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Evidence for the dipole nature of the low-energy γ enhancement in 56Fe.
Larsen, A C; Blasi, N; Bracco, A; Camera, F; Eriksen, T K; Görgen, A; Guttormsen, M; Hagen, T W; Leoni, S; Million, B; Nyhus, H T; Renstrøm, T; Rose, S J; Ruud, I E; Siem, S; Tornyi, T; Tveten, G M; Voinov, A V; Wiedeking, M.
Afiliação
  • Larsen AC; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Blasi N; INFN, Sezione di Milano, I-20133 Milano, Italy.
  • Bracco A; INFN, Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, University of Milano, I-20122 Milano, Italy.
  • Camera F; INFN, Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, University of Milano, I-20122 Milano, Italy.
  • Eriksen TK; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Görgen A; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Guttormsen M; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Hagen TW; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Leoni S; INFN, Sezione di Milano, I-20133 Milano, Italy and Dipartimento di Fisica, University of Milano, I-20122 Milano, Italy.
  • Million B; INFN, Sezione di Milano, I-20133 Milano, Italy.
  • Nyhus HT; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Renstrøm T; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Rose SJ; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Ruud IE; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Siem S; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Tornyi T; Department of Physics, University of Oslo, N-0316 Oslo, Norway and Institute of Nuclear Research, MTA ATOMKI, H-4026 Debrecen, Hungary.
  • Tveten GM; Department of Physics, University of Oslo, N-0316 Oslo, Norway.
  • Voinov AV; Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA.
  • Wiedeking M; iThemba LABS, Post Office Box 722, 7129 Somerset West, South Africa.
Phys Rev Lett ; 111(24): 242504, 2013 Dec 13.
Article em En | MEDLINE | ID: mdl-24483649
ABSTRACT
The γ-ray strength function of 56Fe has been measured from proton-γ coincidences for excitation energies up to ≈11 MeV. The low-energy enhancement in the γ-ray strength function, which was first discovered in the (3He,αγ)56Fe reaction, is confirmed with the (p,p'γ)56Fe experiment reported here. Angular distributions of the γ rays give for the first time evidence that the enhancement is dominated by dipole transitions.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2013 Tipo de documento: Article
Buscar no Google
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2013 Tipo de documento: Article