Heidelberg 2015 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Structure and Dynamics of Nuclei 9

HK 45.3: Talk

Wednesday, March 25, 2015, 15:30–15:45, T/HS2

dipole response of ¹⁵⁶Gd below 7.1 MeV — •Esra Aciksoz^1,2, Tobias Beck³, Jacob Beller³, Udo Gayer³, Laura Mertes³, Haridas Pai³, Norbert Pietralla³, Philipp Ries³, christopher Roming³, Volker Werner³, and Markus Zweidinger³ — ¹Akdeniz University, Department of Physics, 07058 Antalya, Turkey — ²Nuclear Science Application and Research Center, Akdeniz University, 07058 Antalya, Turkey — ³Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt

The J^π = 1⁺ scissor mode was first observed in ¹⁵⁶Gd in high-resolution electron scattering experiments in 1984 and shortly after confirmed in Nuclear Resonance Fluorescence (NRF) experiments. An experiment was performed at the superconducting Darmstadt linear electron accelerator (S-DALINAC) using the NRF technique to study dipole-excitations of ¹⁵⁶Gd up to ∼ 7 MeV. A monoenergetic electron beam of 7.1 Mev was used for the production of bremsstrahlung which allows for the investigation of dipole excitations of ¹⁵⁶Gd in the sensitive energy range from ∼ 3−7 MeV. First results of the¹⁵⁶Gd (γ, γ^′) experiment will be presented and discussed.

*Supported by the TUBİTAK−BİDEB 2214/A Program and DFG under contract No. SFB 634