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Decay of the neutron-rich isotope Ho171 and the identification of Dy169

R. M. Chasteler, J. M. Nitschke, R. B. Firestone, K. S. Vierinen, and P. A. Wilmarth
Phys. Rev. C 42, R1171(R) – Published 1 October 1990
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Abstract

Neutron-rich rare-earth isotopes were produced in multinucleon transfer reactions between Er170 ions and Wnat targets. On-line mass separation was used together with β- and γ-ray spectroscopy in these studies. At mass A=169, the heaviest known dysprosium isotope, 39(8) s,169Dy, was identified. It was observed to β decay to the ground state of Ho169 or through a level at 1578 keV. In the A=171 mass chain, a partial decay scheme for 55(3)-s Ho171 was determined.

  • Received 25 June 1990

DOI:https://doi.org/10.1103/PhysRevC.42.R1171

©1990 American Physical Society

Authors & Affiliations

R. M. Chasteler, J. M. Nitschke, R. B. Firestone, K. S. Vierinen, and P. A. Wilmarth

  • Lawrence Berkeley Laboratory, Berkeley, California 94720

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Vol. 42, Iss. 4 — October 1990

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