samedi 30 avril 2016

CERN: A weasel puts down the world's largest particle accelerator

CERN - European Organization for Nuclear Research logo.

April 30, 2016

It's not the little beast that will eat the fat, and yet ... Friday at CERN, a weasel has managed to bypass the largest particle accelerator in the world. The animal did not survive.

A weasel was introduced Friday in the Large Hadron Collider (LHC) at CERN in Geneva. It is the cause of a short circuit causing a failure in the largest particle accelerator in the world. The repairs will take several days.

The LHC has experienced "severe electrical disturbance Friday at 5:30," said the CERN (CERN) in his daily activity report. The failure is due to a "short circuit caused by a weasel" on the collider. A transformer 66 kV was damaged.

Large Hadron Collider (LHC) and the guilty of failure: the weasel

Asked by the BBC's Arnaud Marsollier, spokesman for CERN, said the repairs would take several days. The animal did not survive the shock. "It's not the best week for the LHC!" Said CERN's report.

The LHC, located on the French-Swiss border, includes a tunnel-shaped ring of 27 kilometers. This is the most powerful particle accelerator in the world. He has confirmed the existence of the Higgs boson in 2012, considered the cornerstone of the fundamental structure of matter. It could pierce other mysteries of the composition of the Universe.


CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works. At CERN, the world’s largest and most complex scientific instruments are used to study the basic constituents of matter — the fundamental particles. By studying what happens when these particles collide, physicists learn about the laws of Nature.

The instruments used at CERN are particle accelerators and detectors. Accelerators boost beams of particles to high energies before they are made to collide with each other or with stationary targets. Detectors observe and record the results of these collisions.

Founded in 1954, the CERN Laboratory sits astride the Franco–Swiss border near Geneva. It was one of Europe’s first joint ventures and now has 22 Member States.

For more information about the European Organization for Nuclear Research (CERN), visit:

Images, Text, Credits: CERN/ATS/ Aerospace/Roland Berga.