ad-hoc BLM Thresholds Meeting (pp reference run 2.68 TeV)

Wednesday 18 Sept 2024, 13:00 → 15:00 Europe/Zurich

Anton Lechner (CERN), Belen Maria Salvachua Ferrando (CERN), Sara Morales Vigo

Meet A.Lencher, S.Morales and B.Salvachua

Configuration of pp reference run 2024:

• https://indico.cern.ch/event/1445015/ LBOC meeting 27th Aug 2024 
• Energy 2.68 TeV (=6.8*82/208)
• Ibunch = 1.6e11 and maximum of 2340 bunches
• Luminosity inst:
  • ATLAS/CMS 1.6e33 cm-2 s-1
  • ALICE 1.9e31 cm-2 s-1
  • LHCb 7.1e32 cm-2 s-1

 

Thresholds changes in 2018 at 2.51 TeV: 

• https://edms.cern.ch/document/1889857 
  • Triplets IR1/IR5/IR8 - collisions debris
  • Collimation losses - Q4/Q5/Q6/MQW

 

Thresholds changes expected in 2024 at 2.68 TeV:

• Collimation
• MQW - corrections start from 3 TeV 
• Q6 the corrections starts from EL24
• TCT/TCL
• Triplets