https://doi.org/10.1140/epja/i2007-10561-8
Regular Article - Theoretical Physics
On the nature of the lowest 1/2- baryon nonet and decuplet⋆
1
Institute of High Energy Physics, CAS, 100049, Beijing, China
2
Theoretical Physics Center for Science Facilities, CAS, 100049, Beijing, China
* e-mail: zoubs@ihep.ac.cn
Received:
18
December
2007
Accepted:
21
January
2008
Published online:
24
March
2008
From our recent study of properties of the lowest spin-parity 1/2- baryons, N *(1535) and Δ*(1620) , new pictures for the internal structure of the lowest 1/2- baryon nonet and decuplet are proposed. While the lowest 1/2- baryon nonet may have large diquark-diquark-antiquark component, the lowest 1/2- baryon decuplet is proposed to have large vector-meson-baryon components. Evidence for “missing" members of the new pictures is pointed out and suggestions are made for detecting these predicted states from forthcoming experiments.
PACS: 14.20.-c Baryons (including antiparticles) – / 13.25.Gv Decays of J/ψ , ϒ and other quarkonia – / 13.75.Cs Nucleon-nucleon interactions (including antinucleons, deuterons, etc.) –
© Società Italiana di Fisica and Springer-Verlag, 2008
