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HK: Physik der Hadronen und Kerne

HK 17: Nuclear Physics / Spectroscopy II

HK 17.6: Vortrag

Dienstag, 12. März 2002, 18:30–18:45, B

Cluster interpretation of the properties of the alternating parity bands in actinides — •T.M. Shneidman^1,2, G.G. Adamian^1,2,3, N.V. Antonenko^1,2, R.V. Jolos^1,2, and W. Scheid¹ — ¹Institut für Theoretische Physik der Justus-Liebig-Universität, D-35392 Giessen, Germany — ²Joint Institute for Nuclear Research, 141980 Dubna, Russia — ³Institute of Nucear Physics, Tashkent 702132, Uzbekistan

A cluster model interpretation is suggested for the properties of the alternating parity bands in Ra, Th and U isotopes, which includes a description of the parity splitting [1] and the Eλ (λ=1,2,3) transition probabilities. The mass asymmetry and relative distance coordinates are the most important variables of the model. The characteristics of the Hamiltonian used are determined in investigations of heavy ion reactions at low energies.

[1] T.M.Shneidman et al., Phys.Lett. B(2002), in press.