output
19952026
most citedEvidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector

1.6k citations

Showing astro-ph.HEShow all

121 papers · 1 filter

astro-ph.HE2025★ 3 cited

Search for GeV-scale Dark Matter from the Galactic Center with IceCube-DeepCore

The IceCube Collaboration, R. Abbasi, M. Ackermann +431

Models describing dark matter as a novel particle often predict that its annihilation or decay into Standard Model particles could produce a detectable neutrino flux in regions of…

astro-ph.HE2025★ 12 cited

Evidence for Neutrino Emission from X-Ray-bright Active Galactic Nuclei with IceCube

R. Abbasi, M. Ackermann, J. Adams +429

Recently, IceCube reported neutrino emission from the Seyfert galaxy NGC 1068. Using 13.1 years of IceCube data, we present a follow-up search for neutrino sources in the northern…

astro-ph.HE2025★ 11 cited

Improved measurements of the TeV-PeV extragalactic neutrino spectrum from joint analyses of IceCube tracks and cascades

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

The IceCube South Pole Neutrino Observatory has discovered the presence of a diffuse astrophysical neutrino flux at energies of TeV and beyond using neutrino induced muon tracks an…

astro-ph.HE2025★ 14 cited

Evidence for a Spectral Break or Curvature in the Spectrum of Astrophysical Neutrinos from 5 TeV--10 PeV

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

We report improved measurements of the all flavor astrophysical neutrino spectrum with IceCube by combining complementary neutrino samples in two independent analyses. Both analyse…

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.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.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…

astro-ph.HE2023★ 307 cited

Observation of high-energy neutrinos from the Galactic plane

R. Abbasi, M. Ackermann, J. Adams +385

The origin of high-energy cosmic rays, atomic nuclei that continuously impact Earth's atmosphere, has been a mystery for over a century. Due to deflection in interstellar magnetic…

astro-ph.HE2023★ 15 cited

Search for Extended Sources of Neutrino Emission in the Galactic Plane with IceCube

R. Abbasi, M. Ackermann, J. Adams +404

The Galactic plane, harboring a diffuse neutrino flux, is a particularly interesting target to study potential cosmic-ray acceleration sites. Recent gamma-ray observations by HAWC…

astro-ph.HE2023★ 69 cited

IceCat-1: the IceCube Event Catalog of Alert Tracks

R. Abbasi, M. Ackermann, J. Adams +390

We present a catalog of likely astrophysical neutrino track-like events from the IceCube Neutrino Observatory. IceCube began reporting likely astrophysical neutrinos in 2016 and th…

astro-ph.HE2023★ 31 cited

Constraining High-Energy Neutrino Emission from Supernovae with IceCube

R. Abbasi, M. Ackermann, J. Adams +384

Core-collapse supernovae are a promising potential high-energy neutrino source class. We test for correlation between seven years of IceCube neutrino data and a catalog containing…

astro-ph.HE2023★ 10 cited

A Search for IceCube sub-TeV Neutrinos Correlated with Gravitational-Wave Events Detected By LIGO/Virgo

R. Abbasi, M. Ackermann, J. Adams +384

The LIGO/Virgo collaboration published the catalogs GWTC-1, GWTC-2.1 and GWTC-3 containing candidate gravitational-wave (GW) events detected during its runs O1, O2 and O3. These GW…

astro-ph.HE2023★ 13 cited

Observation of Seasonal Variations of the Flux of High-Energy Atmospheric Neutrinos with IceCube

R. Abbasi, M. Ackermann, J. Adams +389

Atmospheric muon neutrinos are produced by meson decays in cosmic-ray-induced air showers. The flux depends on meteorological quantities such as the air temperature, which affects…

astro-ph.HE2023★ 58 cited

Limits on Neutrino Emission from GRB 221009A from MeV to PeV using the IceCube Neutrino Observatory

R. Abbasi, M. Ackermann, J. Adams +382

Gamma-ray bursts (GRBs) have long been considered a possible source of high-energy neutrinos. While no correlations have yet been detected between high-energy neutrinos and GRBs, t…

astro-ph.HE2022★ 11 cited

A Search for Coincident Neutrino Emission from Fast Radio Bursts with Seven Years of IceCube Cascade Events

R. Abbasi, M. Ackermann, J. Adams +382

This paper presents the results of a search for neutrinos that are spatially and temporally coincident with 22 unique, non-repeating Fast Radio Bursts (FRBs) and one repeating FRB…

astro-ph.HE2022★ 12 cited

Search for sub-TeV Neutrino Emission from Novae with IceCube-DeepCore

R. Abbasi, M. Ackermann, J. Adams +383

The understanding of novae, the thermonuclear eruptions on the surfaces of white dwarf stars in binaries, has recently undergone a major paradigm shift. Though the bolometric lumin…

astro-ph.HE2022★ 13 cited

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…

astro-ph.HE2022★ 19 cited

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…

astro-ph.HE2022★ 26 cited

Search for Astrophysical Neutrinos from 1FLE Blazars with IceCube

R. Abbasi, M. Ackermann, J. Adams +379

The majority of astrophysical neutrinos have undetermined origins. The IceCube Neutrino Observatory has observed astrophysical neutrinos but has not yet identified their sources. B…