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Accessing the Single-Particle Structure of the Pygmy Dipole Resonance in
Spieker, M; Heusler, A; Brown, B A; Faestermann, T; Hertenberger, R; Potel, G; Scheck, M; Tsoneva, N; Weinert, M; Wirth, H-F; Zilges, A.
Afiliação
  • Spieker M; Department of Physics, Florida State University, Tallahassee, Florida 32306, USA.
  • Heusler A; Niebuhr-Str. 19c, Berlin D-10629, Germany.
  • Brown BA; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Faestermann T; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Hertenberger R; Physik Department, Technische Universität München, Garching D-85748, Germany.
  • Potel G; Fakultät für Physik, Ludwig-Maximilians-Universität München, Garching D-85748, Germany.
  • Scheck M; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Tsoneva N; School of Computing, Engineering, and Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, United Kingdom.
  • Weinert M; SUPA, Scottish Universities Physics Alliance, United Kingdom.
  • Wirth HF; Extreme Light Infrastructure (ELI-NP), Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), Bucharest-Magurele RO-077125, Romania.
  • Zilges A; Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, Köln D-50937, Germany.
Phys Rev Lett ; 125(10): 102503, 2020 Sep 04.
Article em En | MEDLINE | ID: mdl-32955313
New experimental data on the neutron single-particle character of the Pygmy Dipole Resonance (PDR) in ^{208}Pb are presented. They were obtained from (d,p) and resonant proton scattering experiments performed at the Q3D spectrograph of the Maier-Leibnitz Laboratory in Garching, Germany. The new data are compared to the large suite of complementary, experimental data available for ^{208}Pb and establish (d,p) as an additional, valuable, experimental probe to study the PDR and its collectivity. Besides the single-particle character of the states, different features of the strength distributions are discussed and compared to large-scale shell model (LSSM) and energy-density functional plus quasiparticle-phonon model theoretical approaches to elucidate the microscopic structure of the PDR in ^{208}Pb.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Estados Unidos