D^+_<s0>(2317) as an Iso-Triplet Four-Quark Meson and Production of Its Neutral and Doubly Charged Partners(Tetraquarks and related topics, Exotic hadrons, New Frontiers in QCD-Exotic Hadrons and Hadronic Matter-)

概要

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By studying D^+_<s0> (2317) → D^+_Sπ^0 and D^+_<s0> (2317) → D^<*+>_Sγ decays, it is shown that assigning D^+_<s0> (2317) to the iso-triplet four-quark meson F^^^^+_I is favored. Productions of its partners F^^^^0_I and F^^^^<++>_I are also studied. As the result, it is concluded that they could be observed in B^0_d → (D^+_S π^-) D^^-^0 and B^+_u → (D^+_s π^+)D^-. Their iso-singlet partner F^^^^+_0 might have been observed in the radiative B → (D^<*+>_s γ) D^^- decays by the BELLE collaboration.
理論物理学刊行会の論文
2007-11-09