Weak Coupling in <sup>143</sup>Nd

Chin. Phys. Lett.

2000, Vol. 17

Issue (4): 264-266 DOI:

Original Articles

Weak Coupling in ¹⁴³Nd

ZHOU Xiao-Hong^*;E. Ideguchi;T. Kishida;M. Ishihara;H. Tsuchida;Y. Gono;T. Morikawa;M. Shibata;H. Watanabe;M. Miyake;T. Tsutsumi;S. Motomura;S. Mitarai

^*Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 Department of Physics, Kyushu University, Hakozaki 6-10-1, fukuoka 812, Japan

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ZHOU Xiao-Hong, E. Ideguchi, T. Kishida et al 2000 Chin. Phys. Lett. 17 264-266

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Abstract The high-spin states of ¹⁴³Nd have been studied in the ¹³⁰Te(¹⁸O, 5n)¹⁴³Nd reaction at a beam energy of 80 MeV using techniques of in-beam γ-ray spectroscopy. Measurements of γ -γ- t coincidences, γ-ray angular distributions, and γ-ray linearpolarizations were performed. A level scheme of ¹⁴³Nd with spin and parity assignments up to 53/2⁺ is proposed. While a weak coupling model can explain the level structure up to the J^π=39/2^-state, this model can not reproduce the higher-lying states. Additionally, a new low-lying non-yrast level sequence in ¹⁴³Nd was observed in the present work, which can be well described by the weak coupling of an i_13/2 neutron to the ¹⁴²Nd core nucleus.

Keywords: 23.20.Lv 21.60.Cs 27.60.+j

Published: 01 April 2000

PACS:	23.20.Lv	(γ-transitions and level energies)
	21.60.Cs	(Shell model)
	27.60.+j	(90 ≤ A ≤ 149)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I4/0264

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	ZHOU Xiao-Hong
	E. Ideguchi
	T. Kishida
	M. Ishihara
	H. Tsuchida
	Y. Gono
	T. Morikawa
	M. Shibata
	H. Watanabe
	M. Miyake
	T. Tsutsumi
	S. Motomura
	S. Mitarai

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