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Köln 2004 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 10: Poster Session: Nuclear Structure/Spectroscopy

HK 10.15: Poster

Tuesday, March 9, 2004, 13:30–15:30, Foyer

Search for E2 Strength Below the Isoscalar Quadrupole Giant Resonance in 52Cr with Resonant Photon Scattering* — •O. Karg, J. Enders, P. von Neumann-Cosel, A. Richter, and S. Volz — Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany

Motivated by the unusually large exhaustion of the energy-weighted sum rule for isoscalar B(E2) strength below 10 MeV in 48Ca [1], we searched for E2 strength in another N = 28 nucleus, 52Cr. A nuclear resonance fluorescence experiment was performed at the S-DALINAC using a bremsstrahlung beam with an endpoint energy of 9.9 MeV. Experimental results and a comparison to shell-model and quasiparticle-phonon model calculations are presented.
[1] T. Hartmann et al., Phys. Rev. Lett. 85 (2000) 274; Phys. Rev C 65 (2002) 037303.
*Supported by DFG under contract SFB 634.

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