22-26 October 2018
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone

Environmental decoherence in atmospheric neutrinos with IceCube

22 Oct 2018, 15:40
2h 30m
Petrovskiy hall (Hotel Intourist Kolomenskoye 4*)

Petrovskiy hall

Hotel Intourist Kolomenskoye 4*

Kashirskoye shosse, 39B, Moscow, Russia, 115409
Poster Particle physics: neutrino physics Poster session and coffee-buffet

Speaker

Thomas Stuttard (Niels Bohr Institute)

Description

Dissipative interactions between neutrinos and the environment in which they propagate lead to quantum decoherence. Such an environment is predicted by quantum gravity models featuring a 'foamy' space-time structure. Environmental decoherence degrades the interference between neutrino states that is responsible for neutrino oscillations, resulting in exponential damping of oscillation probability with propagation distance. The IceCube detector at the South Pole measures atmospheric neutrinos that have traversed a range of distances, up to 12,742 km for neutrinos crossing the Earth’s diameter, making it sensitive to decoherence effects. In this poster, a phenomenological model of neutrino environmental decoherence and the resulting signal in IceCube is presented, and the measurement sensitivity estimated for a 6 year data sample.

Primary author

Thomas Stuttard (Niels Bohr Institute)

Presentation Materials

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