Tag: LHC
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The start of something new
The CMS Gas Electron Multiplier (GEM) subsystem will form an extra layer of detectors, along with the Cathode Strip Chambers (CSC) layers, closest to the beam.
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LHC access required: Time estimate ~ 2 years
On Saturday at 8.25am the shift crew in the CERN Control Centre extracted the beams from the Large Hadron Collider (LHC), bringing the machine’s first three-year running period to a successful conclusion.
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Highlights from the annual maintenance of the CMS detector
The Year-End Technical Stop or YETS, when the LHC takes its annual break, seemed like a quiet time to those outside CERN.
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Preparing for collisions – recommissioning the CMS detector
A new year with new energy and new luminosities: 2012 holds the promise to close the question on the existence (or absence) of a Standard Model Higgs boson.
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Ratios of dijet production cross sections as a function of the absolute difference in rapidity between jets in proton-proton collisions at sqrt(s) = 7 TeV
A study of dijet production in proton-proton collisions was performed at √s = 7 TeV for jets with pT > 35 GeV and |y| < 4.7[1] using data collected with the CMS detector at the LHC in 2010. Events with at least one pair of jets are denoted as “inclusive”, while events with exactly one…