Photoneutron cross sections for unstable neutron-rich oxygen isotopes

A. Leistenschneider, T. Aumann, K. Boretzky, D. Cortina, J. Cub, U. Datta Pramanik, W. Dostal, T. Elze, H. Emling, H. Geissel, A. Grünschloß, M. Hellstr, R. Holzmann, S. Ilievski, N. Iwasa, M. Kaspar, A. Kleinböhl, J. V. Kratz, R. Kulessa, Y. LeifelsE. Lubkiewicz, G. Münzenberg, P. Reiter, M. Rejmund, C. Scheidenberger, C. Schlegel, H. Simon, J. Stroth, K. Sümmerer, E. Wajda, W. Walús, S. Wan

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Abstract

The evolution of giant dipole strength with neutron excess for the neutron-rich oxygen isotopes from A=17 to A=22 was measured systematically. It was found through all neutron-rich oxygen isotopes investigated that the dipole strength appears to be strongly fragmented within considerable fraction observed well below the giant dipole resonance, much in contrast to the dipole response of stable nuclei.

Original languageEnglish
Pages (from-to)5442-5445
Number of pages4
JournalPhysical Review Letters
Volume86
Issue number24
DOIs
Publication statusPublished - 2001 Jun 11
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Leistenschneider, A., Aumann, T., Boretzky, K., Cortina, D., Cub, J., Pramanik, U. D., Dostal, W., Elze, T., Emling, H., Geissel, H., Grünschloß, A., Hellstr, M., Holzmann, R., Ilievski, S., Iwasa, N., Kaspar, M., Kleinböhl, A., Kratz, J. V., Kulessa, R., ... Wan, S. (2001). Photoneutron cross sections for unstable neutron-rich oxygen isotopes. Physical Review Letters, 86(24), 5442-5445. https://doi.org/10.1103/PhysRevLett.86.5442