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New milestone - 10/fb recorded by CMS in 2012

CMS luminosity

CMS has just passed another major milestone, recording more than 10 inverse femtobarns of data at 8 TeV.

Despite higher pile-up creating more complicated events, CMS improved its running efficiency and now regularly achieves efficiencies in excess of 95, 97 or even 98% each day.

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Paper submitted: Observation of a new boson at a mass of 125 GeV

gamma gamma mass spectrum

31 July 2012, CERN

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Visit of the French Prime Minister Mr. Jean-Marc Ayrault

Version française ci-dessous / French version below

The Prime Minister of France Jean-Marc Ayrault visited CERN on the 30th of July, accompanied by the Minister of Higher Education and Research Mme Geneviève Fioraso.

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Jets at CMS and the determination of their energy scale

Figure 1: Sketch of pp-collision and resulting collimated spray of particles, a jet.

Jets are the experimental signatures of quarks and gluons produced in high-energy processes such as head-on proton-proton collisions.

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Higgs and the holy grail of physics

Our understanding of physical reality — of everything and nothing — has changed forever. We don't yet know where we are heading, but nothing will ever be the same. As a scientist, I don't know what more I could ask for.

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Physicists Find Elusive Particle Seen as Key to Universe

Signaling a likely end to one of the longest, most expensive searches in the history of science, physicists said Wednesday that they had discovered a new subatomic particle that looks for all the world like the Higgs boson, a key to understanding why there is diversity and life in the universe.

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Higgs boson-like particle discovery claimed at LHC

Cern scientists reporting from the Large Hadron Collider (LHC) have claimed the discovery of a new particle consistent with the Higgs boson.

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Observation of a New Particle with a Mass of 125 GeV

CMS Experiment, CERN
4 July 2012

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July 4th seminar on new CMS Higgs search results

Event display

On 4th July, at 09:00 CEST, CMS will present their latest results on the search for the Standard Model (SM) Higgs boson at the LHC.

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Blinding and unblinding analyses

 

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