γ-Ray emission from oriented nuclei in a multiaxis nuclear spin system: 166mHo165<math><mtext>Ho</mtext></math>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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γ-Ray emission from oriented nuclei in a multiaxis nuclear spin system: ^166mHo¹⁶⁵ $Ho$

Authors:	H Marshak BG Turrell

Institution:	National Bureau of Standards, Washington, D.C. 20234, USA;Department of Physics, University of British Columbia, Vancouver, B.C. V6T 1W5, Canada

Abstract:	A new method is proposed to measure multiaxis nuclear spin structures using γ-ray emission from oriented radioactive nuclei. This method, which depends only on angular momentum theory, is presented for helical spin structures. The atomic magnetic structure can also be obtained when the nuclear magnetism is produced by hyperfine interaction. Measurements on ^166mHo in a single crystal of ¹⁶⁵Ho metal show that the spin axes form a single cone with a half-angle of 80.4±0.4°.

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