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193rd EATM Meeting

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530/R-030 - BE-EA Conference Room (CERN)

530/R-030 - BE-EA Conference Room

CERN

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Dipanwita Banerjee (CERN), Laurie Nevay (CERN), Silvia Schuh-Erhard (CERN)
EATM
Zoom Meeting ID
68532597970
Host
Dipanwita Banerjee
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    • 14:00 → 14:05
      News 5m
      • Approval of the 192nd EATM Minutes
      Speakers: Dipanwita Banerjee (CERN), Laurie Nevay (CERN), Silvia Schuh-Erhard (CERN)
      2025-1028-eatm-minutes-v2.pdf
    • 14:05 → 14:10
      Action items 5m
      Speaker: Dipanwita Banerjee (CERN)
      EATM_ACTION_ITEMS_18_Nov_2025.docx
      EATM_ACTION_ITEMS_18_Nov_2025.pdf
    • 14:10 → 14:30
      Key information from different meetings 20m
      Speakers: Bastien Rae (CERN), Giulia Romagnoli (CERN), Michael Lazzaroni (CERN), Natalya Kahn, Sylvain Girod (CERN)
    • 14:30 → 14:45
      Strategy update for North Area profile monitors 15m
      Speaker: Inaki Ortega Ruiz (CERN)
      Strategy update for North Area profile monitors.pdf
      Strategy update for North Area profile monitors.pptx
    • 14:45 → 14:55
      LS3 constraints and planning 10m
      Speaker: Bastien Rae (CERN)
      EA_LS3_Planning_and_Constraint_EATM_2025-11-18.pdf
      EA_LS3_Planning_and_Constraint_EATM_2025-11-18.pptx
    • 14:55 → 15:05
      Preparation for North Area Ion run 10m
      Speaker: Sylvain Girod (CERN)
      H2_H4_H8_configuration_for_Ions_run_2025.pdf
      H2_H4_H8_configuration_for_Ions_run_2025.pptx
    • 15:05 → 15:20
      News from Experiments 15m
      Speakers: Aleksandr Dmitriev (Joint Institute for Nuclear Research (RU)), Alice Marie Goillot, Antti Onnela (CERN), Bartosz Maksiak (National Centre for Nuclear Research (PL)), Benjamin Moritz Veit (Johannes Gutenberg Universitaet Mainz (DE)), Carlo Ferrari (Fermi National Accelerator Laboratory), Clara Matteuzzi (Syracuse University (US)), Eva Sommer (University of Vienna (AT)), Federico Ravotti (CERN), Francois Duval (CERN), Giuseppe Pezzullo (CERN), Giuseppe Ruggiero (Universita e INFN, Firenze (IT)), Graziano Venanzoni (Universita & INFN Pisa (IT)), Hans Danielsson (CERN), Jan Friedrich (Technische Universitaet Muenchen (DE)), Jasper Kirkby (Goethe University Frankfurt (DE)), Josef Novy (Czech Technical University in Prague (CZ)), Laura Molina Bueno (Univ. of Valencia and CSIC (ES)), Martin R. Jaekel (CERN), Maxim Alexeev (Universita e INFN Torino (IT)), Nikolaos Charitonidis (CERN), Dr Oleg Denisov (INFN, sezione di Torino), Paolo Crivelli (ETH Zurich (CH)), Paolo Martinengo (CERN), Roberto Piandani (Univ. Autonoma de San Luis Potosi), Salvatore Danzeca (CERN), Sergei Gninenko (Millennium Institute for Subatomic Physics at High Energy Frontier (CL)), Dr Thomas Poschl (CERN), Vladimir Poliakov (Millennium Institute for Subatomic Physics at High Energy Frontier (CL))
      • IRRAD/CHARM 5m

        Offline Report:

        It has been an exceptional year: 53 experiments (1367 samples exposed to the beam) in IRRAD and 42 system-level (+120 component) tests in CHARM.

        We could certainly not process so many samples, users, and components without the higher intensity and stable beam that we got since 2024. This also helped a lot in this last month where we had to accommodate an extra-load of experiments and samples to investigate recent issues found in the detector electronics for the Phase II experiment. The less-urgent requests we could not fulfill in 2025 are already in the planning for the beginning of 2026. With CHARM we are re-opening (through our user e-groups) the call for experiments for 2026 in these days.

        Overall, the whole run 2025 was very smooth (even gave us the opportunity to start testing new beams, as the lower momenta one) and we warmly thank all support groups involved in our operation that enable this achievement. The proton run ends tonight and, after the access tomorrow, we continue with the 2 weeks of Pb run for HEARTS (15 user teams in the schedule).

      • AMBER 5m
      • NA62 5m
      • NA64 5m
      • NA61 5m

        Quick summary

        • Running with liquid hydrogen target since Nov 2 (9 pm) until Monday morning.
        • LHT system running perfectly stable
        • Permanent problems with low efficiency of delay wire chambers
        • Since Monday morning switching to ion run with Pb target. All requests for changes already sent.

         

        Problems with DWCs

        • DWC efficiencies significantly lower than during the runs in summer (>95% then)
        • Started the run with efficiencies at the level of 40%.
        • Improvements to 80-95% achieved by:
          • Raising high voltages
          • Tuning thresholds on signal discriminators
          • Moving the chambers so the beam does not hit their center
          • We also followed the way of our colleagues from H8 and connected our gas supply to DWC3 (at position 573)
        • DWC3 gives particularly bad efficiency due to an unknown problem with the Down channel having significantly higher noise than the other channels (cable? discriminator? wires inside the chamber?)
      • CLOUD 5m

        CLOUD18 run proceeds well and is scheduled to end on Monday 1 Dec morning. The week of 1-5 Dec will be for calibrations and instrument removal & shipment. The entrance zone next to CLOUD will be busy during the 1-5 Dec week. An IMPACT will be created by Antti Onnela for the instrument removal & shipment activity.

        Evacuation of the East Hall was triggered by mistake on 15 October by a CLOUD member touching an evacuation alarm button while moving equipment in the entrance zone next to CLOUD. Fire brigade came and the alarm was deactivated. Apologies to the other users of the East Hall for this inconvenience and thanks for an appropriately done evacuation.

      • GIF++ 5m
      • HiRadMat 5m
    • 15:20 → 15:50
      A.O.B. 30m
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