Observation of Low-Lying and Linking Transitions<sup>124</sup> Cs

Chin. Phys. Lett.

2001, Vol. 18

Issue (1): 21-23 DOI:

Original Articles

Observation of Low-Lying and Linking Transitions¹²⁴ Cs

LU Jing-Bin¹;LIU Yun-Zuo¹;YIN Li-Chang¹;ZHANG Fan¹;WU Xiao-Guang²;WEN Shu-Xian²;LI Guang-Sheng²;YANG Chun-Xiang²

¹Department of Physics, Jilin University, Changchun 130023 ²China Institute of Atomic Energy, Beijing 102413

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LU Jing-Bin, LIU Yun-Zuo, YIN Li-Chang et al 2001 Chin. Phys. Lett. 18 21-23

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Abstract The level states of the nucleus ¹²⁴Cs have been populated through the ¹¹⁶Sn(¹¹B,3n) reaction at a beam energy of 45 MeV, provided by the HI-13 tandem accelerator of the China Institute of Atomic Energy. A number of low-lying states are constructed. The level states in the πh_11/2 vg_7/2 side band are extended down to lower spin by one h. The level energies and spins in the rotational bands are determined through the establishment of various connections, which confirm the spin assignment of the yrast band in¹²⁴Cs based on excitation energy systematics. It is revealed that with the present spin assignment, the πh_11/2 vg_7/2 side band shows signature inversion at low-spin region and the inversion occurs at a spin of about 16ħ.

Keywords: 21.10.Re 23.20.Lv 27.60.+j 29.30.Kv

Published: 01 January 2001

PACS:	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)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I1/021

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	LU Jing-Bin
	LIU Yun-Zuo
	YIN Li-Chang
	ZHANG Fan
	WU Xiao-Guang
	WEN Shu-Xian
	LI Guang-Sheng
	YANG Chun-Xiang

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