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Shell model yrast states in theN=79 nuclei141Sm and143Gd

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

In (α,5n) in-beam γ- and electron measurements we have established high-spin states in the 3-neutronhole nuclei141Sm and143Gd. Observed energy levels below 4 MeV are interpreted in terms of shell model configurations where the odd h11/2 neutron hole couples to the N=80 core excitations containing one h11/2 proton particle or one h11/2 neutron hole. Higher-lying yrast states are built on a 23/2− level at Rd 3.2 MeV probably involving the πh 2/21 guh 2/−111 configUTa-tion.

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Authors and Affiliations

  1. Institut für Kernphysik, Forschungszentrum Jülich, Postfach 1913, W-5170, Jülich, Germany

    M. Lach, P. Kleinheinz, A. Ercan, H. J. Hähn, D. Wahner, R. Julin, M. Zupancic, F. Cigoroglu (Summer visitor from Izmir University, Turkey) & G. de Angelis

  2. Manne Siegbahninstitutet för fysik, S-10405, Stockholm 50, Sweden

    J. Blomqvist & G. de Angelis

Authors
  1. M. Lach
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  2. P. Kleinheinz
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  3. J. Blomqvist
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  4. A. Ercan
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  5. H. J. Hähn
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  6. D. Wahner
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  7. R. Julin
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  8. M. Zupancic
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  9. F. Cigoroglu
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  10. G. de Angelis
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Additional information

On leave from INP Krakow, Poland

A.v. Humboldt fellow, on leave from University of Jyväskylä, Finland

On leave from B. Kidrich Institute, Vinca (Belgrade), Yugoslavia

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Lach, M., Kleinheinz, P., Blomqvist, J. et al. Shell model yrast states in theN=79 nuclei141Sm and143Gd. Z. Physik A - Hadrons and Nuclei 345, 427–428 (1993). https://doi.org/10.1007/BF01282905

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  • DOI: https://doi.org/10.1007/BF01282905

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