Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/20747
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 Título : Isospin breaking effects in the X(3872) resonance Autor : Oset, Eulogi, Gamermann, Daniel Fecha de publicación : 7-Jul-2009 Editor: American Physical Society Citación : Physical Review - Section D - Particles and Fields 80 (1): 014003 (2009) Resumen: In this paper we study the effects of isospin breaking in the dynamical generation of the X(3872) state. We also calculate the ratio of the branching fractions of the $X$ decaying into $J/\psi$ with two and three pions, which has been measured experimentally to be close to unity. Together with the X(3872), of positive C-parity, we predict the existence of a negative C-parity state and we comment on which decay channel is more promising to observe this state. Versión del editor: http://dx.doi.org/10.1103/PhysRevD.80.014003 URI : http://hdl.handle.net/10261/20747 ISSN: 1550-7998 DOI: 10.1103/PhysRevD.80.014003 Appears in Collections: (IFIC) Artículos

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