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Blazars as a Potential Origin of the KM3-230213A Event
The KM3NeT Collaboration
The KM3NeT collaboration has reported the detection of the highest energy neutrino event observed to date. The energy of the event is of the order of 220 PeV hinting towards a neut…
Constraining gamma-ray burst parameters with the first ultra-high energy neutrino event KM3-230213A
KM3NeT Collaboration, O. Adriani, A. Albert +278
Context: The detection of the highest energy neutrino observed to date by KM3NeT, with an estimated energy of 220 PeV, opens up new possibilities for the study and identification o…
KM3NeT Constraint on Lorentz-Violating Superluminal Neutrino Velocity
KM3NeT Collaboration, O. Adriani, S. Aiello +290
Lorentz invariance is a fundamental symmetry of spacetime and foundational to modern physics. One of its most important consequences is the constancy of the speed of light. This in…
On the Potential Galactic Origin of the Ultra-High-Energy Event KM3-230213A
O. Adriani, S. Aiello, A. Albert +286
The KM3NeT observatory detected the most energetic neutrino candidate ever observed, with an energy between 72 PeV and 2.6 EeV at the 90% confidence level. The observed neutrino is…
On the potential cosmogenic origin of the ultra-high-energy event KM3-230213A
The KM3NeT collaboration
On the 13th February 2023 the KM3NeT/ARCA telescope observed a track-like event compatible with a ultra-high-energy muon with an estimated energy of 120 PeV, produced by a neutrino…
The ultra-high-energy event KM3-230213A within the global neutrino landscape
KM3NeT Collaboration, O. Adriani, S. Aiello +290
On February 13th, 2023, the KM3NeT/ARCA telescope detected a neutrino candidate with an estimated energy in the hundreds of PeVs. In this article, the observation of this ultra-hig…
Characterizing Candidate Blazar Counterparts of the Ultra-High-Energy Event KM3-230213A
KM3NeT Collaboration, MessMapp Group, LAT Collaboration +13
High-energy astrophysical neutrinos serve as crucial messengers for understanding hadronic acceleration processes and identifying the origins of cosmic rays, with blazars among the…
Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +359
Diffuse photons of energy above 0.1 PeV, produced through the interactions between cosmic rays and either interstellar matter or background radiation fields, are powerful tracers o…
First Searches for Dark Matter with the KM3NeT Neutrino Telescopes
KM3NeT Collaboration, S. Aiello, A. Albert +262
Indirect dark matter detection methods are used to observe the products of dark matter annihilations or decays originating from astrophysical objects where large amounts of dark ma…
Large-scale cosmic ray anisotropies with 19 years of data from the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +355
Results are presented for the measurement of large-scale anisotropies in the arrival directions of ultra-high-energy cosmic rays detected at the Pierre Auger Observatory during 19…
Berezinsky Hidden Sources: An Emergent Tension in the High-Energy Neutrino Sky?
Antonio Ambrosone
The IceCube Collaboration has recently reported compelling evidence of high-energy neutrino emission from NGC~1068, and also mild excesses for NGC 4151 and CGCG420-015, local Seyfe…
Search for Neutrino Emission from GRB 221009A using the KM3NeT ARCA and ORCA detectors
S. Aiello, A. Albert, M. Alshamsi +273
Gamma-ray bursts are promising candidate sources of high-energy astrophysical neutrinos. The recent GRB 221009A event, identified as the brightest gamma-ray burst ever detected, pr…
Differential Sensitivity of the KM3NeT/ARCA detector to a diffuse neutrino flux and to point-like source emission: exploring the case of the Starburst Galaxies
KM3NeT Collaboration
KM3NeT/ARCA is a Cherenkov neutrino telescope under construction in the Mediterranean sea, optimised for the detection of astrophysical neutrinos with energies above 1~TeV. I…
Atmospheric muons measured with the KM3NeT detectors in comparison with updated numeric predictions
KM3NeT Collaboration
The measurement of the flux of muons produced in cosmic ray air showers is essential for the study of primary cosmic rays. Such measurements are important in extensive air shower d…
Constraining the hadronic properties of star-forming galaxies above with 15-years Fermi-LAT data
Antonio Ambrosone, Marco Chianese, Antonio Marinelli
Star-forming and starburst galaxies (SFGs and SBGs) are powerful emitters of non-thermal -rays and neutrinos, due to their intense phases of star-formation activity, which shoul…
Astronomy potential of KM3NeT/ARCA
S. Aiello, A. Albert, M. Alshamsi +275
The KM3NeT/ARCA neutrino detector is currently under construction at 3500 m depth offshore Capo Passero, Sicily, in the Mediterranean Sea. The main science objectives are the detec…
Searches for neutrino counterparts of gravitational waves from the LIGO/Virgo third observing run with KM3NeT
KM3NeT Collaboration, S. Aiello, A. Albert +273
The KM3NeT neutrino telescope is currently being deployed at two different sites in the Mediterranean Sea. First searches for astrophysical neutrinos have been performed using data…
Prospects for combined analyses of hadronic emission from -ray sources in the Milky Way with CTA and KM3NeT
T. Unbehaun, L. Mohrmann, S. Funk +271
The Cherenkov Telescope Array and the KM3NeT neutrino telescopes are major upcoming facilities in the fields of -ray and neutrino astronomy, respectively. Possible simultaneous…
Galactic Diffuse Neutrino Emission from Sources beyond the Discovery Horizon
Antonio Ambrosone, Kathrine Mørch Groth, Enrico Peretti +1
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 emi…
Starburst Nuclei as Light Dark Matter Laboratories
Antonio Ambrosone, Marco Chianese, Damiano F. G. Fiorillo +2
Starburst galaxies are well-motivated astrophysical emitters of high-energy gamma-rays. They are well-known cosmic-ray "reservoirs", thanks to their large magnetic fields which con…
Observable Signatures of Cosmic Rays Transport in Starburst Galaxies on Gamma-ray and Neutrino Observations
A. Ambrosone, M. Chianese, D. F. G. Fiorillo +2
The gamma-ray emission from Starburst and Starforming Galaxies (SBGs and SFGs) strongly suggest a correlation between star-forming activity and gamma-ray luminosity. However, the v…
Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search
KM3NeT Collaboration, S. Aiello, A. Albert +242
The KM3NeT research infrastructure is under construction in the Mediterranean Sea. KM3NeT will study atmospheric and astrophysical neutrinos with two multi-purpose neutrino detecto…
Could nearby star-forming galaxies light up the point-like neutrino sky?
Antonio Ambrosone, Marco Chianese, Damiano F. G. Fiorillo +2
Star-forming and starburst galaxies, which are well-known cosmic-rays reservoirs, are expected to emit gamma-rays and neutrinos predominantly via hadronic collisions. In this Lette…
The KM3NeT potential for the next core-collapse supernova observation with neutrinos
KM3NeT Collaboration, S. Aiello, A. Albert +245
The KM3NeT research infrastructure is under construction in the Mediterranean Sea. It consists of two water Cherenkov neutrino detectors, ARCA and ORCA, aimed at neutrino astrophys…