Exotic Omega(0)(c) baryons from meson-baryon scattering

0506038 - ÚJF 2020 RIV GB eng C - Konferenční příspěvek (zahraniční konf.)
Montana, G. - Ramos, A. - Feijoo, Aliau Eduardo Alberto
Exotic Omega(0)(c) baryons from meson-baryon scattering.
Jounal of Physics Conference Series. Vol. 1137. Bristol: IOP Publishing, 2019, č. článku 012040. ISSN 1742-6588.
[13th International Conference on Beauty, Charm and Hyperon Hadrons (BEACH 2018). Peniche (PT), 17.06.2018-23.06.2018]
Institucionální podpora: RVO:61389005
Klíčová slova: meson-baryon interaction * scattering * resonance
Obor OECD: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

A meson-baryon interaction in the charm +1, strangeness 2 and isospin 0 sector is built from a t-channel vector meson exchange model employing effective Lagrangians. The implementation of coupled-channel unitarization in the s-wave scattering amplitudes gives rise to two structures that have similar masses and widths to those of the Q,(3050) and Q,(3090) states recently observed by the LHCb collaboration. A meson-baryon molecular interpretation of these resonances would assign their spin-parity to be JP = 1/2.
Trvalý link: http://hdl.handle.net/11104/0297333