Electric and magnetic dipole strength in 66Zn

Schwengner, R. and Massarczyk, R. and Scheck, M. and Tornow, W. and Battaglia, G. and Beck, T. and Bemmerer, D. and Benouaret, N. and Beyer, R. and Butterling, M. and Fiedler, F. and Finch, S. W. and Fransen, C. and Friman-Gayer, U. and Frotscher, A. and Gonzalez, R. and Grieger, M. and Hartmann, A. and Hensel, T. and Hoemann, E. and Hoffmann, H. and Janssens, R. V.F. and Johnson, S. and Jones, M. D. and Junghans, A. R. and Kelly, N. and Kleemann, J. and Krishichayan and Little, D. R. and Ludwig, F. and Müller, S. E. and O'Donnell, D. and Papst, O. and Pirovano, E. and Sinclair, J. and Takács, M. P. and Turkat, S. and Urlaß, S. and Wagner, A. and Werner, V. and Wieland, O. and Wilhelmy, J. (2021) Electric and magnetic dipole strength in 66Zn. Physical Review C, 103 (2). 024312. ISSN 2469-9993 (https://doi.org/10.1103/PhysRevC.103.024312)

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Abstract

The dipole strength of the nuclide 66Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HIγS facility. A total of 128 J=1 states were identified, among them 9 with 1+ and 86 with 1- assignments. The quasicontinuum of unresolved transitions was included in the analysis of the spectra and the intensities of branching transitions were estimated on the basis of simulations of statistical γ-ray cascades. As a result, the photoabsorption cross section up to the neutron-separation energy was determined and compared with predictions of the statistical reaction model. The experimental M1 strengths from resolved 1+ states are compared with results of large-scale shell-model calculations.

  • Item type:Article
    ID code:75811
    Dates:
    Date
    Event
    11 February 2021
    Published
    1 February 2021
    Accepted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:17 Mar 2021 02:27
    Last modified:11 Apr 2024 02:08
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/75811
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