activity
20132021
most citedIndications 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

353 citations · 1k across the 18 of their papers we have counts for

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15 papers · 1 filter

astro-ph.HE2021★ 4 cited

Observation of Variations in Cosmic Ray Single Count Rates During Thunderstorms and Implications for Large-Scale Electric Field Changes

R. U. Abbasi, T. Abu-Zayyad, M. Allen +160

We present the first observation by the Telescope Array Surface Detector (TASD) of the effect of thunderstorms on the development of cosmic ray single count rate intensity over a 7…

astro-ph.HE2021★ 11 cited

Indications of a Cosmic Ray Source in the Perseus-Pisces Supercluster

Telescope Array Collaboration, R. U. Abbasi, T. Abu-Zayyad +155

The Telescope Array Collaboration has observed an excess of events with in the data which is centered at (RA, dec) = (, ). This is n…

astro-ph.HE2020★ 21 cited

Measurement of the Proton-Air Cross Section with Telescope Array's Black Rock Mesa and Long Ridge Fluorescence Detectors, and Surface Array in Hybrid Mode

R. U. Abbasi, M. Abe, T. Abu-Zayyad +140

Ultra high energy cosmic rays provide the highest known energy source in the universe to measure proton cross sections. Though conditions for collecting such data are less controll…

astro-ph.HE2019★ 9 cited

Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

R. U. Abbasi, M. Abe, T. Abu-Zayyad +133

We present an upper limit on the flux of ultra-high-energy down-going neutrinos for $E > 10^{18}\ \mbox{eV}$ derived with the nine years of data collected by the Telescope Array su…

astro-ph.HE2018★ 68 cited

Constraints on the diffuse photon flux with energies above eV using the surface detector of the Telescope Array experiment

Telescope Array Collaboration, R. U. Abbasi, M. Abe +139

We present the results of the search for ultra-high-energy photons with nine years of data from the Telescope Array surface detector. A multivariate classifier is built upon 16 rec…

astro-ph.HE2018★ 59 cited

Mass composition of ultra-high-energy cosmic rays with the Telescope Array Surface Detector Data

Telescope Array Collaboration, R. U. Abbasi, M. Abe +139

The results on ultra-high-energy cosmic rays (UHECR) mass composition obtained with the Telescope Array surface detector are presented. The analysis employs the boosted decision tr…