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HK: Fachverband Hadronen und Kerne
HK 82: Nuclear Structure and Dynamics I
HK 82.4: Vortrag
Freitag, 20. März 2009, 12:00–12:15, H-ZO 40
Investigation of the Pygmy Dipole Resonance in 60Ni* — •Matthias Fritzsche1, Norbert Pietralla1, Christopher Romig1, Gencho Rusev2, Deniz Savran1, Kerstin Sonnabend1, Anton P. Tonchev2, Werner Tornow2, Henry R. Weller2, and Andreas Zilges3 — 1Institut für Kernphysik, Technische Universität Darmstadt, Germany — 2Triangle Universities Nuclear Laboratory, Duke University, Durham, NC, USA — 3Institut für Kernphysik, Universität zu Köln, Germany
At the High Intensity Photon Setup (HIPS) at S-DALINAC in Darmstadt 60Ni was investigated with unpolarized bremsstrahlung with energies up to 8.0 MeV and 9.9 MeV, respectively.
Determination of spin and parity quantum numbers and absolute transition strengths was possible, using HPGe detectors placed under different angles.
To assign also parity quantum numbers, the polarized photon beam of the High Intensity Gamma Source (HIγS) at Duke University was used. With the combined results, evidence of the Pygmy Dipole Resonance in 60Ni was found.
*Supported by DFG (SFB 634)