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CERN celebrates LEP - the accelerator that changed the face of particle physics

Members of government from around the world gathered at CERN on 9 October to celebrate the achievements of the Large Electron Positron collider (LEP), the Laboratory's flagship particle accelerator. Over the eleven years of its operational lifetime, LEP has not only added greatly to mankind's pool of knowledge about the Universe, but has also changed the way that particle physics research is done, and proved to be a valuable training ground for young professionals in many walks of life.

The LEP story

The LEP story begins in the late 1970s when CERN Member State physicists got together to discuss the long term future of high energy physics in Europe. A new picture of fundamental interactions, unifying the electromagnetic and weak forces, was emerging, and LEP would be the machine to study it. After a history built on proton machines, the idea of an electronÐpositron collider was a break with tradition for CERN.

CERN is first to demonstrate a 10 Gigabit/sec network with four major computer manufacturers

CERN1 has made another important step forward in high-speed computing and state of the art networking. On 15 September a Gigabyte System Network (GSN) network with a capacity of 10 Gbit per second ramped up successfully at CERN, connecting together computers from different computer companies (Compaq, IBM, SGI and Sun).

LEP shutdown postponed by one month

On 14 September 2000 CERN 's Director General Prof. Luciano Maiani, after a recommendation from the LEP Experiments Committee and the CERN Research Board, decided to extend the experimental run of the LEP accelerator until the 2nd November 2000. It was originally planned to conclude LEP's eleven year period of physics research at the end of September, and to begin the complex operations for the installation of CERN's new accelerator the Large Hadron Collider (LHC). However, exciting new results from the LEP experiments justify this change.

Theoretical physicists take stock at CERN conference

On Monday 26 June Luciano Maiani, Director-General of CERN*, the European Organisation for Nuclear Research, opened the "Supersymmetry 2000" conference which is taking place at CERN in Geneva this week. Many of the world's top physicists are gathering to present their work and discuss possible signatures of new physics beyond the Standard Model of particle physics, such as novel particles and large extra dimensions of space, and the problem of energy in the vacuum, first raised by Einstein.

Last sprint for LEP

The CERN* Council, where the representatives of the 20 Member States of the Organization decide on scientific programmes and financial resources, held its 115th session today under the chairmanship of Dr. Hans C. Eschelbacher (DE).

CERN and ESA Examine Future Fundamental Physics Research in Space

A special workshop on Fundamental Physics in Space and related topics will be held at CERN* in Geneva from 5 to 7 April 2000. Remarkable advances in technology and progress made in reliability and cost effectiveness of European space missions in recent years have opened up exciting new directions for such research. The workshop provides a forum for sharing expertise gained in high energy physics research with colleagues working in research in space.

CERN, ESA and ESO Launch "Physics On Stage"

Physics is everywhere. The laws of physics govern the Universe, the Sun, the Earth and even our own lives. In today's rapidly developing society, we are becoming increasingly dependent on high technology - computers, transport, and communication are just some of the key areas that are the result of discoveries by scientists working in physics.

But how much do the citizens of Europe really know about physics? Here is a unique opportunity to learn more about this elusive subject!


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