A New Isotope of Hafnium: <SUP>186</SUP>Hf

He Jianjun; Yuan Shuanggui; Yang Weifan; Li Zongwei; Ma Taotao; Fang Keging; Shen Shuifa; Gan Zaiguo; Pan Qiangyan; Chen Zhantu; Guo Tianrui; Mou Wantong; Su Denggui; Xu Yanbing; Guo Junsheng; Liu Hongye; Shi Li Lijun; Zhao Zhizheng; Ma Huifang

Chinese Physics C> 1998, Vol. 22> Issue(12) : 1057-1060

A New Isotope of Hafnium: ¹⁸⁶Hf

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

Abstract
HTML
Reference
Related

PDF

Abstract：
60MeV /u ¹⁸O ion beam delivered by the Heavy Ion Research Facility in Lanzhou (HIRFL) bombarded the natural tungsten targets. The ¹⁸⁶Hf was produced by multinucleon transfer reacions. The hafnium fraction was separated radiochemically from the mixture of tungsten and the reaction products. The γ activity was measured with a HPGe detector. The growth and decay of ¹⁸⁶)Ta γ-rays has been observed, which indicates the (186)Hf as a parent of ¹⁸⁶Ta were produced. The half-life of ¹⁸⁶Hf has been determined to be (2.6±1.2)min.

References

[1]

Loveland W et al Nucl Phys,1987., A471(1,2):175c—190c[2] Daniel Guerreau et al. Nucl Phys., 1986, A447:37c─66c [3] Mcgaughey P L et aL Phys Rev.,1985, C31(3):896─909[4] Zhang Li et al.Phys Rev.,1994, C49(2):592─596 [5] Yuan Shuanggui et al.Z.Phys.,1995, A352(3):235─236 [6] Y Shnggui et al.Z. Phys,1993, A344:355─356 [7] Dai Guangxi et al. Chart of Nuclides (in Chinese),1987, 8─31(戴光曦等.核素图册,1987,8—31)[8] Firestone R B Nucl Deta Sheets,1988, 55(4):583─610 [9] Lu Xiting et al.Nuclear Physics.Beijng:Atom Energy Press(in Chinese),1981,28—31(卢希庭等.原子核物理,1981,28—31) [10] Staudt A et al.Atomic Deta and Nucl Deta Tables, 1990, 44(1):79—132

Access

Get Citation

He Jianjun, Yuan Shuanggui, Yang Weifan, Li Zongwei, Ma Taotao, Fang Keging, Shen Shuifa, Gan Zaiguo, Pan Qiangyan, Chen Zhantu, Guo Tianrui, Mou Wantong, Su Denggui, Xu Yanbing, Guo Junsheng, Liu Hongye, Shi Li Lijun, Zhao Zhizheng and Ma Huifang. A New Isotope of Hafnium: ¹⁸⁶Hf[J]. Chinese Physics C, 1998, 22(12): 1057-1060.

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1998-01-04
Revised: 1900-01-01

Article Metric

Article Views(3820)
PDF Downloads(568)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

A New Isotope of Hafnium: ¹⁸⁶Hf

Corresponding author: He Jianjun,

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

Received Date: 1998-01-04
Accepted Date: 1900-01-01
Available Online: 1998-12-05

Abstract: 60MeV /u ¹⁸O ion beam delivered by the Heavy Ion Research Facility in Lanzhou (HIRFL) bombarded the natural tungsten targets. The ¹⁸⁶Hf was produced by multinucleon transfer reacions. The hafnium fraction was separated radiochemically from the mixture of tungsten and the reaction products. The γ activity was measured with a HPGe detector. The growth and decay of ¹⁸⁶)Ta γ-rays has been observed, which indicates the (186)Hf as a parent of ¹⁸⁶Ta were produced. The half-life of ¹⁸⁶Hf has been determined to be (2.6±1.2)min.