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. 2015 Oct:104:160-6.
doi: 10.1016/j.apradiso.2015.07.005. Epub 2015 Jul 3.

Precise measurement of the half-life of ⁶¹Cu

Aleksandra Cvetinović  1 , Andrej Likar  2 , Matej Lipoglavšek  2 , Andrej Mihelič  2 , Toni Petrovič  2 , Jelena Vesić  2 , Branko Vodenik  2
Affiliations

Precise measurement of the half-life of ⁶¹Cu

Aleksandra Cvetinović et al. Appl Radiat Isot. 2015 Oct.

Abstract

The decay characteristics of (61)Cu allow for a precise determination of its half-life. In order to search for a possible influence of the chemical environment on the decay rate, the half-life of (61)Cu in nickel and nickel-oxide was measured with high precision. The results show a small difference in the half-life that can be explained by the differences in electron density at the site of the nucleus. A discussion about the validity of the adopted value of the total angular momentum of the 656 keV state in (61)Ni is presented.

Keywords: Electron capture; Nuclear half-life; β decay.

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