Identification of Collective Oblate Bands in <sup>138</sup>Ce

Chin. Phys. Lett.

1999, Vol. 16

Issue (9): 635-637 DOI:

Original Articles

Identification of Collective Oblate Bands in ¹³⁸Ce

ZHU Sheng-jiang¹;LI Ming¹;ZHU Ling-yan¹;GAN Cui-yun¹;M. Sakhaee¹;YANG Li-ming¹;PAU San-li¹;LONG Gui-lu¹;DENG Jing-kang¹;WEN Shu-xian²;WU Xiao-guang²;LIU Xiang-an²

¹Department of Physics, Tsinghua University, Beijing 100084 ²China Institute of Atomic Energy, Beijing 102413

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ZHU Sheng-jiang, LI Ming, ZHU Ling-yan et al 1999 Chin. Phys. Lett. 16 635-637

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Abstract High spin states in ¹³⁸Ce have been investigated following heavy-ion induced reactions carried out at the China Institute of Atomic Energy, Beijing. Two collective rotational bands were established for the first time. These two bands show oblate deformation with γ= -60°and probably originate from the four quasiparticle configurations πg_7/2 πh_11/2vh_11/2 vd_3/2 and πg_7/2πh_11/2 [vh_11/2]², respectively. These oblate bands exhibit strong M1 transitions, no signature splitting and different moments of inertia from those of prolate bands.

Keywords: 21.10.Re 21.10.Pc 27.60.+j

Published: 01 September 1999

PACS:	21.10.Re	(Collective levels)
	21.10.Pc	(Single-particle levels and strength functions)
	27.60.+j	(90 ≤ A ≤ 149)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I9/0635

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	ZHU Sheng-jiang
	LI Ming
	ZHU Ling-yan
	GAN Cui-yun
	M. Sakhaee
	YANG Li-ming
	PAU San-li
	LONG Gui-lu
	DENG Jing-kang
	WEN Shu-xian
	WU Xiao-guang
	LIU Xiang-an

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