Título: | Calculation of regge trajectories of strange resonances and identification of the k-0(800) as a non-ordinary meson |
Autores: | Rodas Bilbao, Arkaitz |
Tipo de documento: | texto impreso |
Editorial: | Polska Akademia Nauk, Instytut Fizyki, 2016 |
Dimensiones: | application/pdf |
Nota general: | info:eu-repo/semantics/openAccess |
Idiomas: | |
Palabras clave: | Estado = Publicado , Materia = Ciencias: Física: Física-Modelos matemáticos , Materia = Ciencias: Física: Física matemática , Tipo = Artículo |
Resumen: | We review how the Regge trajectory of an elastic resonance can be obtained just from its pole position and coupling, using a dispersive formalism. This allows us to deal correctly with the finite widths of resonances in Regge trajectories. In this way, we can calculate the Regge trajectories for the K* (892), K_1(1400) and K_(0)^(*)(1430), obtaining ordinary linear Regge trajectories, expected for qq resonances. In contrast, for the K_(0)^(*)(800) meson, the resulting Regge trajectory is non-linear and with much smaller slope, strongly supporting its non-ordinary nature. |
En línea: | https://eprints.ucm.es/41876/1/rodasbilbao2libre.pdf |
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