[Halla_running] RC update for 19-Jun-2025

[Silviu Covrig Dusa]

Due to the holiday there will not be a daily 1pm RC meeting today. If you have any issues or concerns regarding the run plan, please call the RC phone.

Key updates for the last 24 h:

  *   Beam back from beam studies around 12:50 yesterday, cross check, beam raster and positions checked fine, went to production
  *   Machine was down for about 2h, during Swing, due to 2 cavities dropping out of HV (2L18 and 1L06, 2L18 was bypassed)
  *   8h run-plan with HCAL threshold at 10% and ECAL at 70%, beam current 15 µA completed Swing-Owl
  *   GEM baseline studies during Swing, baseline adjusted from 400-500 ADC ch to 800-900 ADC ch, summary in https://logbook.jlab.org/entry/44090882
  *
Since run 4770, 6:30am today, we are running at 22 µA beam current with HCAL at 20% and ECAL at 70% and new GEM baseline, the plan is to stay here until further notice
  *
Total Accumulated Charge at Kin3 so far: 25.82 C (Goal: 100 C)
  *
Total Accumulated Charge at Kin3 since June 18 Swing: 0.9 C


Run plan: Production on 30 cm LH2 cell at 22 uA with the current settings for GEMs, ECAL and HCAL

Shift summaries:
18-Jun-2025 D https://logbooks.jlab.org/entry/4400380
18-Jun-2025 S https://logbooks.jlab.org/entry/4400629
19-Jun-2025 O https://logbooks.jlab.org/entry/4400873

Shift BTA:
18-Jun-2025 D https://logbooks.jlab.org/entry/4400609
18-Jun-2025 S https://logbooks.jlab.org/entry/4400869
19-Jun-2025 O https://logbooks.jlab.org/entry/4401133

Kind Regards,

Silviu
RC phone 757-876-1787

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