RPC weekly meeting

Monday 15 Sept 2025, 09:15 → 10:30 Europe/Zurich

CERN

Davide Boscherini (Universita e INFN, Bologna (IT)), Giulio Aielli (INFN e Universita Roma Tor Vergata (IT)), Mohamed Zaazoua (University of Science and Technology of China (CN))

Weekly meeting about the RPC system activities

• List of interventions or pending issues:    follow this link

1 Communication to/from gas group

Speakers: Beatrice Mandelli (CERN), Enrico Pastori (INFN e Universita Roma Tor Vergata (IT)), Gianluca Rigoletti (CERN), Giulio Aielli (INFN e Universita Roma Tor Vergata (IT)), Kacper Kapusniak (CERN), Roberto Guida (CERN)

2 Detector and trigger reports

Speakers: Claudio Luci (Sapienza Universita e INFN, Roma I (IT)), Daniela Katherinne Paredes Hernandez (University of Hong Kong (HK)), Enrico Pastori (INFN e Universita Roma Tor Vergata (IT)), Enrico Tusi (INFN e Universita Roma Tor Vergata (IT)), Eric Ballabene (University and INFN, Bologna (IT)), Dr Federico Lasagni Manghi (Universita e INFN, Bologna (IT)), Giulio Aielli (INFN e Universita Roma Tor Vergata (IT)), Mr Mohamed Zaazoua (University of Science and Technology of China (CN)), Sinem Simsek (Istinye University (TR))

• Vth tuning in noisy trigger tower s55_t4 on 10/09 [e-log]
  BML5A13.CO.Ly0.ETA 1.0 → 0.8 V
  BML5A13.CO.Ly1.ETA 1.0 → 0.0 V
  The initial noise rate of 10.3 kHz has been lowered to 6.4 kHz.
  
  
• One CAEN Board went into unplugged status, affecting 4 Vpad channels [e-log]
  • However, they are working from the trigger side.
    
    
• Cavern intervention during access on 12/09 [e-log]
  • The ADC board Y_2904_X7_C2/H1/br02/crate0/slot08 that stopped working → power cycled.
  • Problematic Vee channel for chamber BMS4C16.CO that dropped from 3.1 to 1.7 A [e-log] → fixed.
    
    
• One ADC board stopped working on 14/09 [e-log]
  
  • Same ADC board that was recovered in the cavern access.

3 Resin update

Speaker: Ahmet Renklioglu (Istinye University (TR))

4 Plan for TS2

Speakers: Ahmet Renklioglu (Istinye University (TR)), Alessandro Polini (Universita e INFN, Bologna (IT)), Claudio Luci (Sapienza Universita e INFN, Roma I (IT)), Enrico Pastori (INFN e Universita Roma Tor Vergata (IT)), Giulio Aielli (INFN e Universita Roma Tor Vergata (IT))

LHC-schedule-2025.pdf