High Spin States of <sup>113</sup>In

doi:10.1088/0256-307X/29/6/062102

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摘要 Level structures of ¹¹³In are studied through the fusion-evaporation reaction ¹¹⁰Pd(⁷Li,4n)¹¹³In at a beam energy of 50 MeV. Two new bands are established for the first time. Here the ΔI = 2 band based on proton excitation is assigned to the πg_9/2^-2⊗νh_11/2²d_5/2 configuration. In addition, the backbending associated with the additional aligned h_11/2 neutron pair is found in the negative parity yrast band. The experimental results are compared with self-consistent tilted axis cranking relativistic mean field calculations. Several decay paths of the πh_11/2 intruder band are established, by which the level energies and spins of the πh_11/2 intruder band are determined. The bandcrossing delay of the πh_11/2 intruder bands around the Z=50 shell and the dynamic moment of inertia of the πg_9/2^-1⊗νh_11/2² bands in ^{113,115,117,119}In are studied systematically.

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	MA Ke-Yan
	LU Jing-Bin
	YANG Dong
	LI Jian
	WANG Hui-Dong
	LIU Yun-Zuo
	WU Xiao-Guang
	ZHU Li-Hua
	ZHENG Yun
	HE Chuang-Ye

Abstract：Level structures of ¹¹³In are studied through the fusion-evaporation reaction ¹¹⁰Pd(⁷Li,4n)¹¹³In at a beam energy of 50 MeV. Two new bands are established for the first time. Here the ΔI = 2 band based on proton excitation is assigned to the πg_9/2^-2⊗νh_11/2²d_5/2 configuration. In addition, the backbending associated with the additional aligned h_11/2 neutron pair is found in the negative parity yrast band. The experimental results are compared with self-consistent tilted axis cranking relativistic mean field calculations. Several decay paths of the πh_11/2 intruder band are established, by which the level energies and spins of the πh_11/2 intruder band are determined. The bandcrossing delay of the πh_11/2 intruder bands around the Z=50 shell and the dynamic moment of inertia of the πg_9/2^-1⊗νh_11/2² bands in ^{113,115,117,119}In are studied systematically.

Key words： 21.10.Re 23.20.Lv 27.60.+j 29.30.Kv

收稿日期: 2012-03-20 出版日期: 2012-05-31

:	21.10.Re	(Collective levels)
	23.20.Lv	(γ-transitions and level energies)
	27.60.+j	(90 ≤ A ≤ 149)
	29.30.Kv	(X- and γ-ray spectroscopy)

引用本文:

MA Ke-Yan, LU Jing-Bin, YANG Dong, LI Jian, WANG Hui-Dong, LIU Yun-Zuo, WU Xiao-Guang, ZHU Li-Hua, ZHENG Yun, HE Chuang-Ye. High Spin States of ¹¹³In[J]. 中国物理快报, 2012, 29(6): 62102-062102.
MA Ke-Yan, LU Jing-Bin, YANG Dong, LI Jian, WANG Hui-Dong, LIU Yun-Zuo, WU Xiao-Guang, ZHU Li-Hua, ZHENG Yun, HE Chuang-Ye. High Spin States of ¹¹³In. Chin. Phys. Lett., 2012, 29(6): 62102-062102.

链接本文:

https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/29/6/062102 或 https://cpl.iphy.ac.cn/CN/Y2012/V29/I6/62102

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