Improved ATLAS result weighs in on the W boson

The W boson, a fundamental particle that carries the charged weak force, is the subject of a new precision measurement of its mass by the ATLAS experiment at CERN.

Team first to detect neutrinos made by a particle collider

In a scientific first, a team led by physicists at the University of California, Irvine has detected neutrinos created by a particle collider. The discovery promises to deepen scientists' understanding of the subatomic particles, ...