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CMS Luminosity Integration at 8 TeV: Progress Update & Commissioning Plans

Latest updates on integrated luminosity at 8 TeV and plans for commissioning CMS in Long Shutdown 1. Includes machine development, scrubbing, and physics run schedule for December. G. Rakness (UCLA) summarizes current activities and proposed tasks. Visit provided link for detailed information.

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CMS Luminosity Integration at 8 TeV: Progress Update & Commissioning Plans

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  1. Integrated luminosity at s = 8 TeV https://twiki.cern.ch/twiki/bin/view/CMSPublic/LumiPublicResults ~35 days of proton running left… If they deliver 1/fb per week, we will end up with ~23/fb delivered Scrubbing + machine development + physics run with 25 ns spacing scheduled for December (recall: we normally run with 50ns spacing) G. Rakness (UCLA)

  2. Various • Gave talk at October Upgrade/CMS week • Proposed set of global runs to commission CMS in Long-Shutdown 1 • Intend to provide shifts during LS1 so detectors can stay ON • Indicated commissioning activities for subsystems that they might not known about… • VME computers (CAEN VME) • DCS computers (slow control) • Trigger Control and Distribution System (replace TTC) • Almost got ECAL+Pixel+Run Coordination to agree on what to do on deadtime around a Resync command • Presently running with 8 orbits + 8 orbits (before and after) • ECAL wants more, but didn’t get it… G. Rakness (UCLA)

  3. To do • I have to finish my TWEPP proceedings (due Thursday) • Run Coordination • Work on “Golden” certification + documentation of hardware downtimes • Rework shift leader training • Make shift summary Elog template for shift leader • CSC • Check ALCT slow control firmware at 904… then at p5 on chamber with strange ADC values • Finish documentation of CSC timing • https://twiki.cern.ch/twiki/bin/view/CMS/CSCsynchronizationDocuments • Put firmware into SVN • RAT firmware loading • As well… • Make neutron skims G. Rakness (UCLA)

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