Approval of minutes and previous actions

• Rhodri Jones (CERN)

Room: 866/1-A04 HEL-BPM: • Check minimum modulation intensity (few %) to have signals comparable to protons at BPM + simulate with electron to check there is no demodulation - ACTION: Lars • Specs: min p+ intensity? - ACTION: collimation (Adriana) = 1 x 1e10p/bunch (probe) at injection or flattop • Check button values, including large- ACTION: Lars • Check strip lines - ACTION: Lars • Check transverse impedance - ACTION: IWG (Lars) CRYO-BPM: • Official review report still to be written - ACTION: Rhodri • Need number for tolerance in Tungsten block - ACTION: FLUKA (Michal) • Transverse impedance to be checked - ACTION: IWG (Michal) • Installation sequence to be clarified with WP3- ACTION: Gerhard • Feedthroughs - urgent to qualify & produce MS-IT plan with procurement. ACTION: Manfred, Michal & Rhodri • Formal clarification required that VSC provide welding machine and establish procedure - ACTION: Gerhard • Engineering & Technical specification required: ACTION: Gerhard & Michal

IR4 layout and ECR for HL

• Thibaut Lefevre (CERN)

Room: 866/1-A04

IP4 optics

• Riccardo De Maria (CERN)

Room: 866/1-A04

Status of Neon luminescence measurements in LHC

• Stefano Mazzoni (CERN)

Room: 866/1-A04

Coronagraph plans for LS2 (TBC)

• Georges Trad (CERN)

Room: 866/1-A04

AOB

• Rhodri Jones (CERN)

Room: 866/1-A04