Excited Baryons and Chiral Symmetry Breaking of QCD

Details Excited Baryons and Chiral Symmetry Breaking of QCD Excited Baryons and Chiral Symmetry Breaking of QCD

2002-08-14

arxiv.org/abs/nucl-th/0208026v1

Physics

Nuclear Physics

Nuclear Theory

contribution to Baryon 2002, 5 pages, 3 figures

Scientific paper

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.

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