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

65 citations · 391 across the 48 of their papers we have counts for

collaborators

61 papers

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…

hep-ph2026

Constraints on long-range neutrino interactions from a variety of symmetries using atmospheric neutrinos at IceCube DeepCore

Gopal Garg, J Krishnamoorthi, Anil Kumar +1

Neutrino oscillation experiments provide a unique probe to search for the physics beyond the Standard Model. In this work, we search for a broad class of anomaly-free flavor-depend…

hep-ph2026

-free constraints on NSI parameters and using high-purity CC events at IceCube DeepCore

J Krishnamoorthi, Anil Kumar, Sanjib Kumar Agarwalla

Atmospheric neutrinos provide a unique avenue to probe theories beyond the Standard Model (BSM) over a wide range of energies and path lengths. The theory of nonstandard interactio…

astro-ph.HE2026

Evidence for neutrino emission from X-ray Bright Seyfert Galaxies in the Southern Hemisphere using Enhanced Starting Track Events with IceCube

R. Abbasi, M. Ackermann, J. Adams +428

IceCube recently reported the observation of TeV neutrinos from the nearby Seyfert galaxy NGC~1068, and the corresponding neutrino flux is significantly higher than the upper limit…

hep-ph2026

Exploring Layered Structure Inside Earth Using Atmospheric Neutrino Oscillation at IceCube DeepCore

J Krishnamoorthi

The IceCube detector, using its densely instrumented center, called DeepCore, can detect multi-GeV atmospheric neutrinos. The oscillation pattern of neutrinos is altered due to int…

astro-ph.HE2026

Deep Search for Joint Sources of Gravitational Waves and High-Energy Neutrinos with IceCube During the Third Observing Run of LIGO and Virgo

The IceCube Collaboration, R. Abbasi, M. Ackermann +2209

The discovery of joint sources of high-energy neutrinos and gravitational waves has been a primary target for the LIGO, Virgo, KAGRA, and IceCube observatories. The joint detection…

hep-ph2026

First Constraints on Long-Range Neutrino Interactions using IceCube DeepCore

Gopal Garg, J Krishnamoorthi, Anil Kumar +1

We present the first search for new flavor-dependent long-range interactions (LRI) of neutrinos using publicly available 8 years of high-purity CC data from IceCube DeepCore.…

hep-ph2025

Stringent constraints on nonstandard neutrino interactions using high-purity CC events in IceCube DeepCore

J Krishnamoorthi, Anil Kumar, Sanjib Kumar Agarwalla

The neutral-current (NC) nonstandard interactions (NSIs) of neutrinos with fermions can modify the flavor oscillations of atmospheric neutrinos as they propagate through the Earth.…

astro-ph.HE2025

Constraining the Prompt Atmospheric Neutrino Flux Combining IceCube's Cascade and Track Samples

R. Abbasi, M. Ackermann, J. Adams +428

The IceCube Neutrino Observatory has observed a diffuse flux of high-energy astrophysical neutrinos for more than a decade. A relevant background to the astrophysical flux is promp…

astro-ph.HE2025

Limits on GeV-scale WIMP Annihilation in Dwarf Spheroidals with IceCube DeepCore

R. Abbasi, M. Ackermann, J. Adams +428

Dark matter is approximately five times more abundant than baryonic matter in the universe, but its physical nature continues to elude physicists. One potential candidate for dark…

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

Characterization of the Three-Flavor Composition of Cosmic Neutrinos with IceCube

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

Neutrinos oscillate over cosmic distances. Using 11.4 years of IceCube data, the flavor composition of the all-sky neutrino flux from 5\,TeV--10\,PeV is studied. We report the firs…

astro-ph.HE2025

Constraints on the Correlation of IceCube Neutrinos with Tracers of Large-Scale Structure

R. Abbasi, M. Ackermann, J. Adams +430

The IceCube Neutrino Observatory has observed extragalactic astrophysical neutrinos with an apparently isotropic distribution. Only a small fraction of the observed astrophysical n…

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…

hep-ex2025

Limiting the Parameter Space for Unstable eV-scale Neutrinos Using IceCube Data

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

This Letter extends a recent IceCube sterile neutrino search to include unstable sterile neutrinos within the context of a model termed 3+1+Decay, which expands upon the 3+1 model…

astro-ph.IM2025

The LED calibration systems for the mDOM and D-Egg sensor modules of the IceCube Upgrade

R. Abbasi, M. Ackermann, J. Adams +432

The IceCube Neutrino Observatory, instrumenting about 1 km of deep, glacial ice at the geographic South Pole, is due to be enhanced with the IceCube Upgrade. The IceCube Upgrad…

hep-ex2025

Identification and Denoising of Radio Signals from Cosmic-Ray Air Showers using Convolutional Neural Networks

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

Radio pulses generated by cosmic-ray air showers can be used to reconstruct key properties like the energy and depth of the electromagnetic component of cosmic-ray air showers. Rad…

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…

hep-ex2025

Search for High-Energy Neutrinos From the Sun Using Ten Years of IceCube Data

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

In this Letter, we present the results of a search for high-energy neutrinos produced by the annihilation of dark matter particles trapped in the Sun. Using 9.3 and 10.4 years of d…

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★ 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★ 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…