High-spin structure in 187Pt

被引：0

作者：

Xing YeBing ^{[1
,2
]}

Zhou XiaoHong ^{[1
,2
]}

Zhang Yuhu ^{[1
]}

Guo YingXiang ^{[1
]}

Ma Long ^{[1
]}

Lei XiangGuo ^{[1
]}

Guo WenTao ^{[1
]}

Oshima, M. ^{[3
]}

Toh, Y. ^{[3
]}

Koizumi, M. ^{[3
]}

Osa, A. ^{[3
]}

Hatsukawa, Y. ^{[3
]}

Xu FuRong ^{[4
,5
]}

Sugawara, M. ^{[6
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

[3] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan

[4] Peking Univ, Dept Tech Phys, Beijing 100871, Peoples R China

[5] Peking Univ, Key Lab Minist Educ China, Beijing 100871, Peoples R China

[6] Chiba Inst Technol, Narashino, Chiba 2750023, Japan

来源：

SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY | 2008年 / 51卷 / 08期

基金：

中国国家自然科学基金;

关键词：

rotational band; configuration; shape coexistence;

D O I：

10.1007/s11433-008-0084-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

High-spin states in Pt-187 were studied via the Yb-173(O-18, 4n) reaction. Rotational bands based on the vi(13/2), v7/2(-)[503], vi(13/2)(2)vj, v3/2(-)[512] and v1/2(-)[521] configurations were observed, and interpreted within the framework of the cranked shell model. The TRS calculations show that the vi(13/2) band has an appreciable negative gamma deformation, and the negative-parity bands tend to have a near prolate shape with small positive gamma values. Experimental values of B(M1)/B(E2) ratios have been extracted and compared with theoretical values from the semi-classical Donau and Frauendof approach, strongly suggesting a low frequency pi h(9/2) alignment in the v7/2(-)[503] band.

引用

页码：1053 / 1071

页数：19

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