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The low-energy isoscalar dipole resonance in spherical nuclei

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

It is shown that localization of the low-energy isoscalar 1− strength observed in a recent Groningen experiment may be caused by incompressible flow vibrations with considerable contribution of a solenoidal component. Calculations performed here without free parameters predict the energy of the isoscalar low-energy dipole resonance of the order of 40A −1/3,Me V. This estimate agrees well with data obtained on 90Zrand 208Pb.

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Authors and Affiliations

  1. Dipartimento di Fisica and Istituto Nazionale di Fisica Nucleare, Sezione di Catania, 57 Corso Italia, I-95129, Catania, Italy

    S. I. Bastrukov, A. Bonasera & M. Di Toro

  2. Department of Theoretical and Nuclear Physics, Saratov State University, SU-410071, Saratov, USSR

    S. I. Bastrukov

  3. Laboratory of Theoretical Physics, JINR, SU-141980, Dubna, USSR

    A. V. Sushkov

Authors
  1. S. I. Bastrukov
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  2. A. Bonasera
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  3. M. Di Toro
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  4. A. V. Sushkov
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Bastrukov, S.I., Bonasera, A., Di Toro, M. et al. The low-energy isoscalar dipole resonance in spherical nuclei. Z. Physik A - Hadrons and Nuclei 338, 455–456 (1991). https://doi.org/10.1007/BF01295774

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  • DOI: https://doi.org/10.1007/BF01295774

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