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Structures of NΩ and △Ω Dibaryons |
DAI Lian-Rong1;ZHANG Dan 2,3;LI Chun-Ran1;TONG Lei1 |
1Department of Physics, Liaoning Normal University, Dalian 116029
2Institute of High Energy Physics, Beijing 100049
3Graduate School of the Chinese Academy of Sciences, Beijing 100049 |
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Cite this article: |
DAI Lian-Rong, ZHANG Dan, LI Chun-Ran et al 2007 Chin. Phys. Lett. 24 389-392 |
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Abstract We study the structures of NΩ and △Ω systems in the extended chiral SU(3) quark model by solving a resonating group method equation. The results show that both systems are weakly bound states and changed into unbound states if we consider the mixing of scalar mesons.
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Keywords:
24.85.+p
13.75.Cs
14.20.Pt
25.75.Dw
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Received: 26 October 2006
Published: 24 February 2007
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[1] Brodsky S J, Schmidt I A and Teramond G F De1990 Phys. Rev. Lett 64 1011 [2] Gao H, Lee T S H and Marinov V 2001 Phys. Rev. C 63 022201 [3] Huang F, Zhang Z Y and Yu Y W 2006 Phys. Rev. C 73025207 [4] Dai L R, Zhang Z Y, Yu Y W and Wang P 2003 Nucl. Phys. A 727 321 Dai L R 2005 Chin. Phys. Lett. 22 2204 [5] Pang H R, Ping J L, Wang F, Goldman T and Zhao E G 2004 Phys. Rev. C 69 065207 Wang F, Ping J L, Wu G H, Teng L J and Goldman T 1995 Phys.Rev. C 51 3411 Pang H R, Ping J L, Chen L Z and Wang F 2004 Chin. Phys.Lett. 21 1455 Zong H S, Wu X H, Hou F Y and Zhao E G 2004 Chin. Phys.Lett. 21 43 [6] Goldman T, Maltman K, Stephenson G J, Schmidt K E and Wang F1987 Phys. Rev. Lett. 59 627 [7] Li Q B and Shen P N 2000 Eur. Phys. J. A 8 417 [8] Zhang Z Y, Yu Y W, Shen P N, Dai L R, Faessler A and Straub U1997 Nucl. Phys. A 625 59 [9] Huang F, Zhang Z Y and Yu Y W 2004 Phys. Rev. C 70044004 Huang F and Zhang Z Y 2004 Phys. Rev. C 70 064004 Huang F, Zhang D, Zhang Z Y and Yu Y W 2005 Phys. Rev. C 71 064001 Huang F and Zhang Z Y 2005 Phys. Rev. C 72 024003 [10] Dai Y B and Wu Y L 2005 Eur. Phys. J. C 39 S1 |
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