Study of 0+ excitations in Gd158 with the (n,n'γ) reaction

S. R. Lesher, J. N. Orce, Z. Ammar, C. D. Hannant, M. Merrick, N. Warr, T. B. Brown, N. Boukharouba, C. Fransen, M. Scheck, M. T. McEllistrem, S. W. Yates

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14 Scopus citations


We have examined Gd158 with the (n,n'γ) reaction at neutron energies up to 3.3 MeV to determine the collective character of 0+ excitations revealed in previous Gd160(p, t) reaction studies. Moderately large B(E2;0+→21+) values are observed for transitions from some of the 0+ states lying above the pairing gap. From its excitation energy and decay properties, the 0+ excitation at 2276.7 keV is suggested as exhibiting two-phonon γγ strength. The high density of levels at similar excitation energies makes the identification of the other two-phonon states improbable.

Original languageEnglish
Article number034318
JournalPhysical Review C - Nuclear Physics
Issue number3
StatePublished - Sep 19 2007

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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