CERN Updates

First images of collisions at 13 TeV

21 May 2015 — Last night, for the first time, protons collided in the Large Hadron Collider (LHC) at the record-breaking energy of 13 TeV. See the first images

Protons set to collide at 13 TeV to prepare for physics

20 May 2015 — These first collisions at 13 TeV in the LHC are to set up systems that protect detectors from stray particles before they are fully switched on

CMS and LHCb experiments reveal new rare particle decay

12 May 2015 — The CMS and LHCb experiments at the LHC have observed a very rare decay. An important milestone in the search for hints of new physics.

LHC Season 2: Follow the people at the frontiers of physics

12 May 2015 — Watch 11 physicists from the LHC experiments ALICE, ATLAS, CMS and LHCb explain what they hope to discover during the accelerator's second run

US-CERN agreement paves way for new era of discovery

7 May 2015 — A new agreement between the United States and the CERN signed today will pave the way for renewed collaboration in particle physics

Turkey becomes Associate Member State of CERN

6 May 2015 — Official notification that Turkey has ratified Accession Agreement arrived at CERN today

Low-energy collisions tune LHC experiments

5 May 2015 — This morning, for the first time in two years, proton-proton collisions were delivered to the LHC experiments at injection energy: 450 GeV per beam

A milestone towards a higher-energy nuclear physics facility

4 May 2015 — The first acceleration module of HIE-ISOLDE has been installed. The new accelerator will increase the energy of CERN’s nuclear physics facility.

Arts @ CERN: Three winning artists and an open call

30 Apr 2015 — CERN's official engagement with the arts announces three winning art projects and an open call for Collide @ CERN in digital arts

ICARUS neutrino experiment to move to Fermilab

22 Apr 2015 — The world’s largest liquid-argon neutrino detector will find a new home across the Atlantic Ocean at the Fermi National Accelerator Laboratory

AMS days: experiments present latest results

15 Apr 2015 — Results from the Alpha Magnetic Spectrometer (AMS) on the International Space Station will be the focus of the three-day “AMS Days at CERN” meeting

First successful beam at record energy of 6.5 TeV

10 Apr 2015 — Last night the LHC operations team successfully circulated a beam at 6.5 TeV - one of many steps before the LHC can deliver collisions to experiments

LHC: Preparations for collisions at 13 TeV

9 Apr 2015 — With proton beams back in the LHC, operations experts have weeks of work to do before they can collide beams in experiments at the energy of 13 TeV

SESAME passes an important milestone at CERN

7 Apr 2015 — The first of the 16 magnetic sectors in the main storage ring of the future light source in Jordan has successfully passed its tests at CERN

Proton beams are back in the LHC

5 Apr 2015 — After two years of intense maintenance and consolidation the Large Hadron Collider is back in operation

Large Hadron Collider set to restart

2 Apr 2015 — The first beams could be circulating in the machine sometime between Saturday and Monday

CERN researchers confirm existence of the Force

1 Apr 2015 — Physicists at the European Laboratory for Particle Physics announced today that an invisible Force permeates the universe, binding the galaxy together

LHC restart back on track

31 Mar 2015 — The short circuit to ground delaying the restart of the LHC has been fixed.

In pictures: X-rays probe LHC for cause of short circuit

26 Mar 2015 — A short circuit in a superconducting dipole magnet is delaying the beam injection in the LHC. Teams are working around the clock to fix the issue

LHCb's new analysis confirms old puzzle

20 Mar 2015 — LHCb physicists today presented their latest analysis of a rare decay, which shows deviations from Standard Model calculations


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