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Phys. Rev. C 67, 055207 (2003) [11 pages]

Low-lying S-wave and P-wave dibaryons in a nodal structure analysis

Abstract
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Yu-xin Liu1,2,3, Jing-sheng Li1, and Cheng-guang Bao3,4
1Department of Physics, Peking University, Beijing 100871, China
2Institute of Theoretical Physics, Academia Sinica, Beijing 100080, China
3Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China
4Department of Physics, Zhongshan University, Guangzhou 510275, China

Received 18 December 2002; published 29 May 2003

The inherent nodal surface structure analysis approach is proposed for six-quark clusters with u, d, and s quarks. The wave functions of the six-quark clusters are classified, and the contribution of the hidden-color channels are discussed. The quantum numbers and configurations of the wave functions of the low-lying dibaryons are obtained. The states [ΩΩ](0,0+), [ΩΩ](0,2-), [Ξ*Ω](1/2,0+), and [Σ*Σ*](0,4-) and the hidden-color channel states with the same quantum numbers are proposed to be the candidates of experimentally observable dibaryons.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.67.055207
DOI:
10.1103/PhysRevC.67.055207
PACS:
14.20.Pt, 11.30.-j, 21.60.Gx, 12.38.-t