Darmstadt 2016 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 28: Structure and Dynamics of Nuclei VII
HK 28.6: Vortrag
Dienstag, 15. März 2016, 18:00–18:15, S1/01 A04
Nuclear reactions of neutron-rich Sn isotopes investigated at relativistic energies at R3B — •Fabia Schindler1, Thomas Aumann1, Konstanze Boretzky2, Philipp Schrock3, Andrea Horvat1, and Jacob Johansen4 for the R3B collaboration — 1TU Darmstadt — 2GSI Helmholtzzentrum — 3CNS, University of Tokyo — 4Aarhus University
Nuclei with a large neutron excess are expected to form a neutron-rich surface layer which is often referred to as the neutron skin. The investigation of this phenomenon is of great interest in nuclear-structure physics and offers a possibility to constrain the equation-of-state of neutron-rich matter.
Assuming a geometrical description of reaction processes as in the eikonal approximation, nuclear-induced reactions are a good tool to probe the neutron skin. Measured reaction cross sections can be used to constrain the density distributions of protons and neutrons in the nucleus and therefore the neutron-skin thickness.
For this purpose, reactions of neutron-rich tin isotopes in the A=124-134 mass range have been measured on a carbon target at the R3B-setup at GSI in inverse kinematics in a kinematically complete manner.
Preliminary results for the reaction cross sections of 124Sn will be presented.
This work is supported by HIC for FAIR, the GSI-TU Darmstadt cooperation, NAVI and the BMBF project 05P15RDFN1.