Rotational structures in 129Nd and signature splitting systematics of the νh11/2 bands in A130 nuclei

O. Zeidan, D. J. Hartley, L. L. Riedinger, M. Danchev, W. Reviol, W. D. Weintraub, Jing-ye Zhang, A. Galindo-Uribarri, C. J. Gross, S. D. Paul, C. Baktash, M. Lipoglavsek, D. C. Radford, C. H. Yu, D. G. Sarantites, M. Devlin, M. P. Carpenter, R. V. F. Janssens, D. Seweryniak, and E. Padilla
Phys. Rev. C 65, 024303 – Published 9 January 2002
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Abstract

High-spin states in 129Nd were populated in the reaction 92Mo(40Ca,2pn) with beam energies of 170 and 184 MeV in two separate experiments. Over 140 new transitions were placed in a level scheme that consists of four rotational structures, three of which have been observed for the first time. The bands were assigned configurations based on their B(M1)/B(E2) ratios (for the strongly coupled bands), aligned angular momentum, observed band crossings, and signature splitting. Evidence for of the observation of the deformation driving νi13/2[660]1/2 orbital is presented. Signature splitting trends in the νh11/2 bands of A130 nuclei are investigated within the framework of the cranked shell model. Comparisons are made with observations in the πh11/2 bands near A160.

  • Received 2 July 2001

DOI:https://doi.org/10.1103/PhysRevC.65.024303

©2002 American Physical Society

Authors & Affiliations

O. Zeidan, D. J. Hartley, L. L. Riedinger, M. Danchev*, W. Reviol, W. D. Weintraub, and Jing-ye Zhang

  • Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996

A. Galindo-Uribarri, C. J. Gross, S. D. Paul§, C. Baktash, M. Lipoglavsek, D. C. Radford, and C. H. Yu

  • Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

D. G. Sarantites and M. Devlin

  • Chemistry Department, Washington University, St. Louis, Missouri 63130

M. P. Carpenter, R. V. F. Janssens, and D. Seweryniak

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

E. Padilla

  • Instituto de Ciencias Nucleares, UNAM, 04510 Mexico, D.F., Mexico

  • *Permanent address: Faculty of Physics, St. Kliment Ohridsky University of Sofia, BG-1164, Sofia, Bulgaria.
  • Present address: Chemistry Department, Washington University, St. Louis, MO 63130.
  • Present address: Department of Physics, Florida State University, Tallahassee, FL 32306.
  • §Present address: Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400 005, India.
  • Present address: J. Stefan Institute, Ljubljana, Slovenia.
  • Present address: Los Alamos National Laboratory, Los Alamos, NM 87545.

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Vol. 65, Iss. 2 — February 2002

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