Studies of the Low-Lying States in <sup>157, 159</sup>Tm

Xing Zheng; Chen Xingqu; Xu Shuwei

Chinese Physics C> 1996, Vol. 20> Issue(S1) : 93-100

Studies of the Low-Lying States in ^{157, 159}Tm

1 Department of Modem Physics, Lanzhou University, Lanzhou, China;
2 Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou, China

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Abstract：
Properties of the low-lying positive-parity states in ^{157, 159}Tm have been investigated by using the triaxial rotor plus particle model with the variable moment of inertia (VMI) of the core. The good agreement between theory and experiment shows that ¹⁵⁷Tm and ¹⁵⁹Tm may be triaxiality. Furthermore, it is suggested that an excitation rotational band in ¹⁵⁷Tm probably already exists in the experimental data.
- triaxial deformation ,
- variable moment of inertia ,
- particle-rotor model

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Xing Zheng, Chen Xingqu and Xu Shuwei. Studies of the Low-Lying States in ^{157, 159}Tm[J]. Chinese Physics C, 1996, 20(S1): 93-100.

Xing Zheng, Chen Xingqu and Xu Shuwei. Studies of the Low-Lying States in ^{157, 159}Tm[J]. Chinese Physics C, 1996, 20(S1): 93-100. shu

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Received: 1995-02-07

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Supported by the National Natural Science Foundation of China and the China Nuclear Industry Science Foundation.

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沈阳化工大学材料科学与工程学院沈阳 110142

Studies of the Low-Lying States in ^{157, 159}Tm

1 Department of Modem Physics, Lanzhou University, Lanzhou, China;
2 Institute of Modem Physics, The Chinese Academy of Sciences, Lanzhou, China

Received Date: 1995-02-07

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

Abstract: Properties of the low-lying positive-parity states in ^{157, 159}Tm have been investigated by using the triaxial rotor plus particle model with the variable moment of inertia (VMI) of the core. The good agreement between theory and experiment shows that ¹⁵⁷Tm and ¹⁵⁹Tm may be triaxiality. Furthermore, it is suggested that an excitation rotational band in ¹⁵⁷Tm probably already exists in the experimental data.