Signature Inversion of Yrast Band in Odd-Odd <sup>l62</sup>Lu Nucleus

Chin. Phys. Lett.

1996, Vol. 13

Issue (4): 257-260 DOI:

Original Articles

Signature Inversion of Yrast Band in Odd-Odd ^l62Lu Nucleus

ZHANG Yu-hu;ZHOU Xiao-hong;ZHAO Qing-zhong;SUN Xiang-fu, LEI Xiang-guo;GUO Ying-xiang;LIU Zhong;CHEN Xing-feng;ZHU Yong-tai;WEN Shu-xian^*;YUAN Guan-jun^*;LIU Xiang-an^*

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 ^*China Institute of Atomic Energy, Beijing 102413

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ZHANG Yu-hu, ZHOU Xiao-hong, ZHAO Qing-zhong et al 1996 Chin. Phys. Lett. 13 257-260

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Abstract High spin states of the odd-odd ^l62Lu nucleus have been studied via ¹⁴⁷Sm(¹⁹F,4nγ) reaction at 95MeV beam energy. Level scheme for yrast band based on π [ h_11/2]v [i_13/2] quasiparticle configuration was established up to I^π = (23^-) for the first time. This band shows the signature inversion in energy before backbending generally appeared in this mass region. It is stressed that the signature splitting in ¹⁶²Lu is larger than that in ¹⁶⁰Tm nucleus.

Keywords: 21.10.-k 21.10.Hw

Published: 01 April 1996

PACS:	21.10.-k	(Properties of nuclei; nuclear energy levels)
	21.10.Hw	(Spin, parity, and isobaric spin)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I4/0257

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	ZHANG Yu-hu
	ZHOU Xiao-hong
	ZHAO Qing-zhong
	SUN Xiang-fu
	LEI Xiang-guo
	GUO Ying-xiang
	LIU Zhong
	CHEN Xing-feng
	ZHU Yong-tai
	WEN Shu-xian
	YUAN Guan-jun
	LIU Xiang-an

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