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Bochum 2009 – scientific programme

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HK: Fachverband Hadronen und Kerne

HK 26: Nuclear Structure and Dynamics I

HK 26.5: Talk

Tuesday, March 17, 2009, 15:30–15:45, H-ZO 40

Two–neutrino double beta decay of deformed nuclei within QRPA with realistic interactionMohamed Saleh Yousef, •Vadim Rodin, Amand Faessler und Fedor Šimkovic — Institut für Theoretische Physik der Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen, Deutschland

A method to implement a realistic nucleon-nucleon residual interaction based on the Brückner G-matrix (for the Bonn CD force) into the Quasiparticle Random Phase Approximation for deformed nuclei is formulated in Ref. [1]. The two-neutrino double beta decay for ground state to ground state transitions 76Ge → 76Se and 150Nd → 150Sm is calculated along with the Gamow-Teller strength distributions. The effect of deformation on the observables is studied in detail.

[1] M. Saleh Yousef, V. Rodin, A. Faessler, F.Šimkovic, arXiv:0806.0964

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