Long-lived non-equilibrium population of Fe<sup>3+</sup> electronic states after the K-capture of <sup>57</sup>Co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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Long-lived non-equilibrium population of Fe³⁺ electronic states after the K-capture of ⁵⁷Co

Authors:	DL Nagy R Doerfler G Ritter J Waigel N Zeman B Molnár

Institution:	Physikalisches Institut, Universität Erlangen-Nürnberg, Glückstrasse 10, D-8520 Erlangen, Fed. Rep. Germany;Central Research Institute of Physics, P.O.B. 49, H-1525 Budapest, Hungary

Abstract:	Mössbauer emission spectra of a frozen aqueous solution of ⁵⁷CoCl₂ show contributions from the $S_{z} = + 52$ and the $S_{z} = + 32$ Zeeman levels of Fe³⁺ ions at T = 4.2 K in H ? 30 kG. The K-capture results in a non-equilibrium state of relaxation time comparable to the lifetime of the nuclear excited state (～ 10^?7 s).

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