Threshold Resonances - a Lattice Perspective

Details Threshold Resonances - a Lattice Perspective Threshold Resonances - a Lattice Perspective

2003-03-04

arxiv.org/abs/nucl-th/0303009v1

Physics

Nuclear Physics

Nuclear Theory

5 Pages, 2 figures, invited contribution to Focus Session on Nature of Threshold N*, to be published in Proceedings of NSTAR 2

Scientific paper

The calculation of the masses of the lightest nucleon resonances using lattice QCD is surveyed. Recent results for the mass of the first radial excitation of the nucleon, the Roper resonance, are reviewed and the interpretation in terms of models of hadronic resonances, such as the quark model and hadronic molecules, discussed. The talk concludes with an outline of prospects for future calculations.

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