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29 Nov | Antje Behrens | Detector
CERN’s surveyors conduct diverse measurements to ensure, for example, accurate positioning of magnets, detectors and other equipment. They do so using techniques such as laser tracking and 3D scanning. Two weeks ago, the surveyors were busy...
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29 Nov | Maria Isabel Pedraza Morales | Detector
Two new wheels of the Resistive Plate Chambers (RPCs) of the muon system are being installed during the LHC’s first Long Shutdown (LS1). These will add to the six lateral wheels in the (outer) endcaps, which currently make up the RPC system with six...
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27 Nov | Tom Dodington | Detector
From the CMS experimental site at Cessy, France, located at Point 5 on the LHC ring ————— The past two weeks have seen several pivotal steps taken towards achieving some of the key goals for CMS during the LHC’s first Long Shutdown (LS1). On 21...
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26 Nov | David Anthony Petyt | Collaboration
The CMS Electromagnetic Calorimeter (ECAL) is responsible for measuring electrons and photons produced in collisions inside the detector. It comprises of 75,848 lead-tungstate crystals, each with its own photodetector and electronics to form readout...
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18 Nov | Jesus Puerta Pelayo | Engage with CMS
Early in the morning on 22 October, I grabbed my laptop and safety helmet and took the elevator 30 storeys underground to the CMS experimental cavern. But this time it wasn't to work on the maintenance of the Drift Tubes system as in previous weeks...
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15 Nov | Achintya Rao | Engage with CMS
LHC data are exotic, they are complicated and they are big. At peak performance, about one billion proton collisions take place every second inside the CMS detector at the LHC. CMS has collected around 64 petabytes (or over 64,000 terabytes) of...