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J. N. Matthews

Louisiana State University · US
Area of research
Nuclear and High Energy Physics
Research interest
Research interests include Astrophysics and Cosmic Phenomena, Dark Matter and Cosmic Phenomena, Neutrino Physics Research, and Particle Detector Development and Performance.
h-index
39
citations
6,853
works
248
NIH funding
primary concept
email

Recent publications

Isotropy of Cosmic Rays beyond <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mn>10</mml:mn><mml:mn>20</mml:mn></mml:msup><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>eV</mml:mi></mml:math> Favors Their Heavy Mass Composition
Physical Review Letters 2024cited by 12position: middledoi
An extremely energetic cosmic ray observed by a surface detector array
Science 2023cited by 74position: middledoi
First High‐Speed Video Camera Observations of a Lightning Flash Associated With a Downward Terrestrial Gamma‐Ray Flash
Geophysical Research Letters 2023cited by 19position: middledoi
The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
The Astrophysical Journal 2021cited by 44position: middledoi
Search for Large-scale Anisotropy on Arrival Directions of Ultra-high-energy Cosmic Rays Observed with the Telescope Array Experiment
The Astrophysical Journal Letters 2020cited by 28position: middledoi
Evidence for a Supergalactic Structure of Magnetic Deflection Multiplets of Ultra-high-energy Cosmic Rays
The Astrophysical Journal 2020cited by 23position: middledoi
Constraints on the diffuse photon flux with energies above 1018 eV using the surface detector of the Telescope Array experiment
Astroparticle Physics 2019cited by 67position: middledoi
Mass composition of ultrahigh-energy cosmic rays with the Telescope Array Surface Detector data
Physical review. D/Physical review. D. 2019cited by 57position: middledoi
The Cosmic Ray Energy Spectrum between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
The Astrophysical Journal 2018cited by 121position: middledoi
Study of muons from ultrahigh energy cosmic ray air showers measured with the Telescope Array experiment
Physical review. D/Physical review. D. 2018cited by 68position: middledoi
The bursts of high energy events observed by the telescope array surface detector
Physics Letters A 2017cited by 50position: middledoi
The energy spectrum of cosmic rays above 1017.2 eV measured by the fluorescence detectors of the Telescope Array experiment in seven years
Astroparticle Physics 2016cited by 80position: middledoi
Search for EeV protons of galactic origin
Astroparticle Physics 2016cited by 39position: middledoi
Measurement of the proton-air cross section with Telescope Array’s Middle Drum detector and surface array in hybrid mode
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology 2015cited by 52position: middledoi
Detection of ultra-high energy cosmic ray showers with a single-pixel fluorescence telescope
Astroparticle Physics 2015cited by 40position: middledoi
INDICATIONS OF INTERMEDIATE-SCALE ANISOTROPY OF COSMIC RAYS WITH ENERGY GREATER THAN 57 EeV IN THE NORTHERN SKY MEASURED WITH THE SURFACE DETECTOR OF THE TELESCOPE ARRAY EXPERIMENT
The Astrophysical Journal Letters 2014cited by 349position: middledoi
Study of Ultra-High Energy Cosmic Ray composition using Telescope Array’s Middle Drum detector and surface array in hybrid mode
Astroparticle Physics 2014cited by 203position: middledoi
Energy spectrum of ultra-high energy cosmic rays observed with the Telescope Array using a hybrid technique
Astroparticle Physics 2014cited by 52position: middledoi
CORRELATIONS OF THE ARRIVAL DIRECTIONS OF ULTRA-HIGH ENERGY COSMIC RAYS WITH EXTRAGALACTIC OBJECTS AS OBSERVED BY THE TELESCOPE ARRAY EXPERIMENT
The Astrophysical Journal 2013cited by 50position: middledoi
Upper limit on the flux of photons with energies above<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mn>10</mml:mn><mml:mn>19</mml:mn></mml:msup><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>eV</mml:mi></mml:math>using the Telescope Array surface detector
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology 2013cited by 50position: middledoi
The surface detector array of the Telescope Array experiment
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2012cited by 396position: middledoi
New air fluorescence detectors employed in the Telescope Array experiment
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2012cited by 275position: middledoi
SEARCH FOR ANISOTROPY OF ULTRAHIGH ENERGY COSMIC RAYS WITH THE TELESCOPE ARRAY EXPERIMENT
The Astrophysical Journal 2012cited by 71position: middledoi
Dethinning extensive air shower simulations
Astroparticle Physics 2012cited by 50position: middledoi
The energy spectrum of Telescope Array’s Middle Drum detector and the direct comparison to the High Resolution Fly’s Eye experiment
Astroparticle Physics 2012cited by 43position: middledoi
Calibration of photomultiplier tubes for the fluorescence detector of telescope array experiment using a Rayleigh scattered laser beam
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2012cited by 24position: middledoi

Grants

Belmont Forum Collaborative Research: Biocultural adaptation of resource management traditions under the effects of climate change
NSF2420470$400,0002024–2027PIRePORTER
Developing Dynamic and Interactive Materials to Teach Computing Systems Concepts to All Students
NSF2141814$112,7522022–2026PIRePORTER
Collaborative Research: Shape-Based Imputation and Estimation of Fragmented, Noisy Curves with Application to the Reconstruction of Fossil Bovid Teeth
NSF2015374$100,0002020–2025PIRePORTER
Collaborative Research: CSinParallel: Experiential Learning of Parallel and Distributed Computing Through Sight, Sound, and Touch
NSF1855761$58,7102019–2022PIRePORTER
Collaborative Research: Statistical Analysis of Partially Observed Shapes in Two Dimensions
NSF1812124$75,0282018–2021PIRePORTER
DISSERTATION RESEARCH: Fish Effects in Stream Ecosystems: A Mechanistic Approach
NSF0308729$6,9802003–2004PIRePORTER
Enhancement of the Undergraduate Curriculum Through Acquisition of a Fourier Transform Nuclear Magnetic Resonance Spectrometer
NSF9352174$83,1091993–1995PIRePORTER
Aquatic Ecology Research Park for the University of Oklahoma Biological Station
NSF9113094$21,7001991–1994PIRePORTER
Effects of Algae-Grazing Fishes on Biotic Communities and Ecosystem Processes in North Temperate Streams
NSF8706046$213,9481987–1991PIRePORTER
Community and Evolutionary Ecology of North American Stream Fishes: A Symposium, Knoxville, Tennessee, June 1985
NSF8417393$28,4401985–1987PIRePORTER
ROA: Effects of an Algae-Grazing Minnow on North Temperate Streams
NSF8307014$70,9481983–1987PIRePORTER
Influences of Physicochemical Tolerance on the ZoogeographicAnd Local Distributions of Freshwater Fish
NSF8023659$71,0001981–1984PIRePORTER
Instructional Scientific Equipment Program
NSF7415464$13,0001974–1976PIRePORTER

Frequent collaborators

Toshihiro Fujii · National Technological University2 papers (2012–2015)D. Ivanov · University of Utah1 papers (2012–2012)B. R. Dawson · Universidade de Santiago de Compostela1 papers (2015–2015)Dušan Mandát · University of Tübingen1 papers (2015–2015)S. B. Thomas · University of Utah1 papers (2015–2015)B. T. Stokes · University of Utah1 papers (2012–2012) · 1 papers (2015–2015) · 1 papers (2015–2015)P. Trávnı́ček · University of California, Berkeley1 papers (2015–2015)H. Sagawa · University of California, Santa Cruz1 papers (2012–2012)N. Sakurai · Tokushima College of Technology1 papers (2012–2012)Jiaqi Jiang · West Anhui University1 papers (2015–2015) · 1 papers (2015–2015) · 1 papers (2012–2012)Pavel Motloch · University of Toronto1 papers (2015–2015)M. Palatka · University of Tübingen1 papers (2015–2015)K. Yamazaki · University of California, Santa Cruz1 papers (2015–2015) · 1 papers (2015–2015)S. Ogio · University of California, Santa Cruz1 papers (2012–2012)M. Pech · University of Tübingen1 papers (2015–2015)