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International Journal of High-Energy Physics

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Digital edition

CERN Courier is now available as a regular digital edition. Click here to read the digital edition.

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CERN Courier: September 2001

Cover of CERN Courier Volume 41 Issue 7

Features

The international jigsaw puzzle

As well as the 20 nations of the CERN family, several other nations further afield are making major contributions to the laboratory's flagship Large Hadron Collider.

Fifty years of the renormalization group

Renormalization was the breakthrough that made quantum field theory respectable in the late 1940s. Since then, renormalization procedures, particularly the renormalization group method, have remained a touchstone for new theoretical developments. Distinguished theorist Dmitry Shirkov, who worked at the cutting edge of the field with colleague Nikolai Bogoliubov, relates the history of the renormalization group.

Astronomers benefit from particle physics detectors

A new kind of X-ray polarimeter giving greatly improved sensitivity and based on methods developed for particle physics gives astronomers a new handle on X-ray measurement.

Enrico Fermi: genius and giant of science

This year marks the centenary of the birth of Enrico Fermi, one of the giants of 20th-century science, and one of the last physicists to be both an accomplished experimentalist and an influential theorist. Here, Gianni Battimelli of the University of Rome "La Sapienza" traces the life of a genius.

Gamma-ray telescopes take shape

Turning to unusual wavelengths, astronomers reveal new pictures of the universe. This article describes a major new gamma-ray window opening up soon in Southern Africa.