Nuclear spins and magnetic moments of 71,73,75Cu: inversion of pi2p3/2 and pi1f5/2 levels in 75Cu

We report the first confirmation of the predicted inversion between the pi2p3/2 and pi1f5/2 nuclear states in the nu(g)9/2 midshell. This was achieved at the ISOLDE facility, by using a combination of in-source laser spectroscopy and collinear laser spectroscopy on the ground states of 71,73,75Cu, w...

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Published in:Physical review letters 2009-10, Vol.103 (14), p.142501-142501
Main Authors: Flanagan, K T, Vingerhoets, P, Avgoulea, M, Billowes, J, Bissell, M L, Blaum, K, Cheal, B, De Rydt, M, Fedosseev, V N, Forest, D H, Geppert, Ch, Köster, U, Kowalska, M, Krämer, J, Kratz, K L, Krieger, A, Mané, E, Marsh, B A, Materna, T, Mathieu, L, Molkanov, P L, Neugart, R, Neyens, G, Nörtershäuser, W, Seliverstov, M D, Serot, O, Schug, M, Sjoedin, M A, Stone, J R, Stone, N J, Stroke, H H, Tungate, G, Yordanov, D T, Volkov, Yu M
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Language:English
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Summary:We report the first confirmation of the predicted inversion between the pi2p3/2 and pi1f5/2 nuclear states in the nu(g)9/2 midshell. This was achieved at the ISOLDE facility, by using a combination of in-source laser spectroscopy and collinear laser spectroscopy on the ground states of 71,73,75Cu, which measured the nuclear spin and magnetic moments. The obtained values are mu(71Cu)=+2.2747(8)mu(N), mu(73Cu)=+1.7426(8)mu(N), and mu(75Cu)=+1.0062(13)mu(N) corresponding to spins I=3/2 for 71,73Cu and I=5/2 for 75Cu. The results are in fair agreement with large-scale shell-model calculations.
ISSN:1079-7114