An Improved Schematic Pairing Force

Wu Chongshi

Chinese Physics C> 1997, Vol. 21> Issue(1) : 62-66

An Improved Schematic Pairing Force

Wu Chongshi ^,

Department of Physics,Peking University,Beijing 100871

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Abstract：
An improved formulation of the pairing correlation was proposed by introducing a radial correlation factor to reflect more reasonably the short range character of the correlation in nuclei.The experimental fact that the ground state band of ¹⁵⁷Tm is built on the Nilsson orbit [411]1/2⁺ is explained naturally.

References

[1]

C. F. WeizsLker, Z. Phys, 96(1935)431.[2] M. G. Mayer, J. H. D. Jensen, Elementary Theory of Nuclear Sell Skmcture, Wiley, New York, 1955.[3] A. Bohr, B. R. Mottelson, D. Pines, Phys. Rev., 110(1958) 936.[4] S. G. Nilsson, O. Prior, Mat. Fys. Medd. Dan. Vid. Selsk., 32(1960) nr. 16.[5] R. Bengtsson, J. D. Garrett, Int. Rev. Nucl. Phys., 2(1984)193.[6] J. Y. Zeng, T. S. Cheng, Nucl. Phys., A405(1983) 1;程檀生、吴崇试、曾谨言, 高能物理与核物理, 12(1988)534.[7] N. Rowley, K. F. Pal, M. A. Najarajan, Phys. Lett., B201(1988) 187.[8] M. Hasegiwa, S. Takazi, K Muramutsu, Phys. Lett., B226(1989) 1.[9] C. S. Wu, J. Y. Zeng, Phys. Rev. Lett., 66(1991) 1022; Phys. Rev, C44(1991) 2566.[10] J. D. Rowe, Nuclear Collectiue Motion (Methuuen, London 1970).[11] I. M. Green, S. A. Moszkowski, Phys. Rev., 139B(1965) 790.[12] R. R. Chasman, Phys. Rev., C14 (1976) 1935.[13] Xu Shuwei, Xie Yuanxiang, Pan Qangvan et al., Phys. Rev., C50 (1994) 3147.[14] G. D. Alkhazov, A. E. Barzakh, I. Ya. Chubukov et al., Nucl. Phys., A447(1988) 37.[15] S. G. Nilsson, C. F. Tsang, A. Sobicaewski et al., Nucl. Phys., A131 (1969) 1.

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Wu Chongshi. An Improved Schematic Pairing Force[J]. Chinese Physics C, 1997, 21(1): 62-66.

Wu Chongshi. An Improved Schematic Pairing Force[J]. Chinese Physics C, 1997, 21(1): 62-66. 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

An Improved Schematic Pairing Force

Wu Chongshi ^,

Corresponding author: Wu Chongshi,

Department of Physics,Peking University,Beijing 100871

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1997-01-05

Abstract: An improved formulation of the pairing correlation was proposed by introducing a radial correlation factor to reflect more reasonably the short range character of the correlation in nuclei.The experimental fact that the ground state band of ¹⁵⁷Tm is built on the Nilsson orbit [411]1/2⁺ is explained naturally.