Nuclear Charge Radii of Sr78100 by Nonoptical Detection in Fast-Beam Laser Spectroscopy

R. E. Silverans, P. Lievens, L. Vermeeren, E. Arnold, W. Neu, R. Neugart, K. Wendt, F. Buchinger, E. B. Ramsay, and G. Ulm
Phys. Rev. Lett. 60, 2607 – Published 20 June 1988
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Abstract

We report the application of a new nonoptical detection scheme in laser spectroscopy on ion beams of on-line isotope separators. The method consists of ground-state depopulation by optical pumping in collinear laser-ion-beam interaction, state-selective neutralization, and charge-state-separated fast-atom counting. Strontium isotope-shift measurements are extended into the strongly deformed region of the neutron-rich isotopes up to Sr100. The radii are generally well described by the droplet model including empirical deformatins obtained from B(E2) values.

  • Received 22 January 1988

DOI:https://doi.org/10.1103/PhysRevLett.60.2607

©1988 American Physical Society

Authors & Affiliations

R. E. Silverans, P. Lievens, and L. Vermeeren

  • Instituut voor Kern- en Stralingsfysika, Leuven University, B-3030 Leuven, Belgium

E. Arnold, W. Neu, R. Neugart, and K. Wendt

  • Institut für Physik, Universität Mainz, D-6500 Mainz, Federal Republic of Germany

F. Buchinger and E. B. Ramsay

  • Foster Radiation Laboratory, McGill University, Montreal, Canada H3A2B2

G. Ulm

  • The ISOLDE Collaboration, CERN, CH-1211 Geneva, Switzerland

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Vol. 60, Iss. 25 — 20 June 1988

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