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LHC data to be made public via open access initiative
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...
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Spanish schools take virtual tour of CMS cavern
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...
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Performing keyhole surgery on the ECAL endcaps
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...
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News from the CMS experimental site: 22 November 2013
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...
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Successful trial installation of RPC modules in CMS
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,...
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Surveyors measure new CSC layer with photogrammetry
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....
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Editorial – News, November 2013
Dear friends, welcome to the first edition of the new CMS monthly newsletter. We would like to thank all collaborators who contributed to the CMS Times, published between 2006 – 2012. It served well in...
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New layer to be added to CMS muon system
A fourth station –– called RE4 –– will be added to the CMS endcap muon system during the ongoing LHC Long Shutdown (LS1).The CMS muon system consists of three different sub-detectors: RPCs (Resistive...
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HCAL upgrades its photodetectors
The central hadron calorimeter (HCAL) of CMS consists of the barrel (HB), the endcap (HE), and the outer (HO) regions. The HO consists of one or two scintillator layers and uses the metal of the magnet...
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New "Higgs Boson Goose Chase" game unveiled during CMS Week
Building and operating the CMS Detector is a complicated endeavour! Now, more than 20 years after the detector was conceived, the CMS Bologna group proposes to follow the steps of this challenging...
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Editorial – News, 1/2014
Dear friends, we hope that you all had a good start to 2014. We would like to share with you the selection of some stories from the end of last year: http://cms.web.cern.ch/newsletter/201312- New layer...
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Tiziano Camporesi takes reins of CMS
At the beginning of the month, physicist Joe Incandela, who led the CMS experiment during the discovery of the Higgs boson, handed the reins to his former deputy, CERN physicist Tiziano Camporesi. For...
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ECAL Preshower removed from detector for repairs
The first part of the CMS endcap calorimetry, as seen by particles coming from interactions in the centre of the detector, is the "ECAL Preshower" or "ES" for short. "ES−" and "ES+" are used to...
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News from the CMS experimental site: 20 January 2014
From the CMS experimental site at Cessy, France, located at Point 5 on the LHC ring—————After a well-deserved Christmas break, work has resumed at Point 5 at an unabated pace. With an extremely busy...
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CMS to improve underground fire-extinguishing system
CMS has many different safety systems installed in the underground experimental area. These are designed to protect the detector and all the associated electronics as well as the cavern itself. In case...
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Editorial – News, 2/2014
Dear friends,We would like to share with you the selection of some stories from the beginning of the year year: http://cms.web.cern.ch/newsletter/201401- Tiziano Camporesi takes reins of CMS - ECAL...
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