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Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 32: Struktur und Dynamik von Kernen

HK 32.2: Talk

Tuesday, March 5, 2013, 14:30–14:45, HSZ-401

Three-nucleon forces at neutron-rich extremesJason D. Holt1,2, Javier Menéndez1,2, Achim Schwenk2,1, and •Johannes Simonis1,21Institut für Kernphysik, Technische Universität Darmstadt, Germany — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany

In the framework of chiral effective field theory, a systematic expansion for nuclear forces, it is possible to obtain valence shell interactions for nuclear structure calculations. In this approach three-nucleon forces are included naturally, contributing to effective single-particle energies as well as two-body matrix elements. We will apply this to the O and Ca chain. In addition, we investigate contributions from residual three-nucleon forces, which are expected to become more important with valence nucleons, so for the most neutron-rich isotopes. The theoretical findings are compared to recent experiments at CERN, GSI and TRIUMF.

This work was supported by the DFG through Grant SFB 634, by the BMBF under Contract No. 06DA70471, and by the Helmholtz Alliance HA216/EMMI.

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