Skip to main content
Log in

The giant dipole resonance photons and the shapes of hot Er and Sn nuclei

  • Papers Presented Orally
  • Published:
Zeitschrift für Physik A Hadrons and Nuclei

Abstract

A study of the spectral and angular distributions of the high energyγ rays emitted by the giant dipole resonance (GDR) in the compound nuclei165,167Er and110Sn at a variety of excitation energiesE *=50–90 MeV) is presented. A comparison of the data with model predictions at the equilibrium deformation and with thermal fluctuations in the adiabatic limit is discussed. In general, the adiabatic calculations give a fair account of the data exception made for Sn at very high spins.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Gaardhøje, J.J., Ellegaard, C., Herskind, B., Diamond, R.M., Delaplanque, M.A., Dines, G., Macchiavelli, A.O., Stephens, F.S.: Phys. Rev. Lett.56, 1783 (1986)

    Google Scholar 

  2. Kicinska-Habior, M., Snover, K., Behr, J.A., Gosset, C.A., Gundlach, J.H., Feldman, G.: Phys. Rev. C45, 569 (1992)

    Google Scholar 

  3. Thirolf, M., Habs, D., Schwalm, D., Fischer, R.D., Metag, V.: Nucl. Phys. A482, 93c (1988)

    Google Scholar 

  4. Stolk, A., Balanda, A., Harakeh, M.N., Hesselink, W.H.A., Penninga, J., Rijneveld, H.: Nucl. Phys. A505, 241 (1989)

    Google Scholar 

  5. Bruce, A.M., Gaardløje, J.J., Herskind, B., Chapman, R., Lisle, J.C., Khazaie, F., Mo, J.N., Twin, P.J.: Phys. Lett. B215, 237 (1988)

    Google Scholar 

  6. Chakrabarty, D.R., Sen, S., Thoenessen, M., Alamanos, N., Paul, P., Schicker, R., Stachel, J., Gaardhøje, J.J.: Phys. Rev. C36, 1886 (1987)

    Google Scholar 

  7. Ormand, E.W., Bortignon, P.F., Broglia, R.A., Dossing, T., Lauritzen, B.: Phys. Rev. Lett.64, 2254 (1990)

    Google Scholar 

  8. Ormand, E.W., Camera, F., Bracco, A., Maj, A., Million, B., Bortignon, P.F., Broglia, R.A.: Phys. Rev. Lett.69, 2905 (1992)

    Google Scholar 

  9. Alhassid, Y., Bush, B.: Phys. Rev. Lett.65, 2527 (1990)

    Google Scholar 

  10. Alhassid, Y., Bush, B.: Nucl. Phys. A514, 434 (1990)

    Google Scholar 

  11. Maj, A., Gaardhøje, J.J., Atac, A., Mitarai, S., Nyberg, J., Virtanen, A., Bracco, A., Camera, V., Million, B., Pignanelli, M.: Nucl. Phys. A571, 185 (1994)

    Google Scholar 

  12. Camera, F.: Ph. D. Thesis, University of Milano 1992

  13. Bortignon, P.F., Broglia, R.A., Bertsch, G., Pacheco, G.: Nucl. Phys. A460, 149 (1986)

    Google Scholar 

  14. Bracco, A., Camera, F., Million, B., Pignanelli, M., Maj, A., Gaardhøje, J.J.: Nucl. Phys. A557, 237c (1993)

    Google Scholar 

  15. Gaardhøje, J.J., Ellegaard, C., Herskind, B., Steadman, S.G.: Phys. Rev. Lett.53, 148 (1984)

    Google Scholar 

  16. Gosset, C.A., Snover, K.A., Behr, J.A., Feldman, J., Osborne, J.L.: Phys. Rev. Lett.54, 1496 (1985)

    Google Scholar 

  17. Danos, M.: Nucl. Phys.5, 23 (1958)

    Google Scholar 

  18. Bracco, A., Gaardhøje, J.J., Bruce, A.M., Garret, J.D., Herskind, B., Pignanelli, M., Barneoud, D., Nifenecker, H., Pinston, J.A., Ristori, C., Schussler, F., Bacelar, J., Hofmann, H.: Phys. Rev. Lett.62, 2080 (1989)

    Google Scholar 

  19. Puhlhofer, F.: Nucl. Phys. A280, 267 (1977)

    Google Scholar 

  20. Bracco, A., Camera, F., Mattiuzzi, M., Million, B., Pignanelli, M., Volpe, C., Gaardhøje, J.J., Maj, A., Zelazny, Z., Tveter, T.: Proceeding of the Second European Workshop in Nuclear Physics, Megeve 1993 (in press)

  21. Camera, F., Bracco, A., Million, B., Pignanelli, M., Maj, A., Gaardhøje, J.J.: Phys. Lett.293B, 18 (1992)

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

We like to thank our collaborators for their very productive activity: J.J. Gaardhøje (NBI), A. Maj (Kracow), B. Million (Milano), M. Mattiuzzi (Milano), M. Pignanelli (Milano), C. Volpe (Milano), Z. Zelazny (NBI), and T. Tveter (NBI).

Rights and permissions

Reprints and permissions

About this article

Cite this article

Bracco, A., Camera, F. The giant dipole resonance photons and the shapes of hot Er and Sn nuclei. Z. Physik A - Hadrons and Nuclei 349, 213–218 (1994). https://doi.org/10.1007/BF01288961

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01288961

PACS

Navigation