Difference between revisions of "Run Planning Meeting Notes, Apr 11 - Apr 17, 2019"

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(Monday, Apr. 15 at 08:45)
 
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* To join via a Web Browser, go to the page [https://bluejeans.com/660743227 https://bluejeans.com/660743227]
 
* To join via a Web Browser, go to the page [https://bluejeans.com/660743227 https://bluejeans.com/660743227]
  
== Thursday, Apr. 4 at 08:45 ==
+
== Thursday, Apr. 11 at 08:45 ==
 +
:1. Notes from the past 24 hours
 +
:*Continued running at 200nA on LHe Target.
 +
:*1.63B triggers collected.
 +
:*MCC took away beam around 16:55 due to magnet issues, beam returned shortly after.
 +
:*One DAQ crash in the evening around 21:00, Surgey was here at the time and corrected.
 +
:*Drew covered the emergency replacement for the Duck Hunter shift this morning.
 +
 
 +
:2. Issues
 +
:*Gradual decrease and increase in PSC scalar rate ([https://logbooks.jlab.org/entry/3677566 Logbook entry 3677566], [https://logbooks.jlab.org/entry/3677654 Logbook entry 3677654], and [https://logbooks.jlab.org/entry/3677703 Logbook entry 3677703]).
 +
:
 +
:3. Reports
 +
:*Rate drop yesterday ([https://logbooks.jlab.org/entry/3677875 Logbook entry 3677875]).
 +
:4. Today
 +
:*Continue running production at 200nA, 10<sup>-4</sup> Al LHe target.
 +
:5. Run Plan
 +
:*End of run period in 4 days, Monday 6AM beam off.
 +
 
 +
:6. AOB
 +
 
 +
== Friday, Apr. 12 at 08:45 ==
 +
:1. Notes from the past 24 hours
 +
:*Continued running at 200nA on LHe Target.
 +
:*Accelerator experienced hardware issues and required access to replace a power supply, the beam was gone between 09:10 and 13:40.
 +
:*0.95B triggers collected.
 +
 
 +
:2. Issues
 +
:*At 06:00 MCC reported issue with 5th pass separator and informed shift crew to expect the beam to be off for approximately one hour. Beam returned around 07:45.
 +
:3. Reports
 +
:*Rate drop on Wednesday, continuing discussion, 
 +
::*[https://logbooks.jlab.org/entry/3677903 Logbook entry 3677903]
 +
::*[https://logbooks.jlab.org/entry/3677921 Logbook entry 3677921]
 +
::*[https://logbooks.jlab.org/entry/3677931 Logbook entry 3677931]
 +
::*[https://logbooks.jlab.org/entry/3677960 Logbook entry 3677960]
 +
:*Rate monitoring.
 +
::*[https://logbooks.jlab.org/entry/3678179 Logbook entry 3678179]
 +
 
 +
:4. Today
 +
:*Run production at 50nA, 10<sup>-4</sup> Al LHe target. Turn on the forward drift chamber and run for two shifts, or until satisfied with statistics.  Then turn off FDC and increase to 100nA beam and run for one shift.
 +
:5. Run Plan
 +
:*End of run period in 3 days, Monday 6AM beam off.
 +
 
 +
:6. AOB
 +
 
 +
== Monday, Apr. 15 at 08:45 ==
 +
:1. Notes from the past 72 hours
 +
:*1.1B events recorded.
 +
:*Began running production at 50nA with the FDC included on Friday morning. The FDC had single channel trips from time to time which were reset manually.
 +
:*Friday evening Sasha, Vlad, and Josh made access to exchange the crystals in the 3x3 prototype from CRYTUR to SICCAS.
 +
:*MCC reported issues with the injector early Saturday morning, they took away the beam between 03:10 and 03:55. 
 +
:*FDC was turned off Saturday evening and at 21:30 we began to take data with 100nA beam continuing untill 10:50 Sunday.
 +
:*Access was made on Sunday afternoon to exchange nine of the bases from ComCal to test new divider type.
 +
:*Snake scan was conducted on CompCal.
 +
:*Experienced beam interruptions between 02:00 and 05:20, most likely due in part to the weather.
 +
:*Sasha and Vlad made one more quick access at 02:40 while the beam was off.
 +
:*Beam was turned off on Monday morning at 06:00AM
 +
 
 +
:2. Issues
 +
:*No major issues.
 +
 
 +
:3. Reports
 +
:*[https://logbooks.jlab.org/entry/3678994 Logbook entry 3678994]
 +
 
 +
:4. Today
 +
:*Securing the hall from run conditions. 
 +
 
 +
:5. Run Plan
 +
:*Concluded the Spring PrimEx run.
 +
 
 +
:6. AOB
 +
:*Scheduled power outage on Monday, April 22. Make sure all crucial electronics and detector components should be powered down by Friday, April 19.
 +
:*Hot Checkout List

Latest revision as of 08:12, 15 April 2019

Thursday, Apr. 11 at 08:45

1. Notes from the past 24 hours
  • Continued running at 200nA on LHe Target.
  • 1.63B triggers collected.
  • MCC took away beam around 16:55 due to magnet issues, beam returned shortly after.
  • One DAQ crash in the evening around 21:00, Surgey was here at the time and corrected.
  • Drew covered the emergency replacement for the Duck Hunter shift this morning.
2. Issues
3. Reports
4. Today
  • Continue running production at 200nA, 10-4 Al LHe target.
5. Run Plan
  • End of run period in 4 days, Monday 6AM beam off.
6. AOB

Friday, Apr. 12 at 08:45

1. Notes from the past 24 hours
  • Continued running at 200nA on LHe Target.
  • Accelerator experienced hardware issues and required access to replace a power supply, the beam was gone between 09:10 and 13:40.
  • 0.95B triggers collected.
2. Issues
  • At 06:00 MCC reported issue with 5th pass separator and informed shift crew to expect the beam to be off for approximately one hour. Beam returned around 07:45.
3. Reports
  • Rate drop on Wednesday, continuing discussion,
  • Rate monitoring.
4. Today
  • Run production at 50nA, 10-4 Al LHe target. Turn on the forward drift chamber and run for two shifts, or until satisfied with statistics. Then turn off FDC and increase to 100nA beam and run for one shift.
5. Run Plan
  • End of run period in 3 days, Monday 6AM beam off.
6. AOB

Monday, Apr. 15 at 08:45

1. Notes from the past 72 hours
  • 1.1B events recorded.
  • Began running production at 50nA with the FDC included on Friday morning. The FDC had single channel trips from time to time which were reset manually.
  • Friday evening Sasha, Vlad, and Josh made access to exchange the crystals in the 3x3 prototype from CRYTUR to SICCAS.
  • MCC reported issues with the injector early Saturday morning, they took away the beam between 03:10 and 03:55.
  • FDC was turned off Saturday evening and at 21:30 we began to take data with 100nA beam continuing untill 10:50 Sunday.
  • Access was made on Sunday afternoon to exchange nine of the bases from ComCal to test new divider type.
  • Snake scan was conducted on CompCal.
  • Experienced beam interruptions between 02:00 and 05:20, most likely due in part to the weather.
  • Sasha and Vlad made one more quick access at 02:40 while the beam was off.
  • Beam was turned off on Monday morning at 06:00AM
2. Issues
  • No major issues.
3. Reports
4. Today
  • Securing the hall from run conditions.
5. Run Plan
  • Concluded the Spring PrimEx run.
6. AOB
  • Scheduled power outage on Monday, April 22. Make sure all crucial electronics and detector components should be powered down by Friday, April 19.
  • Hot Checkout List