Update on LS1 Activities

W.Baldini, N. Bondar, O.Maev,B. Schmidt

LS1 Muon Meeting May-15th 2014

Ongoing Activities • LS1 activities:

– activities ongoing on C-side M2-5:• Connectivity test slowly resuming, many problems with instabilities of virtual

machines/CCPCs etc… it will take some more time • Problem with TELL1 (mutellc01) fixed (Oleg, Francesco); this week we would like to

take more PDM data • Grounding improvement: almost done (3 more chambers…). Since last Wednesday

it’s not possible to work due to HERSCHEL cable installation (~1 week). • Ferrite filters installation on M5 front done

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HERSCHEL cabling

Our setup…

Ongoing Activities • HV:

– Conditioning of C side: an M4R4 chamber (11C) found with a gap in short, replaced with a chamber recovered by Dmiitri (PNB094)

– HV Connectors on A side (RDB-racks end) are being improved (Nikolai) before connecting them back

– Check mapping and re-connect to CMBs

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Several connectors to be improved

Ongoing Activities

• Next commissioning week June 23-27, we will try to turn on PNPI-HV-Chambers on A-side, so far we left the chambers unplugged.

• For more details you can refer to the e-log: http://lblogbook.cern.ch/MUON/

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