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Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 67: Nuclear Astrophysics VI

HK 67.1: Group Report

Friday, March 18, 2016, 14:00–14:30, S1/01 A02

Neutrino interactions with supernova matter — •Alexander Bartl1,2, Christian Drischler1,2, Kai Hebeler1,2, and Achim Schwenk2,11Institut für Kernphysik, Technische Universität Darmstadt — 2ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH

Neutrino pair bremsstrahlung and absorption (NNNNνν) as well as inelastic scattering of neutrinos (NNν↔ν NN) are of great relevance for the generation of and energy transport by neutrinos in core-collapse supernovae. In this talk, we will present improved interaction rates including the first calculation of neutrino rates in mixtures of protons and neutrons that includes chiral three-nucleon forces. We will also discuss the impact of these improved rates in supernova simulations.

This work was supported by the Studienstiftung des Deutschen Volkes, BMBF ARCHES and the ERC Grant No. 307986 STRONGINT.

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