Resolution of nuclear ground and isomeric states by a Penning trap mass spectrometer

G. Bollen; H.-J. Kluge; M. König; T. Otto; G. Savard; H. Stolzenberg; R. B. Moore; G. Rouleau; G. Audi; ISOLDE Collaboration

doi:10.1103/PhysRevC.46.R2140

Rapid Communication

Resolution of nuclear ground and isomeric states by a Penning trap mass spectrometer

G. Bollen, H.-J. Kluge, M. König, T. Otto, G. Savard, H. Stolzenberg, R. B. Moore, G. Rouleau, G. Audi, and ISOLDE Collaboration

Phys. Rev. C 46, R2140(R) – Published 1 December 1992

Abstract

Ground and isomeric states of a nucleus have been resolved for the first time by mass spectrometry. Measurements on ${}^{78}{Rb}^{m,}$ g and ${}^{84}{Rb}^{m,}$ g were performed using a tandem Penning trap mass spectrometer on-line with the isotope separator ISOLDE/CERN. The effects of ion-ion interaction were investigated for two ion species differing in mass and stored simultaneously in the trap.

Received 21 April 1992

DOI:https://doi.org/10.1103/PhysRevC.46.R2140

Authors & Affiliations

G. Bollen, H.-J. Kluge, M. König, T. Otto, G. Savard, and H. Stolzenberg

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

R. B. Moore and G. Rouleau

Foster Radiation Laboratory, McGill University, Montreal, Province du Québec, Canada H3A 2B2

G. Audi

Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, Institut National de Physique Nucléaire et de Physique des Particules–Centre National de la Recherche Scientifique, Laboratoire René Bernas, Bâtiment 108, F-91405 Orsay, France

ISOLDE Collaboration

CERN, PPE-Division, CH-1211 Geneva, Switzerland

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Vol. 46, Iss. 6 — December 1992

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Physical Review C

covering nuclear physics