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We investigate tensor mesons as quark-antiquark bound states in a fully covariant Bethe-Salpeter equation. As a first concrete step we report results for masses of J^{PC}=2^{++} mesons from the chiral...
We search for the flavor-changing neutral current decays D0 ! μ+μ− and D0 ! e+e−, and for the
lepton-flavor violating decays D0 ! e±μ using 660 fb−1 of data collected with the Bell...