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    Theory Seminar (U. Toyama)

    The measurement of solar neutrinos through elastic neutrino-electron scattering with XENONnT experiment

    by Masatoshi Kobayashi (ISEE, Nagoya University)

    → Asia/Tokyo
    C104 (School of Science)

    C104

    School of Science
    Description

    The XENONnT experiment aims to investigate astroparticle physics using a dual-phase time projection chamber containing 5.9 tonnes of active liquid xenon, operated at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy. Although the primary goal of the experiment is the direct detection of dark matter, low-energy solar neutrino physics is also one of its important physics targets. Thanks to extensive efforts to achieve an extremely low radioactive background, together with dedicated calibrations and analysis techniques, the XENONnT detector is now sensitive to elastic neutrino-electron scattering induced by solar neutrinos at the keV scale, reaching the statistical significance of 5-sigma. In this talk, I will present an overview of the XENONnT experiment and the first measurement of low-energy solar neutrinos with XENONnT.