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28 March 2024
 
  » arxiv » 1202.2470

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Mass formulas for single-charm tetraquarks with Fermi-Breit hyperfine interaction
V. Borka Jovanović ; D. Borka ;
Date 11 Feb 2012
AbstractIn this paper we present the main results of our investigation of the $cq ar{q} ar{q}$ single-charm scalar tetraquarks and their SU(3)$_mathrm{F}$ representations: $ar{15}_S$, $ar{3}_S$, $6_A$ and $ar{3}_A$. 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.
Source arXiv, 1202.2470
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