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CMS is never idle

Before proton collisions take place again at the LHC, the CMS detector has been looking at the result of collisions of cosmic particles high up in the atmosphere. This event display shows the track of a muon that reached the CMS detector 100 m underground and passed through the muon chambers (in red) and the silicon tracker (in yellow). Muons as this one are used to calibrate the detector in advance of proton collisions.

CMS is eager to see the first collisions of the LHC Run2. The recent news that the LHC restart may be delayed because of a hardware issue gives us extra time to prepare for those collisions.

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CMS recognizes achievements of young collaborators

The CMS Young Researcher's Prize medal, made out of a piece of the CMS magnet's conductor

Every year, the CMS Young Researcher’s Prize is awarded to CMS members who are less than around eight years into their careers after the completion of their PhD or an equivalent qualification.

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CMS releases first batch of high-level LHC open data

High-school students analysing CMS open data as part of the Physics Masterclasses. Photo credit: Marzena Lapka

“The scientific knowledge we produce is for everyone to share.”

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The LHC as a photon collider

Quartic gauge coupling: A Feynman diagram showing how protons radiate photons that then interact and produce W bosons.

Yes, that’s correct: photon collider.

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Queen Elizabeth II bestows Knighthood on CMS Physicist

Jim receiving the accolade

14 June 2014, London, UK

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Quark Matter 2014: the full crop from CMS

Figure 1: Left (right) – Nuclear modification factors of charged particles (jets) vs. transverse momentum in both pPb and central PbPb collisions.

A few of the results that CMS presented at this year’s Quark Matter conference were highlighted a couple of weeks ago in the CERN Courier article that was also posted on CMS news.

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Quark Matter 2014: news from CMS

Figure 1

This article originally appeared in the CERN Courier on 22 May 2014.

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Phase 2 (Upgrade) Technical Proposal Advances at Karlsruhe

The first CMS Upgrade Week of 2014 was held at Karlsruhe in the first week of June [https://indico.cern.ch/event/294765/]. The goal of the week was to present the first draft of the Technical Proposal (TP) for the Phase 2 Upgrade of CMS.

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Summary of the AGR (April Global Run)

The celebrations at the end were modest but intense.

The April Global Run (AGR) took place last week, Monday-Friday 7-11 April. This being the first run since November 2013, the last run using the Run-1 DAQ, and the last run just before an extended cooling maintenance at P5, we embarked on the week with an ambitious plan of work.

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Preshower ready for installation

Working on one of the ES discs in the “tent” in SX5.

As reported previously (ECAL Preshower removed from detector for repairs), both Preshower (ES) endcaps were removed temporarily from CMS and moved to the SX5 building at the end of 2013.

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