BABAR

Aug 28, 2008

The ground state of bottomonium.

η b is the name of the particle recently discovered by the physicists working on the BaBar experiment.This ground state of ‘bottomonium’, a collection of particles formed from a bottom quark and an anti-bottom quark, has been sought for over thirty years.

Apr 18, 2008

CPT lives!

Lorentz symmetry probed in the BaBar experiment

The BaBar experiment running on the PEP-II accelerator at SLAC (California) has been collecting data for ten years and has recorded sufficient events to probe the most subtle aspects of the Standard Model of particle physics and quantum field theory.

Particle Physics Division

Institute of Research into the Fundamental Laws of the Universe