Exotic baryons and monopole excitations in a chiral soliton model
Fachbereich Physik, Siegen University, Walter-Flex-Straße 3, D-57068, Siegen, Germany
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We compute the spectra of exotic pentaquarks and monopole excitations of thelow-lying and baryons in a chiral soliton model. Once the low-lying baryon properties are fit, the other states are predicted without any more adjustable parameters. This approach naturally leads to a scenario in which the mass spectrum of the next to lowest-lying states is fairly well approximatedby the ideal mixing pattern of the representation of flavor SU(3). We compare our results to predictions obtained in other pictures for pentaquarks and speculate about the spin-parity assignment for and .
© Società Italiana di Fisica and Springer-Verlag, 2004