München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 42: Structure and Dynamics of Nuclei VIII

HK 42.2: Vortrag

Mittwoch, 20. März 2019, 17:00–17:15, HS 14

Electric Dipole Response of Neutron Rich Tin Isotopes — Andrea Horvat¹, Thomas Aumann^1,2, •Philipp Schrock³, Konstanze Boretzky², Igor Gasparic⁴, Dominic Rossi¹, Fabia Schindler¹, and Lorenzo Zanetti¹ for the R3B collaboration — ¹TU Darmstadt, Germany — ²GSI Helmholtzzentrum, Darmstadt, Germany — ³CNS, The University of Tokyo — ⁴Ruder Boskovic Institute, Zagreb, Croatia

One of the most active pursuits in nuclear physics nowadays is to arrive at a better understanding of forces which bind the nucleus and govern the behavior of objects such as neutron stars, involving a great deal of theoretical and experimental effort. Accurate measurements of observables sensitive to isovector properties are needed in order to provide better constraints on nuclear interaction models in the isovector channel. For this purpose an experimental campaign investigating the electric dipole response via Coulomb excitation along the tin isotope chain (^124−134Sn) has been carried out at the R3B (Reactions with Relativistic Radioactive Beams) setup at GSI (Helmholtzzentrum für Schwerionenforschung). Coulomb excitation cross sections have been extracted in the 1, 2 and 3 neutron decay channels.

This work is supported by HIC for FAIR, GSI-TU Darmstadt cooperation, NAVI, CSF project SR-ETNo and the BMBF project 05P15RDFN1.