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Related papers: Neutrinos in IceCube and KM3NeT

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We estimate the neutrino flux from different kinds of galactic sources and compare it with the recently diffuse neutrino flux detected by IceCube. We find that the flux from these sources may contribute to ~ 20% of the IceCube neutrino…

High Energy Astrophysical Phenomena · Physics 2024-05-13 Silvia Gagliardini , Aurora Langella , Dafne Guetta , Antonio Capone

The observation of high-energy extraterrestrial neutrinos is one of the most promising future options to increase our knowledge on non-thermal processes in the universe. Neutrinos are e.g. unavoidably produced in environments where…

Astrophysics · Physics 2009-11-11 Ulrich F. Katz

The identification of cosmic objects emitting high energy neutrinos could provide new insights about the Universe and its active sources. The existence of these cosmic neutrinos has been proven by the IceCube collaboration, but the big…

Instrumentation and Methods for Astrophysics · Physics 2021-09-06 Rasa Muller , Aart Heijboer , Alfonso Garcia Soto , Barbara Caiffi , Matteo Sanguineti , Vladimir Kulikovskiy

The IceCube Neutrino Observatory is the world's largest neutrino detector, instrumenting a cubic kilometer of ice at the geographic South Pole. The detector probes neutrino energies from GeV to PeV, and collects high statistics neutrino…

High Energy Astrophysical Phenomena · Physics 2019-09-12 Dawn R. Williams

The IceCube Neutrino Observatory has detected high-energy astrophysical neutrinos in the TeV-PeV range. These neutrinos have an isotropic distribution on the sky, and therefore, likely originate from extragalactic sources. Active Galactic…

High Energy Astrophysical Phenomena · Physics 2021-10-27 Sreetama Goswami , George C. Privon , Marcos Santander

High energy neutrinos produced in astrophysical processes will allow for a new way of studying the universe. In order to detect the expected flux of high energy neutrinos from specific astrophysical sources, neutrino telescopes of a scale…

Astrophysics · Physics 2019-08-14 P. A. Rapidis

IceCube recently reported the observation of TeV neutrinos from the nearby Seyfert galaxy NGC~1068, and the corresponding neutrino flux is significantly higher than the upper limit implied by observations of GeV-TeV gamma rays. This…

High Energy Astrophysical Phenomena · Physics 2026-02-12 The IceCube Collaboration

The IceCube Neutrino Observatory opened the window on neutrino astronomy by discovering high-energy astrophysical neutrinos in 2013 and identifying the first compelling astrophysical neutrino source, the blazar TXS0506+056, in 2017. In this…

High Energy Astrophysical Phenomena · Physics 2021-11-17 Brian Clark

The recent detection of TeV neutrino emission from the nearby active galaxy NGC 1068 by IceCube suggests that AGN could make a sizable contribution to the total high-energy cosmic neutrino flux. The absence of TeV gamma rays from NGC 1068,…

High Energy Astrophysical Phenomena · Physics 2023-08-02 Theo Glauch , Ali Kheirandish , Tomas Kontrimas , Qinrui Liu , Hans Niederhausen

The discovery of high-energy astrophysical neutrinos by IceCube has opened a new window to the Universe. However, the origin of these neutrinos is still a mystery, and some of them could be a result of dark matter interactions such as…

We use IceCube's high-statistics, neutrino-induced, through-going muon samples to search for astrophysical neutrino sources. Specifically, we analyze the arrival directions of IceCube's highest energy neutrinos. These high-energy events…

High Energy Astrophysical Phenomena · Physics 2021-07-20 Martina Karl , Philipp Eller , Anna Schubert

We present a comprehensive multi-messenger study of NGC 1068, the prototype Seyfert II galaxy recently associated with high-energy IceCube neutrinos. Various aspects of the source, including its nuclear activity, jet, outflow, and starburst…

The IceCube neutrino observatory, a cubic-kilometer particle detector at the South Pole, first announced the discovery of an astrophysical flux of high-energy neutrinos in the TeV-PeV range in 2013, followed in 2017 by the detection of a…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Marcos Santander

In 2018, the IceCube collaboration reported evidence for the identification of a blazar as an astrophysical neutrino source. That evidence is briefly summarised here before focusing on the prospects of tau neutrino physics in IceCube, both…

High Energy Physics - Experiment · Physics 2019-01-04 Daan van Eijk

IceCube collaboration has previously reported an evidence for neutrino signal from a Seyfert galaxy NGC 1068. This may suggest that all Seyfert galaxies emit neutrinos. To test this hypothesis, we identify the best candidate neutrino…

High Energy Astrophysical Phenomena · Physics 2024-07-22 A. Neronov , D. Savchenko , D. V. Semikoz

The IceCube Neutrino Observatory has recently reported strong evidence for neutrino emission from the Galactic plane. The signal is consistent with model predictions of diffuse emission from cosmic ray propagation in the interstellar…

High Energy Astrophysical Phenomena · Physics 2024-02-09 Antonio Ambrosone , Kathrine Mørch Groth , Enrico Peretti , Markus Ahlers

While the Standard Model has experienced great predictive success, the neutrino sector still holds opportunities for surprises. Numerous ongoing and planned experiments exist to probe neutrino properties at low energies. The IceCube…

High Energy Physics - Experiment · Physics 2020-01-24 Tianlu Yuan

The astrophysical neutrinos recently discovered by the IceCube neutrino telescope have the highest detected neutrino energies --- from TeV to PeV --- and travel the longest distances --- up to a few Gpc, the size of the observable Universe.…

High Energy Astrophysical Phenomena · Physics 2020-12-30 Mauricio Bustamante

The IceCube experiment discovered PeV-energy neutrinos originating beyond our Galaxy with an energy flux that is comparable to that of TeV-energy gamma rays and EeV-energy cosmic rays. Neutrinos provide the only unobstructed view of the…

High Energy Astrophysical Phenomena · Physics 2022-02-03 Francis Halzen , Ali Kheirandish

The IceCube neutrino telescope discovered PeV-energy neutrinos originating beyond our Galaxy with an energy flux that is comparable to that of GeV-energy gamma rays and EeV-energy cosmic rays. These neutrinos provide the only unobstructed…

High Energy Astrophysical Phenomena · Physics 2022-04-06 Francis Halzen