Coulomb fragmentation and Coulomb fission of relativistic heavy-ions and related nuclear structure aspects

  • T. Aumann
  • , K. Borbtzky
  • , J. Stroth
  • , E. Wajda
  • , Th Blaich
  • , J. Cub
  • , W. Dostal
  • , B. Eberlein
  • , Th W. Elze
  • , H. Emling
  • , A. Grünschloss
  • , W. Henning
  • , J. Holeczek
  • , R. Holzmann
  • , H. Klingler
  • , C. Kozhuharov
  • , R. Kulessa
  • , J. V. Kratz
  • , D. Lambrecht
  • , Y. Leifels
  • A. Leistenschneider, E. Lubkiewicz, T. Ohtsuki, P. Reiter, K. Stelzer, K. Sümmerer, A. Surowiec, W. Walus, M. Zinser, E. Zude

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The Coulomb excitation of 208Pb projectiles has been studied at an energy of 640 A MeV. Cross sections for the excitation of the two-phonon giant dipole resonance were measured for different targets, and show clear evidence for a two-step electromagnetic excitation mechanism. The experimental cross sections exceed those calculated in the harmonic oscillator approximation by a factor of 1.33 ± 0.16. The deduced 27-decay probability is consistent with the expectation in the harmonic limit. Finally, the excitation of the two-phonon giant dipole resonance in the deformed and fissile nucleus 238U is discussed.

Original languageEnglish
Pages (from-to)375-385
Number of pages11
JournalActa Physica Polonica B
Volume28
Issue number1-2
StatePublished - 1997
Externally publishedYes

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