Isospin breaking effects in the X(3872) resonance
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Isospin breaking effects in the X(3872) resonance

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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

Este documento está disponible también en : http://hdl.handle.net/10550/46875
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.

    Gamermann, D. Oset Báguena, Eulogio 2009 Isospin breaking effects in the X(3872) resonance Physical Review D 80 1 014003
http://dx.doi.org/10.1103/PhysRevD.80.014003

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