The BaBar detector was built at Stanford Linear Accelerator Center to study the millions of B mesons produced by the PEP-II storage ring. The BaBar collaboration consists of around 600 physicists and engineers from 85 institutions in 9 countries.

See also: DIRC (Detection of Internally Reflected Cherenkov light)

Collaborators
The BaBar Collaboration consists of approximately 600 physicists and engineers from 75 institutions in 10 countries. Based at the Stanford Linear Accelerator Center (SLAC) Stanford University, USA.

French National Institute of Nuclear and Particle Physics (IN2P3), Commissariat a l'Energie Atomic (CEA), DAPNIA-Saclay, Laboratoire de L'Accelerateur Lineaire (LAL) Orsay, LPNHE Paris VI et Paris VII, LPNHE de l'Ecole Polytechnique, France

Lawrence Berkeley National Laboratory, University of California at Berkeley, Rutgers University, University of California at Santa Barbara, University of Cincinnati,USA

http://www.slac.stanford.edu/BF/