XYZ at Belle
Justus-Liebig-Universität Giessen, II. Physikalisches Institut, 35392 Giessen, Germany
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Published online: 17 June 2019
Recent results of exotic states with heavy quarks, denoted as XYZ states, are presented. The results include searches for the Y(4260) in B meson decays, a spin partner of Y(4630), and the strange Pentaquark . An addition, the measurements of the absolute branching fraction of X(3872) and search for double Zc production is dicussed.
© The Authors, published by EDP Sciences, 2019
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