Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 101: Neutrino physics without accelerators VII

T 101.2: Talk

Friday, April 3, 2020, 11:15–11:30, H-ÜR 1

CONUS - COherent Neutrino nucleUs Scattering with reactor neutrinos — •Thomas Hugle for the CONUS collaboration — Max-Planck-Institut für Kernphysik

The measurement of coherent elastic neutrino nucleus scattering (CEνNS) by the COHERENT collaboration served as a first step into this kind of new measurements of the standard model neutrino sector. However, accessing the fully coherent regime at low neutrino energies provided by, e.g., nuclear power plants, is still a challenge due to the strong requirements in terms of a low detection threshold and a reduction of backgrounds. The CONUS experiment at the powerful commercial nuclear power plant in Brokdorf, Germany, with a distance of 17.1 m to the reactor core, employs the latest generation of ultra-low threshold and high-purity Germanium detectors with noise thresholds around 300 eV as well as an advanced shield design to tackle those challenges. Data collection started in April 2018 and is ongoing, while a first rate-only analysis has been done and further analyses are currently studied. The talk will give an overview of the CONUS experiment together with the latest results and developments, like an investigation of reactor-correlated backgrounds.