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Isospin breaking effects in the X(3872) resonance
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| Gamermann, D.; Oset Báguena, Eulogio Perfil | |||
| This document is a artículoDate2009 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/46875 |
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| 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/ψ 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. | |||
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Gamermann, D. Oset Báguena, Eulogio 2009 Isospin breaking effects in the X(3872) resonance Physical Review D 80 1 014003 |
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| http://dx.doi.org/10.1103/PhysRevD.80.014003 |
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22 - Física [3727]