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Author Benouaret, N. ♦ Beller, J. ♦ Isaak, J. ♦ Kelley, J.H. ♦ Pai, H. ♦ Pietralla, N. ♦ Ponomarev, V.Yu. ♦ Raut, R. ♦ Romig, C. ♦ Rusev, G. ♦ Savran, D. ♦ Scheck, M. ♦ Schnorrenberger, L. ♦ Sonnabend, K. ♦ Tonchev, A.P. ♦ Tornow, W. ♦ Weller, H.R. ♦ Zweidinger, M.
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Copyright Year ©2015
Abstract We analysed our experimental recent findings of the dipole response of the odd-mass stable nucleus 205Tl within the quasi-particle phonon model. Using the phonon basis constructed for the neighbouring 204Hg and wave function configurations for 205Tl consisting of a mixture of quasiparticle ⊗ N-phonon configurations (N=0,1,2), only one group of fragmented dipole excited states has been reproduced at 5.5 MeV in comparison to the experimental distribution which shows a second group at about 5 MeV. The computed dipole transition strengths are mainly of E1 character which could be associated to the pygmy dipole resonance.
Learning Resource Type Article
Publisher Date 2015-01-01
Journal EPJ Web of Conferences
Issue Number 93