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International Journal of High-Energy Physics

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CERN Courier: January/February 1999

Cover of CERN Courier Volume 39 Issue 1

Astrowatch

Astrowatch

Edited by Emma Sanders

Features

A cold start for LHC

Spearheading the construction effort for CERN's LHC collider is the groundwork for the 1232 superconducting dipole magnets, to be cooled by superfluid helium at 1.9K. Material procurement and tooling is advancing hand in hand with the final research and development work for the production design.

EPIC developments in processing power

CERN's demanding data processing requirements provide the testbed for a new range of semiconductor chips and associated software developed jointly by industrial giants Hewlett-Packard and Intel and which are aimed at new generations of computers.

ATLAS of the world

1800 physicists from 33 countries are participating in the ATLAS experiment, the largest detector being built for CERN's LHC collider. CERN Courier asked ATLAS Spokesperson Peter Jenni how the collaboration works.

Electron-positron pioneer

In 1960 Bruno Touschek gave a talk on electron-positron collisions that would change the face of physics. Last November, 20 years after his death, physicists gathered to celebrate Touschek's work.

In retrospect: electron scattering in Amsterdam

The recent closure of the Amsterdam Pulse Stretcher marks the end of 30 years of electron accelerators in the Netherlands.

Synchrocyclotron survivor to bow out after 50 years

After 15 years in physics, Harvard University's 160 MeV machine was converted into a cancer therapy centre. Having treated over 7500 patients in the ensuing 34 years, it is being phased out after two distinguished careers.

The mysteries of cosmic rays

Until the advent of high-energy accelerators in the 1950s, high-energy cosmic rays were the main source of information on subnuclear particles. Now they are back in the research spotlight and unexplained cosmic-ray phenomena could point to gaps in our understanding, as discussed at an international symposium.

Exploring new trends in electron cooling

The invention and development of electron cooling by Gersh Budker's team in Novosibirsk in the late 1960s and early 1970s set physics on a new route to discovery. Electron cooling has become crucial for controlling disorganized particle beams, and new electron cooling techniques could extend its range of applicability.

Quarks in hadrons and nuclei

The idea of quarks as the ultimate constituents of strongly interacting particles has long been conventional dogma. Less well known, but no less important, is the role of quarks in nuclei. A recent meeting in Austria looked at this frontier between particle and nuclear physics.

Regulars

This months book releases

Our usual round-up of useful book releases.

Faces and Places

More news from CERN and around the world of people and events of interest to the community.