Category: Physics
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Unexplained long-range correlations observed in pPb collisions
CMS has published its first paper on proton-lead (pPb) collisions, describing the observation of a phenomenon that was previously seen first in nucleus-nucleus collisions but also detected by CMS in proton-proton (pp) collisions.
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Hunt for the platypus particle
All of the atoms in our bodies are made of electrons, protons and neutrons, and the protons and neutrons can be further broken down into quarks.
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Asymmetric collisions: smashing protons into lead nuclei
Our best understanding of the early Universe tells us that a dense medium, known as the quark-gluon plasma (QGP), existed in the first microseconds after the big bang.
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New CMS heavy ion results for Quark Matter 2012 conference
The Quark Matter 2012 conference, held in Washington DC from 13-18 August 2012, brings together experimental and theoretical experts in the area of heavy-ion physics.
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Paper submitted: Observation of a new boson at a mass of 125 GeV
31 July 2012, CERN Today CMS submitted for publication, in the Physics Letters B journal, a paper entitled “Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC”.
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Jets at CMS and the determination of their energy scale
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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The search for microscopic black holes, as of March 2012
The search for microscopic black holes at the LHC is motivated by the hierarchy problem — the huge observed difference between the strengths of the electroweak and gravitational forces.
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Measurement of the underlying event in the Drell-Yan process in proton-proton collisions at sqrt(s) = 7 TeV
A measurement of the underlying event (UE) activity in proton-proton collisions at a centre-of-mass energy of 7 TeV is performed using Drell-Yan events in a data sample corresponding to an integrated luminosity of 2.2 fb−1 (inverse femtobarns), collected by the CMS experiment at the LHC.