Spectral patterns in the nonstrange baryon spectrum

Details Spectral patterns in the nonstrange baryon spectrum Spectral patterns in the nonstrange baryon spectrum

2006-08-14

arxiv.org/abs/hep-ph/0608152v1

Eur.Phys.J.A29:235,2006; Eur.Phys.J.A29:235-244,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 5 figures, 8 tables. Accepted for publication in Eur. Phys. J. A

Scientific paper

10.1140/epja/i2006-10081-1

We extract, from a quark model potential that reproduces the number and ordering of nonstrange baryonic resonances up to 2.3 GeV, the quantum numbers for the dominant configurations in the ground and first non-radial excited states. From the pattern of quantum numbers we identify, from data, spectral regularities that allow us to predict the expected high spin low-lying spectrum from 2.3 to 3.0 GeV. $N-\Delta$ degeneracies and $N$ parity doublets showing up can be interpreted in terms of a simple dynamics.

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