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New constraints on non-unitary neutrino mixing from 8 years of IceCube DeepCore atmospheric neutrino data
Sharmistha Chattopadhyay, Anil Kumar, Sanjib Kumar Agarwalla
The mixing between flavor and mass eigenstates of active neutrinos is described by a unitary matrix. However, the presence of additional heavy sterile neutrino states ca…
Study of the internal structure of the Earth using neutrino oscillations at IceCube DeepCore
Sharmistha Chattopadhyay
Earth's mass and internal structure have been primarily studied through gravitational and seismic methods. Neutrinos, however, offer an independent way to explore Earth's interior…
Demonstrating the ability of IceCube DeepCore to probe Earth's interior with atmospheric neutrino oscillations
Sharmistha Chattopadhyay, Krishnamoorthi J, Anuj Kumar Upadhyay
The IceCube Neutrino Observatory is an optical Cherenkov detector instrumenting one cubic kilometer of ice at the South Pole. The Cherenkov photons emitted following a neutrino int…