Search Results - "Alameddine, J. M"
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Evidence for neutrino emission from the nearby active galaxy NGC 1068
Published in Science (American Association for the Advancement of Science) (04-11-2022)“…A supermassive black hole, obscured by cosmic dust, powers the nearby active galaxy NGC 1068. Neutrinos, which rarely interact with matter, could provide…”
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Observation of high-energy neutrinos from the Galactic plane
Published in Science (American Association for the Advancement of Science) (30-06-2023)“…The origin of high-energy cosmic rays, atomic nuclei that continuously impact Earth's atmosphere, is unknown. Because of deflection by interstellar magnetic…”
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Improved Characterization of the Astrophysical Muon–neutrino Flux with 9.5 Years of IceCube Data
Published in The Astrophysical journal (01-03-2022)“…Abstract We present a measurement of the high-energy astrophysical muon–neutrino flux with the IceCube Neutrino Observatory. The measurement uses a high-purity…”
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Searches for Neutrinos from Gamma-Ray Bursts Using the IceCube Neutrino Observatory
Published in The Astrophysical journal (01-11-2022)“…Abstract Gamma-ray bursts (GRBs) are considered as promising sources of ultra-high-energy cosmic rays (UHECRs) due to their large power output. Observing a…”
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IceCube Search for Neutrinos Coincident with Gravitational Wave Events from LIGO/Virgo Run O3
Published in The Astrophysical journal (01-02-2023)“…Abstract Using data from the IceCube Neutrino Observatory, we searched for high-energy neutrino emission from the gravitational-wave events detected by the…”
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Limits on Neutrino Emission from GRB 221009A from MeV to PeV Using the IceCube Neutrino Observatory
Published in Astrophysical journal. Letters (01-03-2023)“…Abstract Gamma-ray bursts (GRBs) have long been considered a possible source of high-energy neutrinos. While no correlations have yet been detected between…”
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Search for Correlations of High-energy Neutrinos Detected in IceCube with Radio-bright AGN and Gamma-Ray Emission from Blazars
Published in The Astrophysical journal (01-09-2023)“…Abstract The IceCube Neutrino Observatory sends realtime neutrino alerts with a high probability of being astrophysical in origin. We present a new method to…”
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Search for quantum gravity using astrophysical neutrino flavour with IceCube
Published in Nature physics (01-11-2022)“…Along their long propagation from production to detection, neutrinos undergo flavour conversions that convert their types or flavours 1 , 2 . High-energy…”
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IceCat-1: The IceCube Event Catalog of Alert Tracks
Published in The Astrophysical journal. Supplement series (01-11-2023)“…Abstract We present a catalog of likely astrophysical neutrino track-like events from the IceCube Neutrino Observatory. IceCube began reporting likely…”
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Constraints on Populations of Neutrino Sources from Searches in the Directions of IceCube Neutrino Alerts
Published in The Astrophysical journal (01-07-2023)“…Abstract Beginning in 2016, the IceCube Neutrino Observatory has sent out alerts in real time containing the information of high-energy ( E ≳ 100 TeV) neutrino…”
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Search for Astrophysical Neutrinos from 1FLE Blazars with IceCube
Published in The Astrophysical journal (01-10-2022)“…Abstract The majority of astrophysical neutrinos have undetermined origins. The IceCube Neutrino Observatory has observed astrophysical neutrinos but has not…”
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Constraining High-energy Neutrino Emission from Supernovae with IceCube
Published in Astrophysical journal. Letters (01-05-2023)“…Abstract Core-collapse supernovae are a promising potential high-energy neutrino source class. We test for correlation between seven years of IceCube neutrino…”
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Observation of Seven Astrophysical Tau Neutrino Candidates with IceCube
Published in Physical review letters (12-04-2024)“…We report on a measurement of astrophysical tau neutrinos with 9.7 yr of IceCube data. Using convolutional neural networks trained on images derived from…”
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Search for Spatial Correlations of Neutrinos with Ultra-high-energy Cosmic Rays
Published in The Astrophysical journal (01-08-2022)“…Abstract For several decades, the origin of ultra-high-energy cosmic rays (UHECRs) has been an unsolved question of high-energy astrophysics. One approach for…”
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Search for Extended Sources of Neutrino Emission in the Galactic Plane with IceCube
Published in The Astrophysical journal (01-10-2023)“…Abstract The Galactic plane, harboring a diffuse neutrino flux, is a particularly interesting target in which to study potential cosmic-ray acceleration sites…”
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Search for Continuous and Transient Neutrino Emission Associated with IceCube’s Highest-energy Tracks: An 11 yr Analysis
Published in The Astrophysical journal (01-03-2024)“…Abstract IceCube alert events are neutrinos with a moderate-to-high probability of having astrophysical origin. In this study, we analyze 11 yr of IceCube data…”
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All-sky Search for Transient Astrophysical Neutrino Emission with 10 Years of IceCube Cascade Events
Published in The Astrophysical journal (01-05-2024)“…Abstract Neutrino flares in the sky are searched for in data collected by IceCube between 2011 and 2021 May. This data set contains cascade-like events…”
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Observation of seasonal variations of the flux of high-energy atmospheric neutrinos with IceCube
Published in The European physical journal. C, Particles and fields (01-09-2023)“…Atmospheric muon neutrinos are produced by meson decays in cosmic-ray-induced air showers. The flux depends on meteorological quantities such as the air…”
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Search for an eV-Scale Sterile Neutrino Using Improved High-Energy ν μ Event Reconstruction in IceCube
Published in Physical review letters (01-11-2024)“…This Letter presents the result of a 3 + 1 sterile neutrino search using 10.7 yr of IceCube data. We analyze atmospheric muon neutrinos that traverse the Earth…”
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Search for Joint Multimessenger Signals from Potential Galactic Cosmic-Ray Accelerators with HAWC and IceCube
Published in The Astrophysical journal (01-11-2024)“…Abstract 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…”
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