Precise Atomic Mass Values near S132n: The Resolution of a Puzzle

B. Fogelberg, K. A. Mezilev, H. Mach, V. I. Isakov, and J. Slivova
Phys. Rev. Lett. 82, 1823 – Published 1 March 1999
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Abstract

The total β decay energies of 14 nuclides in the vicinity of 132Sn have been measured using high resolution spectroscopic methods. The present results derived for the atomic masses in this region are significantly more precise than the previously accepted values, and differ significantly from these in some cases. The precision of the new mass values surpasses that expected from the systems currently proposed for direct mass measurements of nuclei far from stability. The present results resolve a recently observed and highly puzzling discrepancy between the experimental mass values in the 132Sn region and theoretical systematics.

  • Received 29 October 1998

DOI:https://doi.org/10.1103/PhysRevLett.82.1823

©1999 American Physical Society

Authors & Affiliations

B. Fogelberg1, K. A. Mezilev2, H. Mach1, V. I. Isakov2, and J. Slivova1,3,*

  • 1Department of Neutron Research, Uppsala University, S-61182 Nyköping, Sweden
  • 2St. Petersburg Nuclear Physics Institute, 188350 Gatchina, Russia
  • 3Faculty of Mathematics and Physics, Charles University, V Holesovičkach 2, 18000 Prague 8, Czech Republic

  • *Present address: MPI für Kernphysik, Saupfercheckweg 1, D-69117, Heidelberg, Germany.

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Issue

Vol. 82, Iss. 9 — 1 March 1999

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