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Isospin splittings of baryons

Abstract : 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 charm 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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http://hal.in2p3.fr/in2p3-00129433
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Submitted on : Wednesday, February 7, 2007 - 2:00:08 PM
Last modification on : Monday, July 20, 2020 - 9:18:29 AM

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K. Varga, M. Genovese, J.-M. Richard, B. Silvestre-Brac. Isospin splittings of baryons. 7th International Conference on Hadron Spectroscopy, Aug 1997, Upton, N.Y., United States. pp.566. ⟨in2p3-00129433⟩

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