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CMS presents evidence for Higgs decays to fermions

Event recorded by CMS in 2012 at a proton-proton centre-of-mass energy of 8 TeV. It shows characteristics expected from the decay of the SM Higgs boson to a pair of τ leptons. Such an event is characterised by the production of two forward-going particle jets (green towers), seen here in opposite endcaps. One of the τs decays to a muon (red lines) and neutrinos, while the other τ decays into a charged hadron (blue towers) and a neutrino. <a href="https://cds.cern.ch/record/1633370">Download</a>.

Several measurements of properties of the Higgs unveiled at CERN seminar.

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Surveyors measure new CSC layer with photogrammetry

A portable computer running the photogrammetry software

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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Successful trial installation of RPC modules in CMS

Lifting the 230kg Super Module into position

Two new wheels of the Resistive Plate Chambers (RPCs) of the muon system are being installed during the LHC’s first Long Shutdown (LS1).

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News from the CMS experimental site: 22 November 2013

The installation procedure of an ME+4/2 chamber

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).

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Performing keyhole surgery on the ECAL endcaps

Channel occupancy maps for the positive ECAL endcap before (left) and after (right) the repair. The 75 dead channels (visible in sector +06 of the left-hand plot) are now fully operational.

Repairs needed to be performed on a region consisting of 75 channels in the positive ECAL endcap, which had been inoperable since 2009.

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Spanish schools take virtual tour of CMS cavern

Some of the participants of CMS's first-ever Hangout on Air in Spanish

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.

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Networking event for CMS Alumni, students, and postdocs

Dear CMS Alumni, students, and postdocs,

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LHC data to be made public via open access initiative

A visualisation of public CMS Level-2 data, here showing a proton-proton collision that may have produced a Higgs boson

CMS is taking its first steps in making up to half of its data accessible to the public, in accordance with its policy for data preservation, re-use and open access.

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CMS Collaboration Chairperson Election

As you know, we have to elect the CMS CB Chairperson for the term July 2014 - Dec. 2016.
The election will take place during two special Collaboration Board meetings, held during the December CMS week:
on Tuesday December 10th evening: discussion with the candidates

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Englert and Higgs get the Nobel

François Englert (left) and Peter Higgs at CERN on 4 July 2012, on the occasion of the announcement of the discovery of a Higgs boson by the ATLAS and CMS experiments (Image: Maximilien Brice/CERN)

Special mention to ATLAS and CMS experiments for confirming existence of the BEH mechanism by discovering a Higgs boson

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