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DTSTART;TZID=America/Los_Angeles:20240426T120000
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UID:1730-1714132800-1714136400@inpa.lbl.gov
SUMMARY:Speaker: Johann Martyn (Mainz University) Title: "Using Cherenkov light to measure solar neutrinos in liquid scintillator detectors "
DESCRIPTION:INPA SEMINAR TALK \nDate: Friday\, April 26\, 2024 \nTime: 12:00 PM – 1:00 PM \nLocation: Sessler Conference Room–50A-5132 [Hybrid and In-Person] \nSpeaker: Johann Martyn (Mainz University) [Remote talk] \nTitle: Using Cherenkov light to measure solar neutrinos in liquid scintillator detectors\n \nAbstract: At present\, solar neutrinos are observed either with liquid scintillator detectors or with water Cherenkov detectors. Liquid scintillator detection in particular is the only technique that allows precision spectroscopy of sub-MeV solar neutrinos\, which is made possible by the high light-yield of the scintillation\, allowing for a low energy threshold of ∼0.2 MeV. In contrast\, water Cherenkov detectors are only able to measure solar neutrinos above a few MeV with high precision. They reconstruct the event direction via the corresponding Cherenkov photon hits\, to differentiate between the solar neutrino signal and the background events. A hybrid event detection approach\, combining both the directional Cherenkov information and the high light-yield and low energy threshold of the scintillation spectroscopy enables an unprecedented precision for the measurement of solar neutrinos and potentially other physics goals. This talk describes the first measurement of solar neutrinos in a liquid scintillator detector through their directional Cherenkov photons\, using Borexino\, a 280 ton\, high light-yield liquid scintillator detector at the Gran Sasso National Laboratory in Italy. \nJoin Zoom \nhttps://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09 \nMeeting ID: 950 1669 6011
URL:https://inpa.lbl.gov/event/speaker-johann-martyn-mainz-university-title-recent-directionality-results-for-solar-neutrinos-detected-in-pure-ls-detectors-borexino/
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