601 citations · 4k across the 156 of their papers we have counts for
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Sterile-active resonance: A global qualitative picture
Mark Brettell, Ivan Martinez-Soler, Hisakazu Minakata
In the SM extended by adding an eV-scale sterile state, the model, the sterile-active level crossing entails the MSW resonance, here referred as the sterile-active (SA)…
NuFit-6.0: Updated global analysis of three-flavor neutrino oscillations
Ivan Esteban, M. C. Gonzalez-Garcia, Michele Maltoni +3
We present an updated global analysis of neutrino oscillation data as of September 2024. The parameters , , , and () are wel…
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…
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…
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…
IceCube Search for Neutrino Emission from X-ray Bright Seyfert Galaxies
R. Abbasi, M. Ackermann, J. Adams +421
The recent IceCube detection of TeV neutrino emission from the nearby active galaxy NGC 1068 suggests that active galactic nuclei (AGN) could make a sizable contribution to the dif…
Pseudo-Dirac Neutrinos and Relic Neutrino Matter Effect on the High-energy Neutrino Flavor Composition
P. S. Bhupal Dev, Pedro A. N. Machado, Ivan Martinez-Soler
We show that if neutrinos are pseudo-Dirac, they can potentially affect the flavor ratio predictions for the high-energy astrophysical neutrino flux observed by IceCube. In this co…
Exploration of mass splitting and muon/tau mixing parameters for an eV-scale sterile neutrino with IceCube
R. Abbasi, M. Ackermann, J. Adams +421
We present the first three-parameter fit to a 3+1 sterile neutrino model using 7.634 years of data from the IceCube Neutrino Observatory on charged-current inter…
Resonant Neutrino Flavor Conversion in the Atmosphere
Connor Sponsler, Matheus Hostert, Ivan Martinez-Soler +1
Neutrinos produced in the atmosphere traverse a column density of air before being detected at neutrino observatories like IceCube or KM3NeT. In this work, we extend the neutrino f…
Improving Neutrino Energy Reconstruction with Machine Learning
Joachim Kopp, Pedro Machado, Margot MacMahon +1
Faithful energy reconstruction is foundational for precision neutrino experiments like DUNE, but is hindered by uncertainties in our understanding of neutrino--nucleus interactions…
Methods and stability tests associated with the sterile neutrino search using improved high-energy event reconstruction in IceCube
IceCube Collaboration, R. Abbasi, M. Ackermann +419
We provide supporting details for the search for a 3+1 sterile neutrino using data collected over eleven years at the IceCube Neutrino Observatory. The analysis uses atmospheric mu…
A search for an eV-scale sterile neutrino using improved high-energy event reconstruction in IceCube
IceCube Collaboration, R. Abbasi, M. Ackermann +419
This Letter presents the result of a 3+1 sterile neutrino search using 10.7 years of IceCube data. We analyze atmospheric muon neutrinos that traverse the Earth with energies rangi…
Search for joint multimessenger signals from potential galactic cosmic-ray accelerators with HAWC and IceCube
R. Alfaro, C. Alvarez, J. C. Arteaga-Velázquez +489
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 energies. The high-energy cos…
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…
Acceptance Tests of more than 10 000 Photomultiplier Tubes for the multi-PMT Digital Optical Modules of the IceCube Upgrade
R. Abbasi, M. Ackermann, J. Adams +420
More than 10,000 photomultiplier tubes (PMTs) with a diameter of 80 mm will be installed in multi-PMT Digital Optical Modules (mDOMs) of the IceCube Upgrade. These have been tested…
Probing the Cosmic Neutrino Background and New Physics with TeV-Scale Astrophysical Neutrinos
Jack Franklin, Ivan Martinez-Soler, Yuber F. Perez-Gonzalez +1
We use recent evidence of TeV neutrino events from the most significant astrophysical sources detected by IceCube -- NGC 1068, TXS 0506+056, PKS 1424+240 -- to constrain the local…
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…
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…
Status and plans for the instrumentation of the IceCube Surface Array Enhancement
S. Shefali, Frank G. Schroeder
The surface array of IceCube, IceTop, operates primarily as a cosmic-ray detector, as well as a veto for astrophysical neutrino searches for the IceCube in-ice instrumentation. How…
Boosting Neutrino Mass Ordering Sensitivity with Inelasticity for Atmospheric Neutrino Oscillation Measurement
Santiago Giner Olavarrieta, Miaochen Jin, Carlos A. Argüelles +2
In this letter, we study the potential of boosting the atmospheric neutrino experiments sensitivity to the neutrino mass ordering (NMO) sensitivity by incorporating inelasticity me…
Citizen Science for IceCube: Name that Neutrino
R. Abbasi, M. Ackermann, J. Adams +412
Name that Neutrino is a citizen science project where volunteers aid in classification of events for the IceCube Neutrino Observatory, an immense particle detector at the geographi…