Identification of a New Isotope <sup>186</sup>Hf

Chin. Phys. Lett.

1999, Vol. 16

Issue (6): 406-407 DOI:

Original Articles

Identification of a New Isotope ¹⁸⁶Hf

YANG Wei-fan;YUAN Shuang-gui;XU Yan-bing;HE Jian-jun;LI Zong-wei;MA Tao-tao;FANG Ke-ming;SHEN Shui-fa

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000

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YANG Wei-fan, YUAN Shuang-gui, XU Yan-bing et al 1999 Chin. Phys. Lett. 16 406-407

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Abstract The new neutron-rich isotope ¹⁸⁶Hf has been produced through a multinucleon transfer reaction by irradiation of natural tungsten targets with 60 MeV/u ¹⁸O projectiles. The ¹⁸⁶Hf activities were separated radiochemically from the tungsten and reaction product mixture. The γ-ray singles spectra were measured with a high resolution HPGe detector. The new isotope 186Hf was identified based on the growth and decay of 737.5keV γ rays from the β^- decay of its daughter ¹⁸⁶Ta. Its half-life has been determined to be 2.6 ± 1.2 min.

Keywords: 23.40.-s 27.70.+q

Published: 01 June 1999

PACS:	23.40.-s	(β-decay;double β-decay; electron and muon capture)
	27.70.+q	(150 ≤ A ≤ 189)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I6/0406

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	YANG Wei-fan
	YUAN Shuang-gui
	XU Yan-bing
	HE Jian-jun
	LI Zong-wei
	MA Tao-tao
	FANG Ke-ming
	SHEN Shui-fa

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