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Berlin 2005 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 22: Postersitzung

HK 22.21: Poster

Monday, March 7, 2005, 16:30–18:00, TU MA141

Towards 2n Transfer Reactions around the Island of Inversion — •W. Schwerdtfeger1, B. Bruyneel2, T. Faestermann3, R. Gernhäuser3, D. Habs1, T. Kröll3, R. Krücken3, M. Lauer4, R. Lutter1, H.J. Maier1, T. Morgan1, M. Münch3, O. Niedermaier4, P. Reiter2, O. Schaile1, H. Scheit4, P. Thirolf1, W. von Oertzen5, N. Warr2, and H. Wolter11Sektion Physik, Ludwig Maximilians Universität München — 2Institut für Kernphysik, Köln — 3E12, Technische Universität München — 4Max Planck Institut, Heidelberg — 5Hahn Meitner Institut, Berlin

Transfer reactions enable to investigate the shape coexistence of e.g. super deformed and spherical 0+ states in Mg isotopes around the island of inversion at N ≈ 20, because the transfer to first order is shape conserving. Two neutron transfer reactions from a radioactive 10Be target provide a distinct trigger via the two α particles ejected from the intermediate 8Be reaction product. In order to estimate the cross section of the two neutron transfer 10Be(30Mg,32Mg)8Be, which is intended to be performed at REX-ISOLDE CERN, the preparatory reaction 9Be(26Mg,27Mg)8Be (Elab = 57 MeV) has been studied at the MINIBALL γ-spectrometer in Cologne. First results of this measurement will be presented together with coupled channel DWBA calculations using the code FRESCO[1] for the one neutron as well as for the two neutron transfer reaction.

[1] I.J. Thompson, Comp. Phys. Rep. 7 (1987) pp 167-212

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