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T: Fachverband Teilchenphysik

T 69: Neutrino physics without accelerators VI

T 69.3: Vortrag

Mittwoch, 17. März 2021, 16:35–16:50, Ts

The CONUS experiment - SM and BSM opportunities with recent and future data — •Thomas Rink for the CONUS collaboration — Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Deutschland

The discovery of coherent elastic neutrino nucleus scattering (CEνNS) by the COHERENT experiment in 2017 set the stage for new opportunities within and beyond the Standard Model’s neutrino sector. In 2020, the CONUS experiment located at the nuclear power plant in Brokdorf (Germany) was able to set the world’s best limit in the challenging fully coherent regime at reactor site. In particular, the application of ultra-low threshold, high-purity Germanium detectors within a sophisticated shielding design in close vicinity to a nuclear reactor core describes the next milestone towards high-statistic neutrino physics. Moreover, the acquired and future CONUS data sets allow further investigations of yet undetected neutrino channels and properties such as neutrino magnetic moments and non-standard neutrino-quark interactions. Sensitivities to the Weinberg angle at MeV-scale and the reactor’s antineutrino spectrum persist as well. Measurements at reactor site not only complement CEνNS investigations with neutrino beams, but might also affect other branches like dark matter or supernova physics. This talk gives an overview of the rich CEνNS phenomenology that can be addressed with recent and future experiments while highlighting the unique possibilities of the CONUS concept at nuclear power plants.