A Chiral Quark-Soliton Model Theory for Nuclear Force

Xu Xiaoming; Qiu Xijun

Chinese Physics C> 1990, Vol. 14> Issue(S4) : 381-389

A Chiral Quark-Soliton Model Theory for Nuclear Force

Xu Xiaoming ,
Qiu Xijun

Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai, China

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Abstract：
The chiral quark-soliton model with one gluon exchange is briefly described. The quark-gluon coupling constant and quark wave functions determined in the soliton model are used as input for the relativistic two-quark-cluster theory. In this paper the two-nucleon system is studied. Two terms of the kinetic energy and relative-motion energy in the quark-exchange kernel are taken into account. Therefore, the phase shifts for ³S₁ and ¹S₀ channels are improved. The phase shifts are in agreement with Arndt's. It is shown by our calculations that one-gluon-exchange and quark-exchange provide a short-range repulsive potential and the chiral field produces the middle- and long-rang attractive potential.

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Xu Xiaoming and Qiu Xijun. A Chiral Quark-Soliton Model Theory for Nuclear Force[J]. Chinese Physics C, 1990, 14(S4): 381-389.

Xu Xiaoming and Qiu Xijun. A Chiral Quark-Soliton Model Theory for Nuclear Force[J]. Chinese Physics C, 1990, 14(S4): 381-389. shu

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Received: 1989-11-29

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

A Chiral Quark-Soliton Model Theory for Nuclear Force

Xu Xiaoming
Qiu Xijun

Institute of Nuclear Research, Chinese Academy of Sciences, Shanghai, China

Received Date: 1989-11-29

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: The chiral quark-soliton model with one gluon exchange is briefly described. The quark-gluon coupling constant and quark wave functions determined in the soliton model are used as input for the relativistic two-quark-cluster theory. In this paper the two-nucleon system is studied. Two terms of the kinetic energy and relative-motion energy in the quark-exchange kernel are taken into account. Therefore, the phase shifts for ³S₁ and ¹S₀ channels are improved. The phase shifts are in agreement with Arndt's. It is shown by our calculations that one-gluon-exchange and quark-exchange provide a short-range repulsive potential and the chiral field produces the middle- and long-rang attractive potential.