Excited Baryons and Chiral Symmetry Breaking of QCD

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N* masses in the spin-1/2 and spin-3/2 sectors are computed using two non-perturbative methods: lattice QCD and QCD sum rules. States with both positive and negative parity are isolated via parity projection methods. The basic pattern of the mass splittings is consistent with experiments. The mass splitting within the same parity pair is directly linked to the chiral symmetry breaking QCD.
contribution to Baryon 2002, 5 pages, 3 figures

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Nuclear Theory, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/81882

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0208026
 http://arxiv.org/abs/nucl-th/0208026

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arXiv