Quasiparticle Nature of Rotational Bands in <SUP>187</SUP>Pt

XING Ye-Bing; ZHOU Xiao-Hong; ZHANG Yu-Hu

Chinese Physics C> 2007, Vol. 31> Issue(3) : 247-250

Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate School, Chinese Academy of Sciences, Beijing 100049, China3 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

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Abstract：
The high-spin states in ¹⁸⁷Pt have been studied experimentally by means of in-beam γ-ray spectroscopy techniques via the ¹⁷³Yb(¹⁸O, 4n) fusion-evaporation reaction. The high-spin level scheme of ¹⁸⁷Pt has been established, including three rotational bands. Based on the systematics of level structure in neighboring nuclei and by comparing the experimental and theoretical B(M1)/B(E2) ratios, configurations of 11/2⁺[615], 7/2^－[503] and 1/2^－[521] have been proposed for the three rotational bands, respectively. Band properties of band crossing frequency, alignment gain and signature splitting have been discussed.

References

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XING Ye-Bing, ZHOU Xiao-Hong and ZHANG Yu-Hu. Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt[J]. Chinese Physics C, 2007, 31(3): 247-250.

XING Ye-Bing, ZHOU Xiao-Hong and ZHANG Yu-Hu. Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt[J]. Chinese Physics C, 2007, 31(3): 247-250. shu

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Received: 2006-05-25
Revised: 2006-07-24

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt

Corresponding author: ZHOU Xiao-Hong,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate School, Chinese Academy of Sciences, Beijing 100049, China3 Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan4 Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan

Received Date: 2006-05-25

Accepted Date: 2006-07-24

Available Online: 2007-03-05

Abstract: The high-spin states in ¹⁸⁷Pt have been studied experimentally by means of in-beam γ-ray spectroscopy techniques via the ¹⁷³Yb(¹⁸O, 4n) fusion-evaporation reaction. The high-spin level scheme of ¹⁸⁷Pt has been established, including three rotational bands. Based on the systematics of level structure in neighboring nuclei and by comparing the experimental and theoretical B(M1)/B(E2) ratios, configurations of 11/2⁺[615], 7/2^－[503] and 1/2^－[521] have been proposed for the three rotational bands, respectively. Band properties of band crossing frequency, alignment gain and signature splitting have been discussed.

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Quasiparticle Nature of Rotational Bands in 187Pt

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Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt

Quasiparticle Nature of Rotational Bands in ¹⁸⁷Pt