Effect of New Physics in Astrophysical Neutrino Flavor
by
Teppei Katori(Queen Mary University of London)
→
Europe/Rome
Aula Conversi (Dipartimento di Fisica - Ed. G.Marconi)
Aula Conversi
Dipartimento di Fisica - Ed. G.Marconi
Description
Neutrino oscillation physics is very successful in the last 20 years.
It was the subject for 2015 Nobel prize of physics and 2016 Breakthrough prize.
Now, our understanding of the Neutrino Standard Model (nuSM) is very matured, and there are world wide effort to measure last missing pieces of nuSM, including neutrino absolute mass, neutrino mass ordering, leptonic Dirac CP phase, Majorana neutrino, etc.
On the other hand, neutrino oscillation itself can be a tool to look for new physics beyond the Neutrino Standard Model (nuBSM), because neutrino oscillation is a natural interferometer and sensitive to tiny effects of nature.
Among them, search of violation of Lorentz invariance is an active field in neutrino physics, and neutrinos, especially astrophysical neutrino flavor content may be the first place to find the nuBSM including Lorentz violation.
In this talk, I will introduce Lorentz violation and Lorentz violating neutrino oscillations.
Then I examine the limits of new physics from terrestrial neutrino oscillation data.
Finally, I will show a future prospective of the best new physics test in the neutrino sector through the astrophysical very high-energy neutrino flavor data from IceCube.
