α-decay properties of Pb181

K. S. Toth, J. C. Batchelder, C. R. Bingham, L. F. Conticchio, W. B. Walters, C. N. Davids, D. J. Henderson, R. Herman, H. Penttilä, J. D. Richards, A. H. Wuosmaa, and B. E. Zimmerman
Phys. Rev. C 53, 2513 – Published 1 May 1996
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Abstract

The isotope Pb181 was produced in Mo92 bombardments of Zr90 and, together with other reaction products, was passed through a recoil mass separator and implanted in a double-sided silicon strip detector for α-particle assay. The half-life and energy of the main Pb181 α transition were determined to be 45 (20) ms and 7065 (20) keV, respectively. This Pb181 Eα agrees with one previously measured value [7044 (15) keV], but not with the one [7211 (10) keV] used as input to the 1993 Atomic Mass Evaluation. The 6180-keV α transition assigned to Tl181 by Bolshakov et al. was observed, but the 6566-keV α particles ascribed to a 2.7-ms level in Tl181 by Schneider were not. © 1996 The American Physical Society.

  • Received 11 December 1995

DOI:https://doi.org/10.1103/PhysRevC.53.2513

©1996 American Physical Society

Authors & Affiliations

K. S. Toth, J. C. Batchelder, C. R. Bingham, L. F. Conticchio, W. B. Walters, C. N. Davids, D. J. Henderson, R. Herman, H. Penttilä, J. D. Richards, A. H. Wuosmaa, and B. E. Zimmerman

  • Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 Louisiana State University, Baton Rouge, Louisiana 70803
  • University of Maryland, College Park, Maryland 20742 Argonne National Laboratory, Argonne, Illinois 60439

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Vol. 53, Iss. 5 — May 1996

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