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@ARTICLE{Avigo:237998,
      author       = {Avigo, R. and Wieland, O. and Bracco, A. and Camera, F. and
                      Ameil, F. and Arici, T. and Ataç, A. and Barrientos, D. and
                      Bazzacco, D. and Bednarczyk, P. and Benzoni, G. and
                      Birkenbach, B. and Blasi, N. and Boston, H. C. and Bottoni,
                      S. and Brambilla, S. and Bruyneel, B. and Ciemała, M. and
                      Clément, E. and Cortes, Martha Liliana and Crespi, F. C. L.
                      and Cullen, D. M. and Curien, D. and Didierjean, F. and
                      Domingo-Pardo, C. and Duchêne, G. and Eberth, J. and
                      Görgen, A. and Gadea, A. and Gerl, J. and Goel, N. and
                      Golubev, P. and González, V. and Górska, M. and Gottardo,
                      A. and Gregor, E. and Guastalla, Giulia and Habermann, T.
                      and Harkness-Brennan, L. J. and Jungclaus, A. and Kmiecik,
                      M. and Kojouharov, I. and Korten, W. and Kurz, N. and
                      Labiche, M. and Lalović, N. and Leoni, S. and Lettmann, M.
                      and Maj, A. and Menegazzo, R. and Mengoni, D. and Merchan,
                      Edana and Million, B. and Morales, A. I. and Napoli, D. R.
                      and Nociforo, C. and Nyberg, J. and Pietralla, N. and
                      Pietri, S. and Podolyák, Zs. and Ponomarev, V. Yu. and
                      Pullia, A. and Quintana, B. and Rainovski, G. and Ralet, D.
                      and Recchia, F. and Reese, M. and Regan, P. and Reiter, P.
                      and Riboldi, S. and Rudolph, D. and Salsac, M. D. and
                      Sanchis, E. and Sarmiento, L. G. and Schaffner, H. and
                      Simpson, J. and Stezowski, O. and Valiente-Dobón, J. J. and
                      Wollersheim, H. J.},
      title        = {{L}ow-lying electric dipole ${\gamma}$-continuum for the
                      unstable $^{62,64}{F}e$ nuclei: {S}trength evolution with
                      neutron number},
      journal      = {Physics letters / B},
      volume       = {811},
      issn         = {0370-2693},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {GSI-2021-00581},
      pages        = {135951},
      year         = {2020},
      note         = {This is an open access article under the CC BY license
                      (http://creativecommons.org/licenses/by/4.0/). Funded by
                      SCOAP3},
      abstract     = {The γ -ray emission from the nuclei $^{62,64}$Fe following
                      Coulomb excitation at bombarding energy of 400-440 AMeV was
                      measured with special focus on E 1 transitions in the energy
                      region 4-8 MeV. The unstable neutron-rich nuclei
                      $^{62,64}$Fe were produced at the FAIR-GSI laboratories and
                      selected with the FRS spectrometer. The γ decay was
                      detected with AGATA. From the measured γ -ray spectra the
                      summed E 1 strength is extracted and compared to microscopic
                      quasi-particle phonon model calculations. The trend of the E
                      1 strength with increasing neutron number is found to be
                      fairly well reproduced with calculations that assume a
                      rather complex structure of the 1$^−$ states (three-phonon
                      states) inducing a strong fragmentation of the E 1 nuclear
                      response below the neutron binding energy.},
      keywords     = {64 Fe (autogen) / 62 Fe (autogen) / Nuclear structure
                      (autogen) / Dipole excitation around neutron threshold
                      (autogen) / 64Fe (autogen) / 62Fe (autogen)},
      cin          = {KSP / SFS / DTL / EEL},
      ddc          = {530},
      cid          = {I:(DE-Ds200)KSP-20080822OR106 /
                      I:(DE-Ds200)SFS-20160901OR374 /
                      I:(DE-Ds200)DTL-20051214OR031 /
                      I:(DE-Ds200)EEL-20051214OR032},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / ENSAR -
                      European Nuclear Science and Applications Research (262010)},
      pid          = {G:(DE-HGF)POF4-612 / G:(EU-Grant)262010},
      experiment   = {EXP:(DE-Ds200)Altdaten-20200803},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000612225400080},
      doi          = {10.1016/j.physletb.2020.135951},
      url          = {https://repository.gsi.de/record/237998},
}