activity
20232026
most citedCharacterization of the Astrophysical Diffuse Neutrino Flux using Starting Track Events in IceCube

65 citations · 210 across the 26 of their papers we have counts for

collaborators

37 papers

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…

hep-ex2026

Planck-Scale Constraints on Quantum Gravity-Induced Neutrino Decoherence with IceCube

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

Many quantum gravity theories predict spacetime fluctuations at the Planck scale. Neutrinos, which interact only via the weak force and gravity, propagate over long distances witho…

astro-ph.HE2026

Time-Integrated Searches for Sub-TeV Neutrino Sources with IceCube-DeepCore

R. Abbasi, M. Ackermann, J. Adams +418

We have developed techniques for a competitive sub-TeV time-integrated neutrino search and applied it to 11.1 years of IceCube-DeepCore data. The DeepCore subarray lowers the sensi…

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

Search for Neutrinos from Tidal Disruption Events with IceCube

R. Abbasi, M. Ackermann, J. Adams +417

Tidal disruption events (TDEs) are theorized to produce high-energy neutrinos through photohadronic interactions between accelerated protons and multi-wavelength photons in the acc…

hep-ex2026

Searching for Extra Dimensions and Copies of the Standard Model with IceCube

R. Abbasi, M. Ackermann, J. Adams +418

The hierarchy problem remains an open question in particle physics. A number of theories that address this problem lower the fundamental scale of gravity, resulting in observable c…

astro-ph.HE2026

Astrophysical Sensitivity Projections for the IceCube Upgrade

R. Abbasi, M. Ackermann, J. Adams +417

Embedded in the South Pole's glacial ice, IceCube detects neutrino-induced Cherenkov light using an array of digital optical modules equipped with single photomultiplier tubes (PMT…

physics.ins-det2026

WavePID: Low-energy flavor identification using single-PMT time series in IceCube

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

The IceCube Neutrino Observatory, a cubic-kilometer detector at the South Pole, identifies neutrino flavor through event morphology. Sparse photon detection makes this classificati…

hep-ex2026

Estimating the sensitivity of the IceCube Upgrade to probe the interior of the Earth using atmospheric neutrino oscillations

The IceCube Collaboration, R. Abbasi, M. Ackermann +421

The IceCube Upgrade is a densely instrumented central region of the IceCube Neutrino Observatory, deployed during the 2025-26 polar season. It will reduce the detector's energy thr…

astro-ph.HE2026

High-energy neutrino emission from the Milky Way

R. Abbasi, M. Ackermann, J. Adams +420

The Milky Way hosts astrophysical objects that accelerate cosmic rays to energies beyond the reach of terrestrial particle accelerators. It remains a longstanding goal to locate th…

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.HE2026

IceCube Real-time Searches for High-energy Neutrinos Coincident with LIGO/Virgo/KAGRA Gravitational-Wave Alerts in O4a

The IceCube Collaboration, R. Abbasi, M. Ackermann +418

Gravitational-wave events from mergers of compact objects are a predicted source of high-energy neutrinos. Using data from the IceCube Neutrino Observatory, we search for neutrinos…

hep-ex2025

Search for Heavy Neutral Leptons with IceCube DeepCore

R. Abbasi, M. Ackermann, J. Adams +421

The observation of neutrino oscillations has established that neutrinos have non-zero masses. This phenomenon is not explained by the Standard Model of particle physics, but one vi…

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

Probing the PeV Region in the Astrophysical Neutrino Spectrum using from the Southern Sky

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

IceCube has observed a diffuse astrophysical neutrino flux over the energy region from a few TeV to a few PeV. At PeV energies, the spectral shape is not yet well measured due to t…

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…

hep-ex2025

Measurement of the inelasticity distribution of neutrino-nucleon interactions for with IceCube DeepCore

IceCube Collaboration, R. Abbasi, M. Ackermann +425

We report a study of the inelasticity distribution in the scattering of neutrinos of energy GeV off nucleons. Using atmospheric muon neutrinos detected in IceCube's sub-ar…

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★ 8 cited

Observation of Cosmic-Ray Anisotropy in the Southern Hemisphere with 12 yr of Data Collected by the IceCube Neutrino Observatory

R. Abbasi, M. Ackermann, J. Adams +434

We analyzed the 7.92 cosmic-ray-induced muon events collected by the IceCube Neutrino Observatory from May 13, 2011, when the fully constructed experiment started t…

astro-ph.HE2024★ 10 cited

Probing the connection between IceCube neutrinos and MOJAVE AGN

R. Abbasi, M. Ackermann, J. Adams +420

Active Galactic Nuclei (AGN) are prime candidate sources of the high-energy, astrophysical neutrinos detected by IceCube. This is demonstrated by the real-time multi-messenger dete…

hep-ex2024★ 7 cited

Search for a light sterile neutrino with 7.5 years of IceCube DeepCore data

R. Abbasi, M. Ackermann, J. Adams +420

We present a search for an eV-scale sterile neutrino using 7.5 years of data from the IceCube DeepCore detector. The analysis uses a sample of 21,914 events with energies between 5…

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…