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Hunt for the platypus particle

A platypus

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. Fundamentally, then, we are made of only two types of particles: electrons and quarks. But what do these labels mean?

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ZOOOM: CMS visualised in 3D

The first image in the series, showing the full CMS detector

Visitors to P5 now have a series of seven posters of beautiful 3D drawings of the CMS detector to look at before they go underground to the CMS cavern.

This series of the drawings is called “ZOOOM”.

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An inspiring summer: from the diary of a CERN intern

In front of the Globe of Science and Innovation

By Siddharth Sehgal

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Asymmetric collisions: smashing protons into lead nuclei

Image credit: CERN

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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Former CMS Spokesperson receives Italian knighthood

Guido Tonelli with Giorgio Napolitano

Guido Tonelli, CMS Spokesperson 2010–2011, was made 'Commendatore' of the Order of Merit of the Italian Republlic (Commendatore Ordine al Merito della Repubblica It

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Happy 20th Birthday CMS!

Happy birthday, CMS!

The CMS Letter of Intent was completed 20 years ago this month.

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CMS Calendar 2013

You may view it or subscribe to it in a variety of ways, as well as to a number of sub-group calendars (Run Coordination, Upgrades, Publications, etc.), as follows:

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Reconstructing a multitude of particle tracks within CMS

Image 1: Event display showing 78 reconstructed vertices in one beam crossing, obtained from a special high pile-up run.

The LHC circulates protons inside its beam-pipes not in a continuous stream but in several very closely packed bunches.

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Magnet stops in August 2012: CMS internal report

The magnet worked properly until it suffered two unexpected stops in August due to technical problems on the service infrastructure.

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A World without the Higgs

Event recorded with the CMS detector in 2012 at a proton-proton centre of mass energy of 8 TeV. The event shows characteristics expected from the decay of the SM Higgs boson to a pair of photons (dashed yellow lines and green towers). The event could also be due to known standard model background processes.

Here is a delightful poem written by Erich Harth, an Emeritus Professor from Syracuse University, in the wake of the discovery announcement from CMS and ATLAS.

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