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Neutrinos at High Energies: Disentangling Galactic and Extra-galactic components

Neutrinos at High Energies: Disentangling Galactic and Extra-galactic components

Objective

In 2013 the IceCube South Pole Neutrino Observatory has received the Physics World award for the Breakthrough of the
Year for the first observations of high-energy cosmic neutrinos. The discovery, indeed, represents the birth of a new
research field, the neutrino astronomy, that can definitively shed light on the sources of high-energy cosmic-rays and on the
mechanisms through which they are produced. The origin of all of the detected neutrinos is still to be correctly identified.
Just recently evidence for emission from the direction of the blazar TXS 0506+056 has been reported. The most
important point to understand is if the neutrino events are all of extra-galactic origin or a galactic component is present, and
which are the specific characteristics, like size of the acceleration region and magnetic field, of the possible sources. To
achieve this goal a multi-messenger approach is necessary. In particular, it is important to compare the single point sources
available in the current gamma-ray catalogues with the IceCube data, considering their spatial, timing and energy
distribution. After identifying specific plausible candidates for the IceCube events, it is possible to consider the sensitivity of
gamma-ray experiments, like the High-Altitude Water Cherenkov Observatory and the planned Cherenkov Telescope Array
Project, to verify the origin of the IceCube events. For the final correct identification of the IceCube neutrinos, the detection of
the events from different experiments will be fundamental. In this regard, the estimation of the prospects for ANTARES, for
the possible extension of IceCube and for the planned cubic kilometre neutrino telescope in the Northern Hemisphere,
KM3NeT, is mandatory.
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Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

Address

Rue Michel Ange 3
75794 Paris

France

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 184 707,84

Project information

Grant agreement ID: 843418

Status

Ongoing project

  • Start date

    1 June 2019

  • End date

    31 May 2021

Funded under:

H2020-EU.1.3.2.

  • Overall budget:

    € 184 707,84

  • EU contribution

    € 184 707,84

Coordinated by:

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France