High-Energy and Ultra-High-Energy Neutrino Astrophysics

DFG Fiorillo - Universe, 2024 - mdpi.com
The origin of high-energy cosmic rays, and their behavior in astrophysical sources, remains
an open question. Recently, new ways to address this question have been made possible …

Magnetar-powered neutrinos and magnetic moment signatures at IceCube

V Brdar, T Cheng, HJ Kuan, YY Li - Journal of Cosmology and …, 2024 - iopscience.iop.org
The IceCube collaboration pioneered the detection of Script O (PeV) neutrino events and the
identification of astrophysical sources of high-energy neutrinos. In this study, we explore …

Identifying Energy-Dependent Flavor Transitions in High-Energy Astrophysical Neutrino Measurements

Q Liu, DFG Fiorillo, CA Argüelles… - arxiv preprint arxiv …, 2023 - arxiv.org
The flavor composition of TeV--PeV astrophysical neutrinos, ie, the proportion of neutrinos of
different flavors in their flux, is a versatile probe of high-energy astrophysics and …

Constraints on Heavy Asymmetric and Symmetric Dark Matter from the Glashow Resonance

Q Liu, N Song, AC Vincent - arxiv preprint arxiv:2406.14602, 2024 - arxiv.org
The decay of asymmetric dark matter (ADM) can lead to distinct neutrino signatures
characterized by an asymmetry between neutrinos and antineutrinos. In the high-energy …

Constraining pseudo-Diracness with astrophysical neutrino flavors

CS Fong, Y Porto - arxiv preprint arxiv:2406.15566, 2024 - arxiv.org
The three Standard Model neutrinos can have Majorana mass or strictly Dirac mass, but
both scenarios are practically indistinguishable in neutrino oscillation experiments. If they …

Flavor Matters, but Matter Flavors: Matter Effects on Flavor Composition of Astrophysical Neutrinos

PS Dev, S Jana, Y Porto - arxiv preprint arxiv:2312.17315, 2023 - arxiv.org
We show that high-energy astrophysical neutrinos produced in the cores of heavily
obscured active galactic nuclei (AGNs) can undergo strong matter effects, thus significantly …

Discovery potential of the Glashow resonance in an air shower neutrino telescope

G Huang - Chinese Physics C, 2023 - iopscience.iop.org
The in-ice or in-water Cherenkov neutrino telescope such as IceCube has already proved its
power in measuring the Glashow resonance by searching for the bump around …

[PDF][PDF] ournal of Cosmology and Astroparticle Physics

V Brdar, T Cheng, HJ Kuan, YY Li - 2024 - inspirehep.net
The IceCube collaboration pioneered the detection of O (PeV) neutrino events and the
identification of astrophysical sources of high-energy neutrinos. In this study, we explore …

arxiv: Magnetar-powered Neutrinos and Magnetic Moment Signatures at IceCube

T Cheng, V Brdar, HJ Kuan, YY Li - 2023 - cds.cern.ch
The IceCube collaboration pioneered the detection of $\mathcal {O}{(\text {PeV})} $ neutrino
events and the identification of astrophysical sources of high-energy neutrinos. In this study …

Probing Astrophysical Neutrinos and Lepton Number Violation in Rare Events

N Volmer - 2024 - pure.mpg.de
In the past decades, many experiments have been built to detect neutrinos and learn about
their properties. An example is IceCube, which, with its extraordinary volume, measured a …