Presentation for the International Conference on High Energy Physics, July 2010, Paris, France. The first reconstructed decay of a Bs particle in CMS that is relevant for finding information to explain the matter anti-matter asymmetry in the Universe.
Spanier, Stefan M and Cerizza, Giordano, "Observation of the first Bs--> J/Psi Phi Event in CMS" (2010). Physics and Astronomy Publications and Other Works.
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