 nA production.
    • 100 nA CDC & FDC turn off (2 shifts)
    • 200 nA CDC & FDC turn off (8.4 shifts)
    • Remove Be target to take empty target (will take 8h)
      • On Tuesday, there will very likely be a down time (beam studies or another attempt to fix the Hall C tune mode generator).
      • Hall A will come on line on Wed. (tentative schedule)
    • For shift workers: FCAL scaler should be checked frequently.

Friday, October 1

  1. In last 24 hours:
  2. Issues:
  3. Plan:

Thursday, September 30

  1. In last 24 hours:
  2. Issues:
  3. Plan:
    • Before taking data: check radiation level and beam quality (HARP scan)
    • 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
    • 100 nA CDC & FDC turn off (2 shifts)
    • 200 nA CDC & FDC turn off (8.4 shifts)
    • Remove Be target to take empty target (will take 8h. on Monday?)
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