论文信息 - Search for η c decays into ππ and K ¯ K

Search for η c decays into ππ and K ¯ K

� Springer-Verlag / Societa Italiana di Fisica 2005 Abstract. Using 58 million J/ψ events taken with the BESII detector, a search for ηc CP violating decays into ππ and K ¯

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