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
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