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Nuclear charge radii of potassium isotopes beyond N = 28

MPS-Authors
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Kreim,  Kim Dieter
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Blaum,  Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

Neugart,  R.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Institut für Kernchemie, Universität Mainz;

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Yordanov,  Deyan T.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Physics Department, CERN;

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フルテキスト (公開)

1310.5171v1
(プレプリント), 748KB

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引用

Kreim, K. D., Bissell, M., Papuga, J., Blaum, K., De Rydt, M., Garcia Ruiz, R., Goriely, S., Heylen, H., Kowalska, M., Neugart, R., Neyens, G., Nörtershäuser, W., Rajabali, M., Sánchez Alarcón, R., Stroke, H., & Yordanov, D. T. (2014). Nuclear charge radii of potassium isotopes beyond N = 28. Physics Letters B, 731, 97-102. doi:10.1016/j.physletb.2014.02.012.


引用: https://hdl.handle.net/11858/00-001M-0000-0015-854F-F
要旨
We report on the measurement of optical isotope shifts for 38, 39, 42, 44, 46–51K relative to 47K from which changes in the nuclear mean square charge radii across the N=28 shell closure are deduced. The investigation was carried out by bunched-beam collinear laser spectroscopy at the CERN-ISOLDE radioactive ion-beam facility. Mean square charge radii are now known from 37K to 51K, covering all νf7/2-shell as well as all νp3/2-shell nuclei. These measurements, in conjunction with those of Ca, Cr, Mn and Fe, provide a first insight into the Z dependence of the evolution of nuclear size above the shell closure at N=28.