SLAC's B Factory

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© SLAC National Accelerator Laboratory.

Construction work on the main detector at SLAC's B factory. The B factory at SLAC and a similar facility in Japan made the precise measurements of CP violation in B mesons, which confirmed the Standard Model picture of CP violation and led to the 2008 Nobel Prize in Physics being awarded to theorists Toshihide Masakawa and Makoto Kobayashi. (Unit: 1)