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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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En route to 2015: TSG workshop (Apr 7-9)

Improvement in the jet turn-on (HLT vs offline PF) from the new Jet Energy Corrections (nominal threshold pT>50GeV)

The Trigger Studies Group (TSG) had its first workshop of 2014 in LAPP Annecy, on Mon-Wed Apr 7-9.

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CMS Internal Newsletter, April 4, 2014

CMS news from the past two weeks:

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