EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||6|
|Published online||28 May 2015|
Dipole strength distributions from HIGS Experiments
1 Institut für Kernphysik, TU Darmstadt, Schlossgartenstr. 9, 64289 Darmstadt, Germany
2 WNSL, Yale University, P.O. Box 208120, New Haven, CT 06520, USA
3 Department of Physics, University of Surrey, Guildford, GU2 7XH, UK
4 Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
5 Department of Physics & Astronomy, University of Kentucky, Lexington, KY 40506, USA
6 EMMI and Research Division, GSI, Planckstr. 1, 64291 Darmstadt, Germany
7 FIAS, Ruth-Moufang-Str. 1, 60438 Frankfurt am Main, Germany
8 Triangle Universities Nuclear Laboratory, Durham, NC 27708, USA
9 Physics Division, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
10 Department of Chemistry, University of Kentucky, Lexington, KY 40506, USA
11 School of Engineering, University of the West of Scotland, Paisley, PA1 2BE, UK
12 SUPA, Scottish Universities Physics Alliance, Glasgow, G12 8QQ, UK
a e-mail: email@example.com
Published online: 28 May 2015
A series of photon scattering experiments has been performed on the double-beta decay partners 76Ge and 76Se, in order to investigate their dipole response up to the neutron separation threshold. Gamma-ray beams from bremsstrahlung at the S-DALINAC and from Compton-backscattering at HIGS have been used to measure absolute cross sections and parities of dipole excited states, respectively. The HIGS data allows for indirect measurement of averaged branching ratios, which leads to significant corrections in the observed excitation cross sections. Results are compared to statistical calculations, to test photon strength functions and the Axel-Brink hypothesis
© Owned by the authors, published by EDP Sciences, 2015
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