Steven W. Barwick

Steven W. Barwick

Professor, Department of Physics and Astronomy, UC Irvine, CA

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Biography

Steven W. Barwick is a Professor in the Department of Physics and Astronomy at the University of California, Irvine. He completed his Ph.D. in Physics at the University of California, Berkeley, in 1986, after earning a B.S. in Physics from the Massachusetts Institute of Technology in 1981. Barwick has been a faculty member at UC Irvine since 1990, following his tenure as a Postdoctoral Researcher at UC Berkeley from 1986 to 1990.

Barwick’s research is centered on high-energy neutrino astrophysics, with an emphasis on developing innovative instrumentation for detecting neutrino-induced radio pulses. His work involves creating advanced trigger systems based on artificial intelligence to enhance the performance of remote detectors. Barwick has contributed significantly to over 500 peer-reviewed articles, including studies published in leading journals like Nature Physics and Physical Review Letters. His research projects have received funding from the National Science Foundation and other institutions, focusing on neutrino detection and radio-based observation techniques. Barwick was honored as a Fellow of the American Physical Society in 2002 and served on the Executive Board of its Division of Astrophysics in 2008.

At UC Irvine, Barwick is involved in teaching both undergraduate and graduate courses in physics and astronomy. He has been recognized for his teaching contributions with the UCI Teaching Excellence Award from the School of Physical Sciences in 2009. Barwick actively participates in university committees, having served as Vice-Chair of Undergraduate Studies and chaired various committees related to admissions and faculty evaluations. Additionally, he contributes to the scientific community by serving on committees such as the IUPAP Neutrino Panel and as an editor for journals like the Journal of Astroparticle Physics.

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Degrees

  • Ph.D. in Physics, University of California, Berkeley, CA, 1986
  • B.S. in Physics, Massachusetts Institute of Technology, Cambridge, MA, 1981

Distinctions

  • Fellow of American Physical Society, 2002
  • Elected to Executive Board of Division of Astrophysics in the American Physical Society, 2008
  • UCI Teaching Excellence Award, School of Physical Sciences, 2009
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Areas of Expertise

  • High Energy Neutrino Astrophysics
  • Neutrino-induced Radio Pulses
  • Artificial Intelligence Trigger Systems
  • IceCube Neutrino Observatory
  • High Energy Particle Physics
  • Cosmic Ray Detection
  • Astrophysical Neutrino Emission
  • Novel Instrumentation
  • Experimental Particle Physics
  • Neutrino Astronomy

Recent Publications

  • IceCube Collaboration, “Search for Galactic Core-collapse Supernovae in a Decade of Data Taken with the IceCube Neutrino Observatory”, Astrophys.J., vol. 961, no. 1, pp. 84, 2024.
  • ARIANNA Collaboration, “Developing New Analysis Tools for Near Surface Radio-based Neutrino Detectors”, JCAP, vol. 10, pp. 060, 2023.
  • IceCube Collaboration, “Search for Extended Sources of Neutrino Emission in the Galactic Plane with IceCube”, Astrophys. J., vol. 956, pp. 20, 2023.
  • IceCube Collaboration, “Observation of high-energy neutrinos from the Galactic plane”, Science, vol. 380, no. 6652, 2023.
  • IceCube Collaboration, “Search for Correlations of High-energy Neutrinos Detected in IceCube with Radio-bright AGN and Gamma-Ray Emission from Blazars”, Astrophys.J., vol. 954, no. 1, pp. 75, 2023.
  • IceCube Collaboration, “Measurement of atmospheric neutrino mixing with improved IceCube DeepCore calibration and data processing”, Phys.Rev.D, vol. 108, no. 1, pp. 012014, 2023.
  • IceCube Collaboration, “Observation of seasonal variations of the flux of high-energy atmospheric neutrinos with IceCube”, Eur.Phys.J.C, vol. 83, no. 9, pp. 777, 2023.
  • IceCube Collaboration, “Constraining High-energy Neutrino Emission from Supernovae with IceCube”, Astrophys.J.Lett., vol. 949, no. 1, pp. L12, 2023.
  • “Triboelectric backgrounds to radio-based polar ultra-high energy neutrino (UHEN) experiments”, Astropart.Phys., vol. 145, pp. 102790, 2023.
  • IceCube Collaboration, “Limits on Neutrino Emission from GRB 221009A from MeV to PeV Using the IceCube Neutrino Observatory”, Astrophys.J.Lett., vol. 946, no. 1, pp. L26, 2023.
  • IceCube Collaboration, “D-Egg: a dual PMT optical module for IceCube”, JINST, vol. 18, no. 04, pp. P04014, 2023.
  • IceCube Collaboration, “A Search for Coincident Neutrino Emission from Fast Radio Bursts with Years of IceCube Cascade Events”, Astrophys.J., vol. 946, no. 2, pp. 80, 2023.
  • IceCube Collaboration, “Search for sub-TeV Neutrino Emission from Novae with IceCube- DeepCore”, Astrophys.J., vol. 953, no. 2, pp. 160, 2023.
  • IceCube Collaboration, “Cosmic-Ray Composition analysis at IceCube using Graph Neural Networks”, ECRS, vol. 2023, pp. 085, 2023.
  • IceCube Collaboration, “Searches for Neutrinos from Large High Altitude Air Shower Observatory γ-Ray Sources Using the IceCube Neutrino Observatory”, Astrophys.J.Lett., vol. 945, no. 1, pp. L8, 2023.
  • IceCube Collaboration, “Constraints on Populations of Neutrino Sources from Searches in the Directions of IceCube Neutrino Alerts”, Astrophys.J., vol. 951, no. 1, pp. 45, 2023.
  • IceCube Collaboration, “IceCube Search for Neutrinos Coincident with Gravitational Wave Events from LIGO/Virgo Run O3”, Astrophys.J., vol. 944, no. 1, pp. 80, 2023.
  • ARIANNA Collaboration, “Deep-learning-based reconstruction of the neutrino direction and energy for in-ice radio detectors”, Astropart.Phys., vol. 145, pp. 102781, 2023.
  • IceCube Collaboration, “Searches for connections between dark matter and high-energy neutrinos with IceCube”, JCAP, vol. 10, pp. 003, 2023.
  • IceCube Collaboration, “Evidence for neutrino emission from the nearby active galaxy NGC 1068”, Science, vol. 378, no. 6619, pp. 538-543, 2022.
  • IceCube Collaboration, “Graph Neural Networks for low-energy event classification & reconstruction in IceCube”, JINST, vol. 17, no. 11, pp. P11003, 2022.
  • TAROGE and ARIANNA Collaborations, “TAROGE-M: radio antenna array on antarctic high mountain for detecting near-horizontal ultra-high energy air showers”, JCAP, vol. 11, pp. 022, 2022.
  • IceCube Collaboration, “Search for Astrophysical Neutrinos from 1FLE Blazars with IceCube”, Astrophys.J., vol. 938, no. 1, pp. 38, 2022.
  • IceCube Collaboration, “Searching for High-energy Neutrino Emission from Galaxy Clusters with IceCube”, Astrophys.J.Lett., vol. 938, no. 2, pp. L11, 2022.
  • IceCube and Fermi Gamma-ray Burst Monitor Collaborations, “Searches for Neutrinos from Gamma-Ray Bursts Using the IceCube Neutrino Observatory”, Astrophys.J., vol. 939, no. 2, pp. 116, 2022.
  • IceCube Collaboration, “Framework and tools for the simulation and analysis of the radio emission from air showers at IceCube”, JINST, vol. 17, no. 06, pp. P06026, 2022.
  • IceCube Collaboration, “Search for Unstable Sterile Neutrinos with the IceCube Neutrino Observatory”, Phys.Rev.Lett., vol. 129, no. 15, 2022.
  • IceCube Collaboration, “Search for High-energy Neutrino Emission from Galactic X-Ray Binaries with IceCube”, Astrophys.J.Lett., vol. 930, no. 2, pp. L24, 2022.
  • IceCube Collaboration, “Density of GeV muons in air showers measured with IceTop”, Phys.Rev.D, vol. 106, no. 3, pp. 032010, 2022.
  • IceCube and Pierre Auger and Telescope Array and Auger and ANTARES Collaborations, “Search for Spatial Correlations of Neutrinos with Cosmic Rays”, Astrophys.J., vol. 934, no. 2, pp. 164, 2022.
  • IceCube Collaboration, “Strong Constraints on Neutrino Nonstandard Interactions from TeV-Scale $ u_u$ Disappearance at IceCube”, Phys.Rev.Lett., vol. 129, no. 1, 2022.
  • Arianna Collaboration, “Improving sensitivity of the ARIANNA detector by rejecting thermal noise with deep learning”, JINST, vol. 17, no. 03, pp. P03007, 2022.
  • Arianna Collaboration, “Measuring the polarization reconstruction resolution of the ARIANNA neutrino detector with cosmic rays”, JCAP, vol. 04, pp. 022, 2022.
  • IceCube Collaboration, “Improved Characterization of the Astrophysical Muon–neutrino Flux with 9.5 Years of IceCube Data”, Astrophys.J., vol. 928, no. 1, pp. 50, 2022.
  • IceCube Collaboration, “Search for neutrino emission from cores of active galactic nuclei”, Phys.Rev.D, vol. 106, no. 2, pp. 022005, 2022.
  • IceCube Collaboration, “Search for GeV-scale dark matter annihilation in the Sun with IceCube DeepCore”, Phys.Rev.D, vol. 105, no. 6, pp. 062004, 2022.
  • IceCube Collaboration, “Search for quantum gravity using astrophysical neutrino flavour with IceCube”, Nature Phys., vol. 18, no. 11, pp. 1287-1292, 2022.
  • IceCube Collaboration, “Search for Relativistic Magnetic Monopoles with Eight Years of IceCube Data”, Phys.Rev.Lett., vol. 128, no. 5, pp. 051101, 2022.
  • IceCube Collaboration, “First all-flavor search for transient neutrino emission using 3-years of IceCube DeepCore data”, JCAP, vol. 01, pp. 027, 2022.
  • IceCube Collaboration, “Detection of astrophysical tau neutrino candidates in IceCube”, Eur.Phys.J.C, vol. 82, no. 11, pp. 1031, 2022.
  • IceCube Collaboration, “Search for Multi-flare Neutrino Emissions in 10 yr of IceCube Data from a Catalog of Sources”, Astrophys.J.Lett., vol. 920, no. 2, pp. L45, 2021.
  • IceCube Collaboration, “All-flavor constraints on nonstandard neutrino interactions and generalized matter potential with three years of IceCube DeepCore data”, Phys.Rev.D, vol. 104, no. 7, pp. 072006, 2021.
  • IceCube Collaboration, “Detection of a particle shower at the Glashow resonance with IceCube”, Nature, vol. 591, no. 7849, pp. 220-224, 2021.
  • IceCube Collaboration, “A muon-track reconstruction exploiting stochastic losses for large-scale Cherenkov detectors”, JINST, vol. 16, no. 08, pp. P08034, 2021.
  • IceCube Collaboration, “A Convolutional Neural Network based Cascade Reconstruction for the IceCube Observatory”, JINST, vol. 16, pp. P07041, 2021.
  • IceCube Collaboration, “A Search for Time-dependent Astrophysical Neutrino Emission with IceCube Data from 2012 to 2017”, Astrophys.J., vol. 911, no. 1, pp. 67, 2021.
  • Christian Glaser, Steven W. Barwick, “An improved trigger for Askaryan radio”, JINST, vol. 16, no. 05, pp. T05001, 2021.
  • IceCube Collaboration, “The IceCube high-energy starting event sample: Description and flux characterization with 7.5 years of data”, Phys.Rev.D, vol. 104, pp. 022002, 2021.
  • IceCube Collaboration, “Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube”, 2021.
  • HAWC and IceCube Collaborations, AMON Team, “Multimessenger Gamma-Ray and Neutrino Coincidence Alerts Using HAWC and IceCube Subthreshold Data”, Astrophys.J., vol. 906, pp. 63, 2021.
  • IceCube Collaboration, “Measurements of the time-dependent cosmic-ray Sun shadow with seven years of IceCube data: Comparison with the Solar cycle and magnetic field models”, Phys.Rev.D, vol. 103, no. 4, pp. 042005, 2021.
  • IceCube Collaboration, “Cosmic ray spectrum from 250 TeV to 10 PeV using IceTop”, Phys.Rev.D, vol. 102, pp. 122001, 2020.
  • ARIANNA Collaboration, “Probing the angular and polarization reconstruction of the ARIANNA detector at the South Pole”, JINST, vol. 15, no. 09, pp. P09039, 2020.
  • IceCube Collaboration, “Searching for eV-scale sterile neutrinos with eight years of atmospheric neutrinos at the IceCube Neutrino Telescope”, Phys.Rev.D, vol. 102, no. 5, pp. 052009, 2020.
  • IceCube Collaboration, “eV-Scale Sterile Neutrino Search Using Eight Years of Atmospheric Muon Neutrino Data from the IceCube Neutrino Observatory”, Phys.Rev.Lett., vol. 125, no. 14, pp. 141801, 2020.
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Most Cited Publications

  • IceCube Collaboration, “Acceptance Tests of more than 10 000 Photomultiplier Tubes for the multi- PMT Digital Optical Modules of the IceCube Upgrade”, JINST, vol. 19, no. 07, pp. P07038, 2024.
  • IceCube Collaboration, “Search for decoherence from quantum gravity with atmospheric neutrinos”, Nature Phys., vol. 20, no. 6, pp. 913-920, 2024.
  • IceCube Collaboration, “Observation of Seven Astrophysical Tau Neutrino Candidates with IceCube”, Phys.Rev.Lett., vol. 132, no. 15, pp. 15, 2024.
  • IceCube Collaboration, “Improved modeling of in-ice particle showers for IceCube event reconstruction”, JINST, vol. 19, no. 06, pp. P06026, 2024.
  • IceCube Collaboration, “Characterization of the astrophysical diffuse neutrino flux using starting track events in IceCube”, Phys.Rev.D, vol. 110, no. 2, pp. 022001, 2024.
  • IceCube Collaboration, “Citizen science for IceCube: Name that Neutrino”, Eur.Phys.J.Plus, vol. 139, no. 6, pp. 533, 2024.
  • IceCube Collaboration, “In situ estimation ice crystal properties at the South Pole using LED calibration data from the IceCube Neutrino Observatory”, The Cryosphere, vol. 18, no. 1, pp. 75-102, 2024.
  • IceCube Collaboration, “Search for 10–1000 GeV Neutrinos from Gamma-Ray Bursts with IceCube”, Astrophys.J., vol. 971, no. 2, pp. 193, 2024.
  • IceCube Collaboration, “All-sky Search for Transient Astrophysical Neutrino Emission with 10 Years of IceCube Cascade Events”, Astrophys.J., vol. 967, no. 1, pp. 48, 2024.
  • IceCube Collaboration, “Search for Continuous and Transient Neutrino Emission Associated with IceCube’s Highest-energy Tracks: An 11 yr Analysis”, Astrophys.J., vol. 964, no. 1, pp. 40, 2024.
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Contact Information

Website: https://www.physics.uci.edu/people/steven-w-barwick

Email: sbarwick@uci.edu

Address: Department of Physics and Astronomy, 2129 Frederick Reines Hall, UC Irvine, CA 92697-4575

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This profile was last updated on 2/14/2025.

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