Isospin Mass Splittings of Baryons in Potential Models

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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18 pages

Scientific paper

10.1103/PhysRevD.59.014012

We discuss the isospin-breaking mass differences among baryons, with particular attention in the charm sector to the $\Sigma_c^{+}-\Sigma_c^0$, $\Sigma_c^{++}-\Sigma_c^0$, and $\Xi_c^+-\Xi_c^0$ splittings. Simple potential models cannot accommodate the trend of the available data on charmed baryons. More precise measurements would offer the possibility of testing how well potential models describe the non-perturbative limit of QCD.

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