Nuclear charge radii of neutron-deficient lead isotopes beyond N=104 midshell investigated by in-source laser spectroscopy

H. De Witte, A. N. Andreyev, N. Barré, M. Bender, T. E. Cocolios, S. Dean, D. Fedorov, V. N. Fedoseyev, L. M. Fraile, S. Franchoo, V. Hellemans, P. H. Heenen, K. Heyde, G. Huber, M. Huyse, H. Jeppessen, U. Köster, P. Kunz, S. R. Lesher, B. A. MarshI. Mukha, B. Roussière, J. Sauvage, M. Seliverstov, I. Stefanescu, E. Tengborn, K. Van De Vel, J. Van De Walle, P. Van Duppen, Yu Volkov

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The shape of exotic even-mass Pb182-190 isotopes was probed by measurement of optical isotope shifts providing mean square charge radii (δ r2). The experiment was carried out at the isolde (cern) on-line mass separator, using in-source laser spectroscopy. Small deviations from the spherical droplet model are observed, but when compared to model calculations, those are explained by high sensitivity of δ r2 to beyond mean-field correlations and small admixtures of intruder configurations in the ground state. The data support the predominantly spherical shape of the ground state of the proton-magic Z=82 lead isotopes near neutron midshell (N=104). © 2007 The American Physical Society.
    Original languageEnglish
    Article number112502
    JournalPhysical Review Letters
    Volume98
    Issue number11
    DOIs
    Publication statusPublished - 16 Mar 2007

    Fingerprint

    Dive into the research topics of 'Nuclear charge radii of neutron-deficient lead isotopes beyond N=104 midshell investigated by in-source laser spectroscopy'. Together they form a unique fingerprint.

    Cite this