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SUMMARY:Speaker: Ben Smithers (UTA)- Title: A Multi-Channel Search for Signatures of eV-Scale Sterile Neutrinos in IceCube
DESCRIPTION:This is an In-Person [HYBRID] Event \nLOCATION: Sessler CR\, 50A-5132 \nDATE: June 16\, 2023 \nTIME: 12:00- 1:00 PM \nTITLE: A Multi-Channel Search for Signatures of eV-Scale Sterile Neutrinos in IceCube \nABSTRACT: The IceCube Neutrino Observatory is a cubic-kilometer-scale neutrino observatory built using a gigaton of instrumented ice near the Amundsen–Scott South Pole Station in Antarctica; it measures the Cherenkov light emitted by the daughter particles of neutrino-nucleon interactions occurring inside and around the detector from neutrinos of both astrophysical and atmospheric origin. For eV2-scale sterile neutrino models\, matter-effects can yield resonant $\bar{\nu}_{\mu}\to\bar{\nu}_{s}$ oscillations for TeV-scale up-going neutrinos. For certain combinations of mixing angles\, this is also expected to yield resonant $\bar{\nu}_{\mu}\to\bar{\nu}_{\tau}$ oscillations at the same energies and zeniths as the $\nu_{\mu}$ disappearance. This superimposed $\nu_{\mu}$ disappearance and $\nu_{\tau}$ appearance presents itself as an ideal signature with which we can search for indications of sterile neutrino oscillations. Here\, we discuss a multi-channel analysis searching for signs of both resonant muon neutrino disappearance as well as tau neutrino appearance. \nJoin Zoom  \nhttps://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09 \nMeeting ID: 950 1669 6011\nPasscode: 247722
URL:https://inpa.lbl.gov/event/speaker-ben-smithers-uta-title-a-multi-channel-search-for-signatures-of-ev-scale-sterile-neutrinos-in-icecube/
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