$Experimental evidence of (M1+E2) mixed character of the 9.2 keV transition in $^{227}$Th and its consequence for spin-interpretation of low-lying levels$

Experimental evidence of (M1+E2) mixed character of the 9.2 keV transition in $^{227}$Th and its consequence for spin-interpretation of low-lying levels

The 9.2 keV nuclear transition in $^{227}$Th populated in the $\beta$-decay of $^{227}$Ac was studied by means of the internal conversion electron spectroscopy. Its multipolarity was proved to be of mixed character M1+E2 and the spectroscopic admixture parameter $\delta^2$(E2/M1)=0.695 \(\pm...

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Veröffentlicht in:	arXiv.org 2021-01
Hauptverfasser:	Kovalík, A, A Kh Inoyatov, Perevoshchikov, L L, Ryšavý, M, Filosofov, D V, Alexa, P, Kvasil, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Admixtures Beta decay Internal conversion Physics - Nuclear Experiment Physics - Nuclear Theory
Online-Zugang:	Volltext
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Experimental evidence of (M1+E2) mixed character of the 9.2 keV transition in \(^{227}\)Th and its consequence for spin-interpretation of low-lying levels