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HK: Fachverband Hadronen und Kerne
HK 67: Poster Session
HK 67.36: Poster
Thursday, March 19, 2009, 14:00–16:00, Audi-Max
Photoresponse of 94Mo at energies up to 8.6 MeV* — •Christopher Romig1, M. Fritzsche1, K. Lindenberg1, N. Pietralla1, G. Rusev3, D. Savran1, K. Sonnabend1, A. P. Tonchev3, W. Tornow3, H. R. Weller3, and A. Zilges2 — 1Institut für Kernphysik, Technische Universität Darmstadt, Germany — 2Institut für Kernphysik, Universität zu Köln, Germany — 3Triangle Universities Nuclear Laboratory, Duke University, Durham, NC, USA
The isotope 94Mo was investigated in nuclear resonance fluorescence [1] experiments at the High Intensity Photon Setup (HIPS) at the S-DALINAC in Darmstadt using bremsstrahlung photons with energies of 7.65 and 8.6 MeV, respectively, and at the High Intensity γ-ray Source (HIγS) at Duke University using photons from Laser Compton backscattering. Thereby over 60 excitations were found which could be assigned to 94Mo due to the highly enriched sample. In the energy region between 5.4 and 8 MeV many transitions could be classified as dipole transitions and cross sections, angular momentum quantum numbers, half-lifes and transition strengths were determined. At HIγS the parity quantum numbers of 40 exitations between 5.5 and 7.0 MeV could be determined.
The methods and results will be presented.
* Supported by DFG (SFB 634)
U. Kneissl, N. Pietralla, A. Zilges, J. Phys. G: Nucl. Part. Phys. 32 (2006) R217