Publications (48)
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…
D-Egg: a Dual PMT Optical Module for IceCube
R. Abbasi, M. Ackermann, J. Adams +389
The D-Egg, an acronym for ``Dual optical sensors in an Ellipsoid Glass for Gen2,'' is one of the optical modules designed for future extensions of the IceCube experiment at the Sou…
Searches for Neutrinos from Gamma-Ray Bursts using the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +378
Gamma-ray bursts (GRBs) are considered as promising sources of ultra-high-energy cosmic rays (UHECRs) due to their large power output. Observing a neutrino flux from GRBs would off…
Density of GeV muons in air showers measured with IceTop
R. Abbasi, M. Ackermann, J. Adams +376
We present a measurement of the density of GeV muons in near-vertical air showers using three years of data recorded by the IceTop array at the South Pole. Depending on the shower…
A search for time-dependent astrophysical neutrino emission with IceCube data from 2012 to 2017
IceCube Collaboration, R. Abbasi, M. Ackermann +361
High-energy neutrinos are unique messengers of the high-energy universe, tracing the processes of cosmic-ray acceleration. This paper presents analyses focusing on time-dependent n…
Detection of a particle shower at the Glashow resonance with IceCube
IceCube Collaboration, M. G. Aartsen, R. Abbasi +382
The Glashow resonance describes the resonant formation of a boson during the interaction of a high-energy electron antineutrino with an electron, peaking at an antineutrino e…
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…
A Convolutional Neural Network based Cascade Reconstruction for the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +364
Continued improvements on existing reconstruction methods are vital to the success of high-energy physics experiments, such as the IceCube Neutrino Observatory. In IceCube, further…
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…
Search for multi-flare neutrino emissions in 10 years of IceCube data from a catalog of sources
IceCube collaboration, R. Abbasi, M. Ackermann +375
A recent time-integrated analysis of a catalog of 110 candidate neutrino sources revealed a cumulative neutrino excess in the data collected by IceCube between April 6, 2008 and Ju…
A search for neutrino emission from cores of Active Galactic Nuclei
R. Abbasi, M. Ackermann, J. Adams +376
The sources of the majority of the high-energy astrophysical neutrinos observed with the IceCube neutrino telescope at the South Pole are unknown. So far, only a gamma-ray blazar w…
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…
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…
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…
Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube
R. Abbasi, M. Ackermann, J. Adams +361
The flux of high-energy neutrinos passing through the Earth is attenuated due to their interactions with matter. The interaction rate is modulated by the neutrino interaction cross…
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…
Detection of astrophysical tau neutrino candidates in IceCube
R. Abbasi, M. Ackermann, J. Adams +361
High-energy tau neutrinos are rarely produced in atmospheric cosmic-ray showers or at cosmic particle accelerators, but are expected to emerge during neutrino propagation over cosm…
Measurements of the Time-Dependent Cosmic-Ray Sun Shadow with Seven Years of IceCube Data -- Comparison with the Solar Cycle and Magnetic Field Models
M. G. Aartsen, R. Abbasi, M. Ackermann +376
Observations of the time-dependent cosmic-ray Sun shadow have been proven as a valuable diagnostic for the assessment of solar magnetic field models. In this paper, seven years of…
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 GeV-scale Dark Matter Annihilation in the Sun with IceCube DeepCore
R. Abbasi, M. Ackermann, J. Adams +376
The Sun provides an excellent target for studying spin-dependent dark matter-proton scattering due to its high matter density and abundant hydrogen content. Dark matter particles f…
Search for neutrino lines from dark matter annihilation and decay with IceCube
The IceCube Collaboration, R. Abbasi, M. Ackermann +393
Dark Matter particles in the Galactic Center and halo can annihilate or decay into a pair of neutrinos producing a monochromatic flux of neutrinos. The spectral feature of this sig…
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…
Search for High-Energy Neutrinos from Ultra-Luminous Infrared Galaxies with IceCube
IceCube Collaboration, R. Abbasi, M. Ackermann +378
Ultra-luminous infrared galaxies (ULIRGs) have infrared luminosities , making them the most luminous objects in the infrared sky. These dust…
Search for Relativistic Magnetic Monopoles with Eight Years of IceCube Data
IceCube Collaboration, R. Abbasi, M. Ackermann +380
We present an all-sky 90\% confidence level upper limit on the cosmic flux of relativistic magnetic monopoles using 2886 days of IceCube data. The analysis was optimized for monopo…
IceCube Data for Neutrino Point-Source Searches Years 2008-2018
IceCube Collaboration, R. Abbasi, M. Ackermann +370
IceCube has performed several all-sky searches for point-like neutrino sources using track-like events, including a recent time-integrated analysis using 10 years of IceCube data.…
First Search for Unstable Sterile Neutrinos with the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +380
We present a search for an unstable sterile neutrino by looking for a matter-induced signal in eight years of atmospheric data collected from 2011 to 2019 at the IceCube Ne…
A muon-track reconstruction exploiting stochastic losses for large-scale Cherenkov detectors
R. Abbasi, M. Ackermann, J. Adams +362
IceCube is a cubic-kilometer Cherenkov telescope operating at the South Pole. The main goal of IceCube is the detection of astrophysical neutrinos and the identification of their s…
The IceCube high-energy starting event sample: Description and flux characterization with 7.5 years of data
R. Abbasi, M. Ackermann, J. Adams +362
The IceCube Neutrino Observatory has established the existence of a high-energy all-sky neutrino flux of astrophysical origin. This discovery was made using events interacting with…
LeptonInjector and LeptonWeighter: A neutrino event generator and weighter for neutrino observatories
R. Abbasi, M. Ackermann, J. Adams +362
We present a high-energy neutrino event generator, called LeptonInjector, alongside an event weighter, called LeptonWeighter. Both are designed for large-volume Cherenkov neutrino…
Search for GeV Neutrino Emission During Intense Gamma-Ray Solar Flares with the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +364
Solar flares convert magnetic energy into thermal and non-thermal plasma energy, the latter implying particle acceleration of charged particles such as protons. Protons are injecte…
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…
Improved Characterization of the Astrophysical Muon-Neutrino Flux with 9.5 Years of IceCube Data
R. Abbasi, M. Ackermann, J. Adams +376
We present a measurement of the high-energy astrophysical muon-neutrino flux with the IceCube Neutrino Observatory. The measurement uses a high-purity selection of ~650k neutrino-i…
The IceCube Collaboration -- Contributions to the 37th International Cosmic Ray Conference (ICRC2021)
IceCube Collaboration, R. Abbasi, M. Ackermann +378
This list of contributions to the 37th International Cosmic Ray Conference in Berlin, Germany (12-23 July 2021) summarizes the latest results from the IceCube Neutrino Observatory.…
Multimessenger Gamma-Ray and Neutrino Coincidence Alerts using HAWC and IceCube sub-threshold Data
H. A. Ayala Solares, S. Coutu, J. J. DeLaunay +446
The High Altitude Water Cherenkov (HAWC) and IceCube observatories, through the Astrophysical Multimessenger Observatory Network (AMON) framework, have developed a multimessenger j…
Search for Quantum Gravity Using Astrophysical Neutrino Flavour with IceCube
R. Abbasi, M. Ackermann, J. Adams +378
Along their long propagation from production to detection, neutrino states undergo quantum interference which converts their types, or flavours. High-energy astrophysical neutrinos…
Searching for High-Energy Neutrino Emission from Galaxy Clusters with IceCube
R. Abbasi, M. Ackermann, J. Adams +378
Galaxy clusters have the potential to accelerate cosmic rays (CRs) to ultra-high energies via accretion shocks or embedded CR acceleration sites. CRs with energies below the Hillas…
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…
Graph Neural Networks for Low-Energy Event Classification & Reconstruction in IceCube
R. Abbasi, M. Ackermann, J. Adams +380
IceCube, a cubic-kilometer array of optical sensors built to detect atmospheric and astrophysical neutrinos between 1 GeV and 1 PeV, is deployed 1.45 km to 2.45 km below the surfac…
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…
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…
The IceCube-Gen2 Collaboration -- Contributions to the 37th International Cosmic Ray Conference (ICRC2021)
Gen2 Collaboration, R. Abbasi, M. Ackermann +437
IceCube-Gen2 is a planned extension of the IceCube Neutrino Observatory at the South Pole. The extension is optimized to search for sources of astrophysical neutrinos from TeV to E…
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…
IceCube-Gen2: The Window to the Extreme Universe
Gen2 Collaboration, M. G. Aartsen, R. Abbasi +431
The observation of electromagnetic radiation from radio to -ray wavelengths has provided a wealth of information about the universe. However, at PeV (10 eV) energies and…
Follow-up of astrophysical transients in real time with the IceCube Neutrino Observatory
R. Abbasi, M. Ackermann, J. Adams +360
In multi-messenger astronomy, rapid investigation of interesting transients is imperative. As an observatory with a 4 steradian field of view and 99\% uptime, the IceCube…
All-flavor constraints on nonstandard neutrino interactions and generalized matter potential with three years of IceCube DeepCore data
IceCube Collaboration, R. Abbasi, M. Ackermann +370
We report constraints on nonstandard neutrino interactions (NSI) from the observation of atmospheric neutrinos with IceCube, limiting all individual coupling strengths from a singl…
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…
Low Energy Event Reconstruction in IceCube DeepCore
R. Abbasi, M. Ackermann, J. Adams +381
The reconstruction of event-level information, such as the direction or energy of a neutrino interacting in IceCube DeepCore, is a crucial ingredient to many physics analyses. Algo…
First all-flavor search for transient neutrino emission using 3-years of IceCube DeepCore data
R. Abbasi, M. Ackermann, J. Adams +359
Since the discovery of a flux of high-energy astrophysical neutrinos, searches for their origins have focused primarily at TeV-PeV energies. Compared to sub-TeV searches, high-ener…