Search for Double γ-Vibrational Bands in Neutron-Rich <sup>105</sup>Mo Nucleus

Chin. Phys. Lett.

2006, Vol. 23

Issue (12): 3222-3225 DOI:

Original Articles

Search for Double γ-Vibrational Bands in Neutron-Rich ¹⁰⁵Mo Nucleus

DING Huai-Bo¹;ZHU Sheng-Jiang¹,J. H. Hamilton²;A. V. Ramayya²; J. K. Hwang²;Y. X. Luo^2,3;J. O. Rasmussen³;I. Y. Lee³;CHE Xing-Lai¹;CHEN Yong-Jing¹;LI Ming-Liang¹

¹Department of Physics, Tsinghua University, Beijing 100084 ²Department of Physics, Vanderbilt University, Nashville, Tennessee 37235, USA ³Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

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DING Huai-Bo&sup, ZHU Sheng-Jiang, J. H. Hamilton&sup et al 2006 Chin. Phys. Lett. 23 3222-3225

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Abstract Levels in the neutron-rich ¹⁰⁵Mo nucleus have been investigated by observing prompt γ-rays following the spontaneous fission fragments of ²⁵²Cf with the Gammasphere detector array. The yrast band has been confirmed and updated. The other two collective bands with the band head levels at 870.5 and 1534.6 keV are newly observed, and they are suggested as the candidates for one-phonon K=9/2 and two-phonon K=13/2 double γ-vibrational bands, respectively. Systematic characteristics of these bands have been discussed.

Keywords: 21.10.Re 23.20.Lv 27.60.+j 25.85.Ca

Published: 01 December 2006

PACS:	21.10.Re	(Collective levels)
	23.20.Lv	(γ-transitions and level energies)
	27.60.+j	(90 ≤ A ≤ 149)
	25.85.Ca	(Spontaneous fission)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I12/03222

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	DING Huai-Bo&sup
	ZHU Sheng-Jiang
	J. H. Hamilton&sup
	A. V. Ramayya&sup
	J. K. Hwang&sup
	Y. X. Luo
	J. O. Rasmussen&sup
	I. Y. Lee&sup
	CHE Xing-Lai&sup
	CHEN Yong-Jing&sup
	LI Ming-Liang

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