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Título: | Heavy quark spin symmetry and SU(3)-flavour partners of the X (3872) |
Autor: | Hidalgo Duque, Carlos CSIC; Nieves, Juan Miguel CSIC ORCID ; Pavón Valderrama, Manuel CSIC | Palabras clave: | Heavy quark spin and flavour symmetries Hidden charm molecules XYZ states |
Fecha de publicación: | 20-sep-2013 | Editor: | Elsevier | Citación: | Nuclear Physics - Section A 914: 482-487 (2013) | Resumen: | In this work, an Effective Field Theory (EFT) incorporating light SU(3)-flavour and heavy quark spin symmetries is used to describe charmed meson-antimeson bound states. At Lowest Order (LO), this means that only contact range interactions among the heavy meson and antimeson fields are involved. Besides, the isospin violating decays of the X(3872) will be used to constrain the interaction between the D and a (D) over bar* mesons in the isovector channel. Finally, assuming that the X(3915) and Y(4140) resonances are D* (D) over bar* and D-s* (D) over bar (s)* molecular states, we can determine the four Low Energy Constants (LECs) of the EFT that appear at LO and, therefore, the full spectrum of molecular states with isospin I = 0, 1/2 and 1. | Versión del editor: | http://dx.doi.org/10.1016/j.nuclphysa.2013.01.025 | URI: | http://hdl.handle.net/10261/125319 | DOI: | 10.1016/j.nuclphysa.2013.01.025 | ISSN: | 0375-9474 |
Aparece en las colecciones: | (IFIC) Artículos |
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Heavy quark.pdf | 111,62 kB | Adobe PDF | Visualizar/Abrir |
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