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Título: | Isospin breaking effects in the X(3872) resonance |
Autor: | Oset, Eulogi CSIC ORCID; Gamermann, Daniel CSIC ORCID | 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 | DOI: | 10.1103/PhysRevD.80.014003 | ISSN: | 1550-7998 |
Aparece en las colecciones: | (IFIC) Artículos |
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isospin.pdf | 434,06 kB | Adobe PDF | Visualizar/Abrir |
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