Structure of Dibaryon in Chiral-Quark Model

Yun Xiuqing; Zhang Zongye; Yu Youwen; Shen Pengnian

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1998, Vol. 22> Issue(8) : 718-725

Structure of Dibaryon in Chiral-Quark Model

Institute of High Energy Physics CAS Beijing 100039

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Abstract：
The SU(3) chiral quark model is used to invesdgate the structures of three six-quark systems-H dibaryon d' and d' states. The non-perturbative QCD effects such as SU(3) chairl field coupling and the vector-coupling effect on the confinement potential are studied. The results show that the SU(2) chiral field coupling makes six-quark system more stable, but the SU(3) chiral"cloud" is not favourable to form the dibaryons.

References

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Jaffe R L. Phys. Rev. Lett, 1977, 38: 195[2] Sachio Takeuchi, Makoto Oka Phys. Rev. Lett, 1991, 66: 1271[3] Stotzer R W, Burger T. et al. Phys. Rev. Lett, 1997, 78:3646[4] Bilger R, Clement H A, Schepkin M G. Phys. Rev. Lett, 1993, 71:42[5] Georg Wagner, Glozrnan L Ya Nucl. Phys., 1995, A594: 263-293[6] Zhang Z Y, Faessler A, Straub U et al. Nucl. Phys., 1994, A578:573; Zhang Z Y, Yu Y W, Shen P N et al. Nucl. Phys. 1997, A625: 59-70[7] Shen P N, Dong Y B, Yu Y W et al. Phys. Rev., 1997, C55:2024[8] Ulrich Straub, Zhang Zong ye. Nucl. Phys. 1990, A508:385c-394c

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Yun Xiuqing, Zhang Zongye, Yu Youwen and Shen Pengnian. Structure of Dibaryon in Chiral-Quark Model[J]. Chinese Physics C, 1998, 22(8): 718-725.

Yun Xiuqing, Zhang Zongye, Yu Youwen and Shen Pengnian. Structure of Dibaryon in Chiral-Quark Model[J]. Chinese Physics C, 1998, 22(8): 718-725. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Structure of Dibaryon in Chiral-Quark Model

Corresponding author: Yun Xiuqing,

Institute of High Energy Physics CAS Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1998-08-05

Abstract: The SU(3) chiral quark model is used to invesdgate the structures of three six-quark systems-H dibaryon d' and d' states. The non-perturbative QCD effects such as SU(3) chairl field coupling and the vector-coupling effect on the confinement potential are studied. The results show that the SU(2) chiral field coupling makes six-quark system more stable, but the SU(3) chiral"cloud" is not favourable to form the dibaryons.