Steven Weinberg reflects on spontaneous symmetry breaking - an idea particle physicists learnt from Bardeen, Cooper and Schrieffer's theory of superconductivity.
Lead nuclei with too few neutrons turn out to be mainly spherical.
There has been considerable interest in these measurements because of the potential sensitivity to new physics such as supersymmetry, which would show up as a difference between the Standard Model val...
Gravity and particle physics took centre stage at last year's DESY theory workshop. As chairman of the organizing committee Dieter Lüst reports, there was plenty to talk about.
John Ellis explains how far and how deep the implications of CP violation extend.
Gerry Bauer explains the background to CP violation and points out how a range of new experiments to explore the phenomenon in a new setting should see much larger effects.
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.