期刊
FEW-BODY SYSTEMS
卷 58, 期 2, 页码 -出版社
SPRINGER WIEN
DOI: 10.1007/s00601-016-1200-3
关键词
-
资金
- DFG [FI 970/11-1, TR 16]
We discuss the light baryon spectrum obtained from a recent quark-diquark calculation, implementing non-pointlike diquarks that are self-consistently calculated from their Bethe-Salpeter equations. We examine the orbital angular momentum content in the baryons' rest frame and highlight the fact that baryons carry all possible values of L compatible with their spin, without the restriction P = (-1)(L) which is only valid nonrelativistically. We furthermore investigate the meaning of complex conjugate eigenvalues of Bethe-Salpeter equations, their possible connection with 'anomalous' states, and we propose a method to eliminate them from the spectrum.
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