Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2012-02-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 6 tables, 2 figures. Accepted for publication in Rom. J. Phys
Scientific paper
In this paper we present the main results of our investigation of the $cq \bar{q} \bar{q}$ single-charm scalar tetraquarks and their SU(3)$_\mathrm{F}$ representations: $\bar{15}_S$, $\bar{3}_S$, $6_A$ and $\bar{3}_A$. We use the Fermi-Breit interaction Hamiltonian with SU(3) flavor symmetry breaking to determine the masses of the single-charm tetraquarks. We also discuss mass spectra obtained from meson and baryon mass fits. The mass spectra are very similar to those obtained with Glozman-Riska hyperfine interaction, and they indicate that some of the experimentally detected states may have tetraquark nature.
Borka Duško
Jovanović Vesna Borka
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