Studying neutrinos from nearby supernovae with IceCube

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Aithousa Mitropoulos ()

Aithousa Mitropoulos

Megaron, Athens - Greece

Speaker

Reina Maruyama (University of Wisconsin, Madison)

Description

With just a few neutrinos detected, Supernova SN1987A set stringent limits on the mass of the anti-electron neutrino, its lifetime, magnetic moment, and the number of lepton flavors. Current generation of detectors are capable of detecting many orders of magnitude more neutrinos, allowing us to study details of the gravitational collapse of supernovae and properties of neutrinos. Upon completion during the next austral summer, IceCube will consist of 5160 photomultiplier tubes spread in a grid over ~ 1 km^3 in the deep Antarctic ice at the geographic South Pole. Though designed to search for neutrinos from astrophysical sources with energies ranging from 10^11 to 10^21 eV, IceCube is able to detect MeV neutrinos produced in nearby supernovae out to the Magellanic Clouds by looking for a collective rise in the photomultiplier rates. The current status of IceCube and its sensitivity to neutrinos from galactic supernovae, sensitivity to electron neutrinos from the deleptonization burst, and possible studies of neutrino properties including theta-13 and mass hierarchy will be presented.

Primary author

Reina Maruyama (University of Wisconsin, Madison)

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