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In-beam spectroscopy study of the proton emitter 151Lu

C.-H. Yu, J. C. Batchelder, C. R. Bingham, R. Grzywacz, K. Rykaczewski, K. S. Toth, Y. Akovali, C. Baktash, A. Galindo-Uribarri, T. N. Ginter, C. J. Gross, M. Karny, S. H. Kim, B. D. MacDonald, S. D. Paul, D. C. Radford, J. Szerypo, and W. Weintraub
Phys. Rev. C 58, R3042(R) – Published 1 December 1998
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Abstract

Gamma rays decaying from the excited states of the proton-unbound 151Lu were observed for the first time in an experiment using the 96Ru(58Ni,p2n)151Lu reaction. These γ rays were identified by correlating prompt γ radiations at the target position with 151Lu proton radioactivities at the focal plane of a recoil mass separator. Systematic data on N=80 isotones suggest a possible isomeric level at high spin in 151Lu. Our measurement was unable to observe such an isomer, but provided an upper limit on its half-life. The observed γ rays in 151Lu can be interpreted in terms of two possible level structures.

  • Received 23 September 1998

DOI:https://doi.org/10.1103/PhysRevC.58.R3042

©1998 American Physical Society

Authors & Affiliations

C.-H. Yu1, J. C. Batchelder2, C. R. Bingham3, R. Grzywacz3,5, K. Rykaczewski1,5, K. S. Toth1, Y. Akovali1, C. Baktash1, A. Galindo-Uribarri1, T. N. Ginter4, C. J. Gross1,2, M. Karny5, S. H. Kim3, B. D. MacDonald6, S. D. Paul1, D. C. Radford1, J. Szerypo7, and W. Weintraub3

  • 1Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
  • 2Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee 37831
  • 3Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996
  • 4Department of Physics, Vanderbilt University, Nashville, Tennessee 37235
  • 5Institute of Experimental Physics, Warsaw University, Warsaw, Hoza 69, Poland
  • 6School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332
  • 7Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37831

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Issue

Vol. 58, Iss. 6 — December 1998

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