AlbaNova and Nordita Colloquium

Neutrinos: Ghost particles of the universe

by Georg Raffelt (Max Planck Institute for Physics, Munich, Germany)

Europe/Stockholm
Oskar Klein auditorium ()

Oskar Klein auditorium

Description
Neutrinos are special among elementary particles in that they interact extremely weakly, their masses are extremely small, and they show the phenomenon of flavor oscillations, a macroscopic quantum interference effect, which allows them to convert from one type (or flavor) to another. They play a dominant dynamical role in the early universe and in core-collapse supernovae, may be responsible for the cosmic matter-antimatter asymmetry, and they carry crucial information about the highest-energy astrophysical phenomena - the field of neutrino astronomy has only just begun. We will review the role of these elusive particles in physics, astrophysics and cosmology.

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