Proposes a new CLFV search in IceCube using cosmic-ray muons, deriving sensitivities for EFT operators and a Z' model, with comparisons to other experiments and projections for future telescopes.
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Abbasi et al.,Evidence for neutrino emission from the nearby active galaxy NGC 1068, Science 378 (2022) 538 [2211.09972]
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representative citing papers
Visible inelasticity in starting tracks can statistically separate tau and muon neutrino events, yielding competitive sensitivity to the tau-to-muon flux ratio with current IceCube exposures.
Super-Kamiokande measures the flux-averaged muon neutrino and antineutrino charged-current cross section at 500-5000 GeV as (0.51 ± 0.11) × 10^{-38} cm² GeV^{-1}.
PandaX-4T reports the first direct spectral search for scalar-mediated neutrino self-interactions in 136Xe double beta decay, setting new upper limits for mediator masses below 2 MeV/c².
The cosmologically integrated neutrino emission from supermassive black hole coronae in Seyfert galaxies can account for the sub-PeV diffuse extragalactic neutrino flux observed by IceCube.
Source-informed event selection in multi-level neutrino reconstruction improves median point source sensitivity by factors of ~2-3 over uniform subsampling.
A proton spectrum with index -3.1 interacting with 0.3 keV X-rays via the Delta resonance reproduces the observed 30 TeV neutrino break and limits the accompanying gamma-ray cascade contribution to ~10% of the isotropic background at 3 GeV.
IceCube diffuse neutrino data constrains neutrino loss from new physics via energy conservation, yielding bounds that vary with attenuation energy dependence and source redshift assumptions while potentially affecting spectral index fits.
The Gluon Condensation model fits gamma-ray spectra of TXS 0506+056 and NGC 1068 with neutrino predictions consistent with IceCube, but predicts unphysical hardening for SNR G54.1+0.3.
The model predicts a diffuse neutrino flux from AGN coronal current sheets that matches IceCube observations when the proton magnetization is fixed at 10^5.
3D PIC simulations of relativistic turbulence show mirror interactions drive perpendicular momentum gains correlated with local magnetic-field strengthening, yielding anisotropic high-energy particle distributions and enhanced confinement.
A hadronic model with two free parameters shows proton-photon interactions can supply enough pairs for observed coronal optical depths above a critical Eddington ratio, with neutrino luminosity scaling as L_X^2/L_Edd below and L_X above that threshold.
Monte Carlo simulations of nuclear cascades in NGC 1068 demonstrate that injected nuclear composition imprints on neutrino and gamma-ray spectra, supported by a re-analysis of archival COMPTEL observations.
The diffuse astrophysical neutrino flux is interpreted as dominated by a single source class with dominant pγ production for target photon temperatures of 0.1-1 keV.
Phenomenological study predicting incomplete tau polarization at FASER2, observable neutrino and muon trident processes, and contributions to hadron structure from IceCube neutrino events.
Upper limit on muon neutrinos from Abell 119 is 1.2 times below the flux predicted for hadronic gamma-ray production, marginally excluding that origin.
citing papers explorer
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Charged Lepton Flavor Violation at Neutrino Telescopes
Proposes a new CLFV search in IceCube using cosmic-ray muons, deriving sensitivities for EFT operators and a Z' model, with comparisons to other experiments and projections for future telescopes.
-
Visible inelasticity as a probe of tau flavor content of astrophysical neutrinos
Visible inelasticity in starting tracks can statistically separate tau and muon neutrino events, yielding competitive sensitivity to the tau-to-muon flux ratio with current IceCube exposures.
-
TeV-scale neutrino cross-section measurement using upward through-going muons in Super-Kamiokande
Super-Kamiokande measures the flux-averaged muon neutrino and antineutrino charged-current cross section at 500-5000 GeV as (0.51 ± 0.11) × 10^{-38} cm² GeV^{-1}.
-
Probing scalar-neutrino and scalar-dark-matter interactions with PandaX-4T
PandaX-4T reports the first direct spectral search for scalar-mediated neutrino self-interactions in 136Xe double beta decay, setting new upper limits for mediator masses below 2 MeV/c².
-
Particle Acceleration, Coronal Neutrino Production, and the Diffuse Extragalactic Neutrino Background from Supermassive Black Holes
The cosmologically integrated neutrino emission from supermassive black hole coronae in Seyfert galaxies can account for the sub-PeV diffuse extragalactic neutrino flux observed by IceCube.
-
Improving Neutrino Point Source Sensitivity with Source-Informed Event Selection
Source-informed event selection in multi-level neutrino reconstruction improves median point source sensitivity by factors of ~2-3 over uniform subsampling.
-
The Delta Resonance in the Neutrino Sky
A proton spectrum with index -3.1 interacting with 0.3 keV X-rays via the Delta resonance reproduces the observed 30 TeV neutrino break and limits the accompanying gamma-ray cascade contribution to ~10% of the isotropic background at 3 GeV.
-
Exploring neutrino loss with diffuse astrophysical neutrino fluxes
IceCube diffuse neutrino data constrains neutrino loss from new physics via energy conservation, yielding bounds that vary with attenuation energy dependence and source redshift assumptions while potentially affecting spectral index fits.
-
A Unified Explanation of Gamma-Ray and Neutrino Spectra from Astrophysical Sources Based on the Gluon Condensation Model
The Gluon Condensation model fits gamma-ray spectra of TXS 0506+056 and NGC 1068 with neutrino predictions consistent with IceCube, but predicts unphysical hardening for SNR G54.1+0.3.
-
Diffuse neutrino flux from coronal magnetospheric current sheets of accreting black holes
The model predicts a diffuse neutrino flux from AGN coronal current sheets that matches IceCube observations when the proton magnetization is fixed at 10^5.
-
Studying the mirror acceleration via kinetic simulations of relativistic plasma turbulence
3D PIC simulations of relativistic turbulence show mirror interactions drive perpendicular momentum gains correlated with local magnetic-field strengthening, yielding anisotropic high-energy particle distributions and enhanced confinement.
-
Neutrino and pair creation in reconnection-powered coronae of accreting black holes
A hadronic model with two free parameters shows proton-photon interactions can supply enough pairs for observed coronal optical depths above a critical Eddington ratio, with neutrino luminosity scaling as L_X^2/L_Edd below and L_X above that threshold.
-
Nuclei in high-energy neutrino sources: A multimessenger study of in-source propagation
Monte Carlo simulations of nuclear cascades in NGC 1068 demonstrate that injected nuclear composition imprints on neutrino and gamma-ray spectra, supported by a re-analysis of archival COMPTEL observations.
-
Single-source-class interpretation of the diffuse astrophysical neutrino flux
The diffuse astrophysical neutrino flux is interpreted as dominated by a single source class with dominant pγ production for target photon temperatures of 0.1-1 keV.
-
Lepton interactions from GeV to EeV
Phenomenological study predicting incomplete tau polarization at FASER2, observable neutrino and muon trident processes, and contributions to hadron structure from IceCube neutrino events.
-
Limit on high energy neutrino emission from Abell 119 using IceCube 10-year muon track data
Upper limit on muon neutrinos from Abell 119 is 1.2 times below the flux predicted for hadronic gamma-ray production, marginally excluding that origin.