Nature of X(3872) from data

A.V.Nefediev (ITEP; Moscow); Yu.S.Kalashnikova

Nature of X(3872) from data

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arxiv 0907.4901 v1 pith:235NNELZ submitted 2009-07-28 hep-ph

Yu.S.Kalashnikova , A.V.Nefediev (ITEP , Moscow) This is my paper

classification hep-ph

keywords datababarbellenaturestateanalysearguecharmonium-like

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Properties of the charmonium-like state X(3872) are investigated and its nature is discussed as based on the existing experimental data. In particular, we analyse the new data from Belle and BaBar Collaborations and argue that, while the BaBar data prefer the dynamically generated virtual state in the D\bar{D}* system, the new Belle data clearly indicate a sizable c\bar{c} 2^3P_1 component in the X wave function.

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$X(3872)$ and hidden charmed tetraquarks
hep-ph 2025-06 conditional novelty 4.0 of 10

A diquark-antidiquark quark model with parameters fitted to X(3872) and Tcc predicts hidden-charm tetraquark masses and tentatively assigns XYZ states.

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