Elsevier

Nuclear Physics A

Volume 403, Issue 2, 18 July 1983, Pages 234-262
Nuclear Physics A

Spins, moments and charge radii of barium isotopes in the range 122–146Ba determined by collinear fast-beam laser spectroscopy

https://doi.org/10.1016/0375-9474(83)90226-9Get rights and content

Abstract

Hyperfine structures and isotope shifts of barium isotopes in the mass range 122–146 have been measured in the atomic transition 6s2 1S0→6s6p 1P1 (5536Å), utilizing collinear fast-beam laser spectroscopy at the ISOLDE facility at CERN. Nuclear spins, magnetic dipole and electric quadrupole moments, and the changes of mean square charge radii have been deduced. They are discussed within the framework of current nuclear models, revealing single-particle structure and nuclear-shape variations on both sides of the N = 82 neutron-shell closure.

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    This publication comprises parts of the thesis of A.C. Mueller.

    Present address: GANIL, Caen, France.

    ∗∗

    Present address: Foster Radiation Laboratory, McGill University, Montreal, Quebec, Canada.

    ∗∗∗

    Present address: CERN, Geneva, Switzerland.

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