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SUMMARY:VIRTUAL INPA SEMINAR – Zara Bagdasarian (UC Berkeley)
DESCRIPTION:Speaker: Zara Bagdasarian (UC Berkeley)\n\n\n\nTitle: Borexino. Sun. Earth. Neutrinos\n\n\nAbstract: \nBorexino experiment is a 280-ton liquid scintillator detector located at a 3800 m w.e. depth in the Laboratori Nazionali del Gran Sasso (Italy). In more than 12 years of data taking\, Borexino has demonstrated how its unprecedented radio-purity led to exploring a wide range of neutrino physics questions in previously poorly explored low energy range.\n\n\n\n\n\n\n\n\n\n\n\n\nIn 2018-2020\, Borexino published a comprehensive study of pp-chain solar neutrinos\, which sets new milestones in the solar neutrino measurement precision. These neutrinos are the products of the pp-chain of nuclear fusion reactions generating more than 99% of the Sun’s energy. We use the gathered data as a two-fold tool to explore both neutrino and solar physics questions.\n\n\n\n\n\n\n\n\nMoreover\, Borexino is one of only two detectors in the world who have measured geoneutrinos. The results\, published in 2020\, feature increased statistics and the new elaborate analysis. With this update\, we have now been able to access 53 geoneutrino events – almost twice as many as in the result published by the collaboration in 2015. The geological interpretations of this measurement will also be discussed in the talk.\n\n\n\n\n\nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/812787340\n\nMeeting ID: 812 787 340
URL:https://inpa.lbl.gov/event/virtual-inpa-seminar-zara-bagdasarian-uc-berkeley/
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