Evidence for direct neutron decay of the isoscalar giant dipole resonances in Zr90, Sn116, and Pb208

M. Hunyadi, A. M. Van Den Berg, B. Davids, M. N. Harakeh, M. A. De Huu, H. J. Wörtche, M. Csatlós, J. Gulyás, A. Krasznahorkay, D. Sohler, U. Garg, M. Fujiwara, N. Blasi

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Abstract

The direct and statistical neutron decay of the isoscalar giant dipole resonance was studied in Zr90, Sn116, and Pb208 using the (α,α'n) reaction at a bombarding energy of 200 MeV. The spectra of fast decay neutrons populating valence hole-states of the Z,N-1 nuclei were analyzed, and estimates for the branching ratios were determined. The results were compared to recent continuum random-phase approximation calculations.

Original languageEnglish
Article number014606
JournalPhysical Review C - Nuclear Physics
Volume75
Issue number1
DOIs
Publication statusPublished - febr. 6 2007

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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