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• W3110423621 abstract "Motivated by the recent discovery of two new states in the ${B}^{+}ensuremath{rightarrow}{D}^{+}{D}^{ensuremath{-}}{K}^{+}$ decay by the LHCb Collaboration, we study the $Doverline{D}K$ three-body system by solving the Schrodinger equation with the Gaussian Expansion Method. We show that the $Doverline{D}K$ system can bind with quantum numbers $I({J}^{P})=frac{1}{2}({0}^{ensuremath{-}})$ and a binding energy of ${B}_{3}(Doverline{D}K)={48.9}_{ensuremath{-}2.4}^{+1.4}text{ }text{ }mathrm{MeV}$. It can decay into $J/ensuremath{psi}K$ and ${D}_{s}{overline{D}}^{*}$ via triangle diagrams, yielding a partial decay width of about 1 MeV. As a result, if discovered, it will serve as a highly nontrivial check on the nature of the many exotic hadrons discovered so far and on nonperturbative QCD as well. Assuming heavy quark spin symmetry, the same formalism is applied to study the $D{overline{D}}^{*}K$ system, which is shown to also bind with quantum numbers $I({J}^{P})=frac{1}{2}({1}^{ensuremath{-}})$ and a binding energy of ${B}_{3}(D{overline{D}}^{*}K)ensuremath{simeq}{77.3}_{ensuremath{-}6.6}^{+3.1}text{ }text{ }mathrm{MeV}$, consistent with the results of previous works." @default.
• W3110423621 created "2020-12-07" @default.
• W3110423621 creator A5027457123 @default.
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• W3110423621 date "2021-02-23" @default.
• W3110423621 modified "2023-10-12" @default.
• W3110423621 title "Excited <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>K</mml:mi></mml:math> meson, <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msub><mml:mi>K</mml:mi><mml:mi>c</mml:mi></mml:msub><mml:mo stretchy=false>(</mml:mo><mml:mn>4180</mml:mn><mml:mo stretchy=false>)</mml:mo></mml:math> , with hidden charm as a <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>D</mml:mi><mml:mover accent=true><mml…" @default.
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• W3110423621 doi "https://doi.org/10.1103/physrevd.103.l031501" @default.
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