Chinese Physics C > 2001, Vol. 25 > Issue(9): 828-833

Investigation of High-Spin States in¹⁴³Pm

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
High spin states in ¹⁴³Pm have been investigated via the ¹²⁸Te( ¹⁹F,4nγ) ¹⁴³Pm reaction using techniques of in-beam γ-spectroscopy. γ-ray singles,γ-γ coincidences, γ-ray anisotropies and DCO ratios have been measured. Based on these measurements, the level scheme of ¹⁴³Pm has been extended up to excitation energy of 10535.4keV including 32 new γ rays deexciting of 17 new levels. The yrast levels in ¹⁴³Pm can be understood qualitatively in the framework of a weak-coupling model.

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HE Jian-Jun, ZHANG Yu-Hu, GUO Ying-Xiang, ZHOU Xiao-Hong, LEI Xiang-Guo, HUANG Wen-Xue, FENG Xi-Chen, ZHANG Shuang-Quan, XU Xiao, LIU Zhong, LUO Yi-Xiao, WEN Shu-Xian, WU Xiao-Guang and YUAN Guan-Jun. Investigation of High-Spin States in ¹⁴³Pm[J]. Chinese Physics C, 2001, 25(9): 828-833.

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Received: 2000-08-30
Revised: 1900-01-01

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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

Investigation of High-Spin States in¹⁴³Pm

Corresponding author:HE Jian-Jun,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China1 China Institute of Atomic Energy, Beijing 102413, China

Received Date:2000-08-30

Accepted Date:1900-01-01

Available Online:2001-09-05

Abstract:High spin states in¹⁴³Pm have been investigated via the¹²⁸Te(¹⁹F,4nγ)¹⁴³Pm reaction using techniques of in-beam γ-spectroscopy. γ-ray singles,γ-γ coincidences, γ-ray anisotropies and DCO ratios have been measured. Based on these measurements, the level scheme of¹⁴³Pm has been extended up to excitation energy of 10535.4keV including 32 new γ rays deexciting of 17 new levels. The yrast levels in¹⁴³Pm can be understood qualitatively in the framework of a weak-coupling model.

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Investigation of High-Spin States in¹⁴³Pm

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通讯作者:陈斌, bchen63@163.com

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