Science

Particle physics: The Cern is planning the next large accelerator

Particle physics: The Cern is planning the next large accelerator”

The new plans call for a machine with a diameter 73km larger.

The European Organization for Nuclear Research, best known by its French acronym CERN, submitted designs on Tuesday for the Future Circular Collider, or FCC, a circular machine that would measure 100 kilometers, or 62 miles, in circumference and be used to search for new atomic and subatomic particles.

In 2014, the organisation said it had begun preparatory work on a machine capable of providing "electron-positron, proton-proton and ion-ion collisions at unprecedented energies and intensities, with the possibility of electron-proton and electron-ion collisions". Since then, no new particles were at the LHC, however, have been sighted - much to the Regret of the particle physicists, who had cited as a Motivation for the construction of the LHC, the search for particles beyond the standard model, such as supersymmetric particles, or candidates for the mysterious Dark matter.

CERN said it was not possible to say exactly what benefits the new collider would bring, but pointed out that the discovery of the electron in 1897 led to the electronics industry that now contributes NZ$4.4 trillion annually to the world economy.

"The FCC conceptual design report is a remarkable accomplishment", said CERN Director-General Fabiola Gianotti in a statement. "While presenting new, daunting challenges, the FCC would greatly benefit from CERN's expertise, accelerator complex and infrastructures, which have been developed over more than half a century".

Plans for the FCC will be put forward to an worldwide panel of scientists.

"The FCC's ultimate goal is to provide a 100-km superconducting proton accelerator ring, with energy of up to 100 TeV, meaning an order of magnitude more powerful than the LHC", said CERN Director for Accelerators and Technology Frederick Bordry.

"Proton colliders have been the tool-of-choice for generations to venture new physics at the smallest scale".

A 90 to 365 GeV electron-positron machine with high luminosity could be the first step.

This could allow scientists to detect whether there are any holes in the Standard Model (SM) that would indicate a new kind of physics exists. This collider would serve the worldwide physics community for 15 to 20 years.

Officials hope for a decision by CERN's 22 member states within the next few years about the project that would debut with an electron-positron collider at an estimated cost of 9 billion euros ($10.25 billion). That includes 5 billion euros for civil engineering work for the 100km tunnel.

CERN also outlined plans to building another machine which will be incorporated into the same tunnel and is expected to come online in the late 2050s.

The CDR is part of a roadmap to be drawn up by particle physicists as an update to the European Strategy for Particle Physics.



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