activity
20062026
most citedEvidence for neutrino emission from the nearby active galaxy NGC 1068

485 citations · 3.1k across the 83 of their papers we have counts for

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65 papers · 1 filter

astro-ph.HE2026

Search for High-Energy Neutrinos from Infrared Flares

R. Abbasi, M. Ackermann, J. Adams +415

IceCube has detected a diffuse flux of high-energy astrophysical neutrinos. While its astrophysical origin is unknown, a significant neutrino emission has been observed from the ga…

astro-ph.HE2026

IceCube neutrino point-source searches in the direction of the KM3NeT ultra-high-energy event

R. Abbasi, M. Ackermann, J. Adams +416

While still under construction, the KM3NeT Astroparticle Research with Cosmics in the Abyss (ARCA) detector recorded a 200 PeV neutrino on February 13th, 2023. This event is…

astro-ph.HE2026

High-Energy Neutrino Tomography of the Earth's Interior with IceCube

The IceCube Collaboration, R. Abbasi, M. Ackermann +417

The Earth's interior reflects its geological evolution, from accretion to present-day dynamics. Its structure drives the geodynamo in the outer core, generating the magnetic field…

astro-ph.HE2025★ 4 cited

Observation of In-ice Askaryan Radiation from High-Energy Cosmic Rays

ARA Collaboration, N. Alden, S. Ali +74

We present the first experimental evidence for in-ice Askaryan radiation -- coherent charge-excess radio emission -- from high-energy particle cascades developing in the Antarctic…

astro-ph.HE2025

The IceCube-Gen2 Collaboration -- Contributions to the 39th International Cosmic Ray Conference (ICRC2025)

R. Abbasi, M. Ackermann, J. Adams +465

IceCube-Gen2 is a planned next-generation neutrino observatory at the South Pole that builds upon the successful design of IceCube. Integrating two complementary detection technolo…

astro-ph.HE2025

The IceCube Collaboration -- Contributions to the 39th International Cosmic Ray Conference (ICRC2025)

R. Abbasi, M. Ackermann, J. Adams +426

The IceCube Observatory at the South Pole has been operating in its full configuration since May 2011 with a duty cycle of about 99%. Its main component consists of a cubic-kilomet…

astro-ph.HE2025

A Search for Millimeter-Bright Blazars as Astrophysical Neutrino Sources

R. Abbasi, M. Ackermann, J. Adams +424

The powerful jets of blazars have been historically considered as likely sites of high-energy cosmic-ray acceleration. However, particulars of the launched jet and the locations of…

astro-ph.HE2025★ 3 cited

All-sky neutrino point-source search with IceCube combined track and cascade data

R. Abbasi, M. Ackermann, J. Adams +424

Despite extensive efforts, discovery of high-energy astrophysical neutrino sources remains elusive. We present an event-level simultaneous maximum likelihood analysis of tracks and…

astro-ph.HE2025

Fast Low Energy Reconstruction using Convolutional Neural Networks

IceCube Collaboration

IceCube is a Cherenkov detector instrumenting over a cubic kilometer of glacial ice deep under the surface of the South Pole. The DeepCore sub-detector lowers the detection energy…

astro-ph.HE2025★ 4 cited

VERITAS and multiwavelength observations of the Blazar B3 2247+381 in response to an IceCube neutrino alert

Atreya Acharyya, Colin B. Adams, Priyadarshini Bangale +494

While the sources of the diffuse astrophysical neutrino flux detected by the IceCube Neutrino Observatory are still largely unknown, one of the promising methods used towards under…

astro-ph.HE2025★ 1 cited

Seasonal Variations of the Atmospheric Muon Neutrino Spectrum measured with IceCube

R. Abbasi, M. Ackermann, J. Adams +425

This study presents an energy-dependent analysis of seasonal variations in the atmospheric muon neutrino spectrum, using 11.3 years of data from the IceCube Neutrino Observatory. B…

astro-ph.HE2025★ 37 cited

Search for Extremely-High-Energy Neutrinos and First Constraints on the Ultrahigh-Energy Cosmic-Ray Proton Fraction with IceCube

IceCube Collaboration, R. Abbasi, M. Ackermann +423

We present a search for the diffuse extremely-high-energy neutrino flux using years of IceCube data. The nonobservation of neutrinos with energies well above $10 \, \mathrm{…

astro-ph.HE2025

Time-Integrated Southern-Sky Neutrino Source Searches with 10 Years of IceCube Starting-Track Events at Energies Down to 1 TeV

R. Abbasi, M. Ackermann, J. Adams +423

In the IceCube Neutrino Observatory, a signal of astrophysical neutrinos is obscured by backgrounds from atmospheric neutrinos and muons produced in cosmic-ray interactions. IceCub…

astro-ph.HE2025★ 3 cited

Search for neutrino doublets and triplets using 11.4 years of IceCube data

R. Abbasi, M. Ackermann, J. Adams +423

We report a search for high-energy astrophysical neutrino multiplets, detections of multiple neutrino clusters in the same direction within 30 days, based on an analysis of 11.4 ye…

astro-ph.HE2024

Askaryan Radio Array: searching for the highest energy neutrinos

Mohammad Ful Hossain Seikh

Searches for ultra-high energy ( PeV) cosmogenic and astrophysical neutrinos (UHENs) have been conducted by several experiments over the last two decades. The Askaryan…

astro-ph.HE2024

Search for neutrino emission from hard X-ray AGN with IceCube

R. Abbasi, M. Ackermann, J. Adams +422

Active Galactic Nuclei (AGN) are promising candidate sources of high-energy astrophysical neutrinos since they provide environments rich in matter and photon targets where cosmic r…

astro-ph.HE2024★ 6 cited

Search for joint multimessenger signals from potential galactic cosmic-ray accelerators with HAWC and IceCube

R. Alfaro, C. Alvarez, J. C. Arteaga-Velázquez +489

The origin of high-energy galactic cosmic rays is yet to be understood, but some galactic cosmic-ray accelerators can accelerate cosmic rays up to PeV energies. The high-energy cos…

astro-ph.HE2024★ 9 cited

Improved modeling of in-ice particle showers for IceCube event reconstruction

R. Abbasi, M. Ackermann, J. Adams +415

The IceCube Neutrino Observatory relies on an array of photomultiplier tubes to detect Cherenkov light produced by charged particles in the South Pole ice. IceCube data analyses de…

astro-ph.HE2024★ 30 cited

Observation of Seven Astrophysical Tau Neutrino Candidates with IceCube

IceCube Collaboration, R. Abbasi, M. Ackermann +401

We report on a measurement of astrophysical tau neutrinos with 9.7 years of IceCube data. Using convolutional neural networks trained on images derived from simulated events, seven…

astro-ph.HE2024★ 65 cited

Characterization of the Astrophysical Diffuse Neutrino Flux using Starting Track Events in IceCube

R. Abbasi, M. Ackermann, J. Adams +415

A measurement of the diffuse astrophysical neutrino spectrum is presented using IceCube data collected from 2011-2022 (10.3 years). We developed novel detection techniques to searc…

astro-ph.HE2024

Citizen Science for IceCube: Name that Neutrino

R. Abbasi, M. Ackermann, J. Adams +412

Name that Neutrino is a citizen science project where volunteers aid in classification of events for the IceCube Neutrino Observatory, an immense particle detector at the geographi…

astro-ph.HE2023★ 20 cited

Search for 10--1000 GeV neutrinos from Gamma Ray Bursts with IceCube

IceCube Collaboration, R. Abbasi, M. Ackermann +405

We present the results of a search for 10--1,000 GeV neutrinos from 2,268 gamma-ray bursts over 8 years of IceCube-DeepCore data. This work probes burst physics below the photosphe…

astro-ph.HE2023★ 5 cited

All-Sky Search for Transient Astrophysical Neutrino Emission with 10 Years of IceCube Cascade Events

R. Abbasi, M. Ackermann, J. Adams +403

We present the results of a time-dependent search for neutrino flares in data collected by IceCube between May 2011 and 2021. This data set contains cascade-like events originating…

astro-ph.HE2023★ 10 cited

Search for Continuous and Transient Neutrino Emission Associated with IceCube's Highest-Energy Tracks: An 11-Year Analysis

R. Abbasi, M. Ackermann, J. Adams +406

IceCube alert events are neutrinos with a moderate-to-high probability of having astrophysical origin. In this study, we analyze 11 years of IceCube data and investigate 122 alert…