Bochum 2018 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 26: Astroparticle Physics I

HK 26.2: Group Report

Tuesday, February 27, 2018, 17:00–17:30, HZO 100

Everything you want to know about new Borexino results — •Zara Bagdasarian for the Borexino collaboration — IKP-2 Forschungszentrum Jülich

Borexino is located at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy with the primary goal of detecting solar neutrinos, particularly those below 2 MeV, with unprecedentedly high sensitivity. The ultra-low radioactive background, Borexino's technical distinctive feature, is the basis of the outstanding achievements obtained so far. During Phase I (2007-2010), Borexino first detected and then precisely measured the flux of the Be7 solar neutrinos, ruled out any significant day-night asymmetry of their interaction rate, made the first direct observation of the pep neutrinos, and set the best available upper limit on the flux of solar neutrinos produced in the CNO cycle (carbon, nitrogen, oxygen). This talk will cover the most recent and precise solar neutrino measurements, along with a limit on neutrino magnetic moment and search for correlations with gravitational waves and gamma-ray bursts.