Difference between revisions of "RGM RC Meeting Dec1 Dec7"
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| + | == Tuesday, December 7, 2021 == | ||
| + | * Last 24 hours | ||
| + | ** Completed change to Ca-48 target | ||
| + | ** Evening work to re-establish beam | ||
| + | *** Delays due to accelerator. | ||
| + | *** Centering the beam on the target | ||
| + | *** Luminosity scan | ||
| + | *** Beam-blocker transmission calibration | ||
| + | ** At 2:30 AM, began production at 80 nA | ||
| + | ** 12:30 PM, began low-luminosity run, to finish around 16:30 PM | ||
| + | * Issues | ||
| + | ** Any update on writing to tape? | ||
| + | *** We are still using DAQ config to PROD67_noVTPread | ||
| + | ** 2H01 Vacuum is reading 10^-2 | ||
| + | *** Persistent alarm state | ||
| + | *** Since upstream and downstream vacuum read 10^-6, this is likely a faulty gauge. | ||
| + | *** Unless the accelerator has major unplanned down-time, we'll replace this gauge during Friday access. | ||
| + | * Upcoming Plan | ||
| + | ** Run production at 80 nA until Friday | ||
| + | ** Friday full day of restricted access to switch to Ca-40 target | ||
| + | *** Use this opportunity to replace 2H01 vacuum gauge. | ||
| + | * Analysis | ||
| + | ** 2.0 GeV vs. 1.6 GeV for BAND calibrations | ||
| + | |||
| + | |||
| + | |||
| + | == Monday, December 6, 2021 == | ||
| + | * Last 24 hours | ||
| + | ** Production running on Sn target | ||
| + | *** Established 90 nA for production, limited by region 3 DC current and occupancy [https://logbooks.jlab.org/entry/3956825] | ||
| + | *** Gas alarm on FMT caused HV to shut down. [https://logbooks.jlab.org/entry/3956842] This wasn't noticed until 11 PM, i.e., runs 15320 to 15324 are missing the FMT. | ||
| + | *** Overnight BOM trips caused frequent FSD [https://logbooks.jlab.org/entry/3957194] | ||
| + | *** At 5 AM, a DAQ crate power supply needed to be replaced, by rapid access (thank you Sergey!) | ||
| + | ** This morning began switching to Ca-48 target | ||
| + | *** Went to restricted access at 7:30 AM | ||
| + | *** Work is still underway | ||
| + | *** Dan updated FTOF HV Settings | ||
| + | *** BOM repairs are complete | ||
| + | * Issues | ||
| + | ** DAQ | ||
| + | ** DC Occupancies | ||
| + | ** SVT / MVT / BMT Occupancies | ||
| + | ** Writing to tape | ||
| + | *** Switched to DAQ config to PROD67_noVTPread | ||
| + | * Upcoming Plan | ||
| + | ** This evening, we will begin production on Ca-48 | ||
| + | *** Re-establish beam, retune 2H01 | ||
| + | *** Luminosity scan to establish production current | ||
| + | *** Any other calibrations? | ||
| + | * Analysis | ||
| + | ** 2.0 GeV vs. 1.6 GeV for BAND calibrations | ||
| + | |||
| + | == Friday, December 3, 2021 == | ||
| + | * Last 24 hours | ||
| + | ** Mostly good beam, production running on C | ||
| + | ** Orbit Lock changed to 2H01 yesterday at 3PM | ||
| + | ** Low current run (20 nA), Run 15285, yesterday evening | ||
| + | ** Resumed 90 nA production running on C at the end of Swing | ||
| + | ** More DAQ issues resurfaced over night | ||
| + | *** Led to many short runs, which DO have good data and should be analyzed | ||
| + | * Issues | ||
| + | ** More DAQ trouble | ||
| + | *** Sergey switched the DAQ configuration to PROD66_noVTPread | ||
| + | ** Torus cryo alarm at 9:45 PM | ||
| + | * Upcoming Plan | ||
| + | ** Sunday, 12/5, 8AM, Switch from C to Sn | ||
| + | *** This time works for Eugene. | ||
| + | *** Eugene's help will be needed to recenter the beam on target | ||
| + | ** Monday, 12/6, Switch from Sn to Ca | ||
| + | *** Hall will go to restricted access from approx 7:30 AM to 5PM for target change work. | ||
| + | *** Denny is coordinating with MCC / RadCon to support this access. | ||
| + | ** Weekend meetings | ||
| + | *** RC/PD meetings scheduled for 9AM over the weekend on the usual BJ. | ||
| + | *** No daily RC Meeting over the weekend, but I will send an RC e-mail update. | ||
| + | *** Are analysis meetings needed? | ||
| + | * Analysis Meeting to Follow | ||
| + | |||
== Thursday, December 2, 2021 == | == Thursday, December 2, 2021 == | ||
* Last 24 hours | * Last 24 hours | ||
| Line 5: | Line 82: | ||
** 10:45 Resumed production Running | ** 10:45 Resumed production Running | ||
** Overnight DAQ issues | ** Overnight DAQ issues | ||
| − | ** 04:00 - 08:00 Beam down due to blown fuse ([https://logbooks.jlab.org/entry/3954681 | + | ** 04:00 - 08:00 Beam down due to blown fuse ([https://logbooks.jlab.org/entry/3954681 Logbook entry]) |
** More DAQ Issues in the morning | ** More DAQ Issues in the morning | ||
** 11:10 Stable running again | ** 11:10 Stable running again | ||
| + | * Updated monitoring reference run to 15283 (from today) | ||
* DAQ Issues | * DAQ Issues | ||
| + | * MVT Trips [https://logbooks.jlab.org/entry/3954882 Example] | ||
| + | * Question of DC Sector 1 Occupancies before Wednesday | ||
| + | ** Previously looked odd [https://logbooks.jlab.org/entry/3953609 Logbook entry] | ||
| + | ** Currently looks fine again [https://logbooks.jlab.org/entry/3954739 Logbook entry] | ||
* Short-term plan | * Short-term plan | ||
** As of yesterday, plan was to switch to Sn on Friday afternoon, Ca on Monday. | ** As of yesterday, plan was to switch to Sn on Friday afternoon, Ca on Monday. | ||
| + | *** Denny Insley plans to call for restricted access at 7:30 AM (Mon. 12/6), with goal to start work by 8:15 AM, finish by around the end of the day shift. | ||
** Any changes to this plan? | ** Any changes to this plan? | ||
** Any calibrations still needed on C (low current runs, etc.)? | ** Any calibrations still needed on C (low current runs, etc.)? | ||
Latest revision as of 14:18, 7 December 2021
Tuesday, December 7, 2021
- Last 24 hours
- Completed change to Ca-48 target
- Evening work to re-establish beam
- Delays due to accelerator.
- Centering the beam on the target
- Luminosity scan
- Beam-blocker transmission calibration
- At 2:30 AM, began production at 80 nA
- 12:30 PM, began low-luminosity run, to finish around 16:30 PM
- Issues
- Any update on writing to tape?
- We are still using DAQ config to PROD67_noVTPread
- 2H01 Vacuum is reading 10^-2
- Persistent alarm state
- Since upstream and downstream vacuum read 10^-6, this is likely a faulty gauge.
- Unless the accelerator has major unplanned down-time, we'll replace this gauge during Friday access.
- Any update on writing to tape?
- Upcoming Plan
- Run production at 80 nA until Friday
- Friday full day of restricted access to switch to Ca-40 target
- Use this opportunity to replace 2H01 vacuum gauge.
- Analysis
- 2.0 GeV vs. 1.6 GeV for BAND calibrations
Monday, December 6, 2021
- Last 24 hours
- Production running on Sn target
- Established 90 nA for production, limited by region 3 DC current and occupancy [1]
- Gas alarm on FMT caused HV to shut down. [2] This wasn't noticed until 11 PM, i.e., runs 15320 to 15324 are missing the FMT.
- Overnight BOM trips caused frequent FSD [3]
- At 5 AM, a DAQ crate power supply needed to be replaced, by rapid access (thank you Sergey!)
- This morning began switching to Ca-48 target
- Went to restricted access at 7:30 AM
- Work is still underway
- Dan updated FTOF HV Settings
- BOM repairs are complete
- Production running on Sn target
- Issues
- DAQ
- DC Occupancies
- SVT / MVT / BMT Occupancies
- Writing to tape
- Switched to DAQ config to PROD67_noVTPread
- Upcoming Plan
- This evening, we will begin production on Ca-48
- Re-establish beam, retune 2H01
- Luminosity scan to establish production current
- Any other calibrations?
- This evening, we will begin production on Ca-48
- Analysis
- 2.0 GeV vs. 1.6 GeV for BAND calibrations
Friday, December 3, 2021
- Last 24 hours
- Mostly good beam, production running on C
- Orbit Lock changed to 2H01 yesterday at 3PM
- Low current run (20 nA), Run 15285, yesterday evening
- Resumed 90 nA production running on C at the end of Swing
- More DAQ issues resurfaced over night
- Led to many short runs, which DO have good data and should be analyzed
- Issues
- More DAQ trouble
- Sergey switched the DAQ configuration to PROD66_noVTPread
- Torus cryo alarm at 9:45 PM
- More DAQ trouble
- Upcoming Plan
- Sunday, 12/5, 8AM, Switch from C to Sn
- This time works for Eugene.
- Eugene's help will be needed to recenter the beam on target
- Monday, 12/6, Switch from Sn to Ca
- Hall will go to restricted access from approx 7:30 AM to 5PM for target change work.
- Denny is coordinating with MCC / RadCon to support this access.
- Weekend meetings
- RC/PD meetings scheduled for 9AM over the weekend on the usual BJ.
- No daily RC Meeting over the weekend, but I will send an RC e-mail update.
- Are analysis meetings needed?
- Sunday, 12/5, 8AM, Switch from C to Sn
- Analysis Meeting to Follow
Thursday, December 2, 2021
- Last 24 hours
- RF Recovery Day
- 20:30 Began restablishing beam to the Hall
- 10:45 Resumed production Running
- Overnight DAQ issues
- 04:00 - 08:00 Beam down due to blown fuse (Logbook entry)
- More DAQ Issues in the morning
- 11:10 Stable running again
- Updated monitoring reference run to 15283 (from today)
- DAQ Issues
- MVT Trips Example
- Question of DC Sector 1 Occupancies before Wednesday
- Previously looked odd Logbook entry
- Currently looks fine again Logbook entry
- Short-term plan
- As of yesterday, plan was to switch to Sn on Friday afternoon, Ca on Monday.
- Denny Insley plans to call for restricted access at 7:30 AM (Mon. 12/6), with goal to start work by 8:15 AM, finish by around the end of the day shift.
- Any changes to this plan?
- Any calibrations still needed on C (low current runs, etc.)?
- As of yesterday, plan was to switch to Sn on Friday afternoon, Ca on Monday.
- Analysis Meeting to follow
Wednesday, December 1, 2021
- RC Change-over
- Re-establishing beam this afternoon/evening
- Short-term run plan