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Probing Pseudo-Dirac Neutrinos with Astrophysical Sources at IceCube
Kiara Carloni, Ivan Martinez-Soler, Carlos A. Arguelles +2
The recent observation of NGC 1068 by the IceCube Neutrino Observatory has opened a new window to neutrino physics with astrophysical baselines. In this Letter, we propose a new me…
Searches for Neutrinos from LHAASO ultra-high-energy γ-ray sources using the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +387
Galactic PeVatrons are Galactic sources theorized to accelerate cosmic rays up to PeV in energy. The accelerated cosmic rays are expected to interact hadronically with nearby ambie…
Cosmic-Ray Composition analysis at IceCube using Graph Neural Networks
Paras Koundal
The IceCube Neutrino Observatory is a multi-component detector embedded deep within the South-Pole Ice. This proceeding will discuss an analysis from an integrated operation of Ice…
Evidence for neutrino emission from the nearby active galaxy NGC 1068
IceCube Collaboration, R. Abbasi, M. Ackermann +382
We report three searches for high energy neutrino emission from astrophysical objects using data recorded with IceCube between 2011 and 2020. Improvements over previous work includ…
Measuring Oscillations with A Million Atmospheric Neutrinos
C. A. Argüelles, P. Fernández, I. Martínez-Soler +1
After two decades of measurements, neutrino physics is now advancing into the precision era. Withthe long-baseline experiments designed to tackle current open questions, a new quer…
New Clues About Light Sterile Neutrinos: Preference for Models with Damping Effects in Global Fits
J. M. Hardin, I. Martinez-Soler, A. Diaz +5
This article reports global fits of short-baseline neutrino data to oscillation models involving light sterile neutrinos. In the commonly-used 3+1 plane wave model, there is a well…
Constraints on populations of neutrino sources from searches in the directions of IceCube neutrino alerts
R. Abbasi, M. Ackermann, J. Adams +380
Beginning in 2016, the IceCube Neutrino Observatory has sent out alerts in real time containing the information of high-energy (~TeV) neutrino candidate events with…
IceCube search for neutrinos coincident with gravitational wave events from LIGO/Virgo run O3
R. Abbasi, M. Ackermann, J. Adams +378
Using data from the IceCube Neutrino Observatory, we searched for high-energy neutrino emission from the gravitational-wave events detected by advanced LIGO and Virgo detectors dur…
Multi-messenger High-Energy Signatures of Decaying Dark Matter and the Effect of Background Light
Barbara Skrzypek, Marco Chianese, Carlos Argüelles Delgado
The IceCube Neutrino Observatory at the South Pole has measured astrophysical neutrinos using through-going and starting events in the TeV to PeV energy range. The origin of these…
Framework and Tools for the Simulation and Analysis of the Radio Emission from Air Showers at IceCube
R. Abbasi, M. Ackermann, J. Adams +382
The Surface Enhancement of the IceTop air-shower array will include the addition of radio antennas and scintillator panels, co-located with the existing ice-Cherenkov tanks and cov…
Searches for Connections between Dark Matter and High-Energy Neutrinos with IceCube
R. Abbasi, M. Ackermann, J. Adams +376
In this work, we present the results of searches for signatures of dark matter decay or annihilation into Standard Model particles, and secret neutrino interactions with dark matte…
Efficiently Exploring Multi-Dimensional Parameter Spaces Beyond the Standard Model
Carlos A. Argüelles, Nicolò Foppiani, Matheus Hostert
We propose a method to ease the challenges of exploring multi-dimensional parameter spaces in beyond-the-Standard Model theories. We evaluate the model likelihood for any choice of…
Tau depolarization at very high energies for neutrino telescopes
Carlos A. Argüelles, Diksha Garg, Sameer Patel +2
The neutrino interaction length scales with energy, and becomes comparable to Earth's diameter above 10's of TeV energies. Over terrestrial distances, the tau's short lifetime lead…
Hadrophilic Light Dark Matter from the Atmosphere
Carlos A. Argüelles, Víctor Muñoz, Ian M. Shoemaker +1
Light sub-GeV dark matter (DM) constitutes an underexplored target, beyond the optimized sensitivity of typical direct DM detection experiments. We comprehensively investigate hadr…
Snowmass White Paper: Beyond the Standard Model effects on Neutrino Flavor
C. A. Argüelles, G. Barenboim, M. Bustamante +23
Neutrinos are one of the most promising messengers for signals of new physics Beyond the Standard Model (BSM). On the theoretical side, their elusive nature, combined with their un…
Electron Scattering and Neutrino Physics
A. M. Ankowski, A. Ashkenazi, S. Bacca +50
A thorough understanding of neutrino-nucleus scattering physics is crucial for the successful execution of the entire US neutrino physics program. Neutrino-nucleus interaction cons…
Search for High-Energy Neutrino Emission from Galactic X-ray Binaries with IceCube
R. Abbasi, M. Ackermann, J. Adams +379
We present the first comprehensive search for high-energy neutrino emission from high- and low-mass X-ray binaries conducted by IceCube. Galactic X-ray binaries are long-standing c…
Search for Spatial Correlations of Neutrinos with Ultra-High-Energy Cosmic Rays
The ANTARES collaboration, A. Albert, S. Alves +1042
For several decades, the origin of ultra-high-energy cosmic rays (UHECRs) has been an unsolved question of high-energy astrophysics. One approach for solving this puzzle is to corr…
Impact of Wave Packet Separation in Low-Energy Sterile Neutrino Searches
Carlos A. Argüelles, Toni Bertólez-Martínez, Jordi Salvado
Light sterile neutrinos have been motivated by anomalies observed in short-baseline neutrino experiments.Among them, radioactive-source and reactor experiments have provided eviden…
Strong constraints on neutrino nonstandard interactions from TeV-scale disappearance at IceCube
IceCube Collaboration, R. Abbasi, M. Ackermann +380
We report a search for nonstandard neutrino interactions (NSI) using eight years of TeV-scale atmospheric muon neutrino data from the IceCube Neutrino Observatory. By reconstructin…