First Search for Unstable Sterile Neutrinos with the IceCube Neutrino Observatory

R. Abbasi, M. Ackermann, J. Adams +380

We present a search for an unstable sterile neutrino by looking for a matter-induced signal in eight years of atmospheric ${\nu }_{\mu }$ data collected from 2011 to 2019 at the IceCube Neut…