Search Results - "Belz, J. W."
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SEARCH FOR ANISOTROPY OF ULTRAHIGH ENERGY COSMIC RAYS WITH THE TELESCOPE ARRAY EXPERIMENT
Published in The Astrophysical journal (20-09-2012)“…We study the anisotropy of Ultra-High Energy Cosmic Ray (UHECR) events collected by the Telescope Array (TA) detector in the first 40 months of operation…”
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CORRELATIONS OF THE ARRIVAL DIRECTIONS OF ULTRA-HIGH ENERGY COSMIC RAYS WITH EXTRAGALACTIC OBJECTS AS OBSERVED BY THE TELESCOPE ARRAY EXPERIMENT
Published in The Astrophysical journal (10-11-2013)“…We search for correlations between the positions of extragalactic objects and the arrival directions of ultra-high energy cosmic rays (UHECRs) with primary…”
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Measurement of pressure dependent fluorescence yield of air: Calibration factor for UHECR detectors
Published in Astroparticle physics (01-03-2006)“…In a test experiment at the Final Focus Test Beam of the Stanford Linear Accelerator Center, the fluorescence yield of 28.5 GeV electrons in air and nitrogen…”
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A NORTHERN SKY SURVEY FOR POINT-LIKE SOURCES OF EeV NEUTRAL PARTICLES WITH THE TELESCOPE ARRAY EXPERIMENT
Published in The Astrophysical journal (10-05-2015)“…ABSTRACT We report on the search for steady point-like sources of neutral particles around 1018 eV between 2008 and 2013 May with the scintillator SD of the…”
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The Detection of UHECRs with the EUSO-TA Telescope
Published in EPJ Web of Conferences (2019)“…EUSO-TA is a cosmic ray detector developed by the JEM-EUSO (Joint Experiment Missions for Extreme Universe Space Observatory) Collaboration, observing during…”
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Observation of the ankle and evidence for a high-energy break in the cosmic ray spectrum
Published in Physics letters. B (21-07-2005)“…We have measured the cosmic ray spectrum at energies above 1017eV using the two air fluorescence detectors of the High Resolution Fly's Eye experiment…”
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Search for Point Sources of Ultra-High-Energy Cosmic Rays above 4.0 x 10(19) eV Using a Maximum Likelihood Ratio Test
Published in The Astrophysical journal (10-04-2005)“…We present the results of a search for cosmic-ray point sources at energies in excess of 4.0 x 10(19) eV in the combined data sets recorded by the Akeno Giant…”
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Depth of Ultra High Energy Cosmic Ray Induced Air Shower Maxima Measured by the Telescope Array Black Rock and Long Ridge FADC Fluorescence Detectors and Surface Array in Hybrid Mode
Published in The Astrophysical journal (10-05-2018)“…The Telescope Array (TA) observatory utilizes fluorescence detectors and surface detectors (SDs) to observe air showers produced by ultra high energy cosmic…”
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The Cosmic Ray Energy Spectrum between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
Published in The Astrophysical journal (20-09-2018)“…We report on a measurement of the cosmic ray energy spectrum by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector (FD). The TALE air FD…”
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An extremely energetic cosmic ray observed by a surface detector array
Published in Science (American Association for the Advancement of Science) (24-11-2023)“…Cosmic rays are energetic charged particles from extraterrestrial sources, with the highest-energy events thought to come from extragalactic sources. Their…”
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The surface detector array of the Telescope Array experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2012)“…The Telescope Array (TA) experiment, located in the western desert of Utah, USA, is designed for the observation of extensive air showers from extremely high…”
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Study of Ultra-High Energy Cosmic Ray composition using Telescope Array’s Middle Drum detector and surface array in hybrid mode
Published in Astroparticle physics (01-04-2015)“…Previous measurements of the composition of Ultra-High Energy Cosmic Rays (UHECRs) made by the High Resolution Fly’s Eye (HiRes) and Pierre Auger Observatory…”
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Techniques for measuring atmospheric aerosols at the high resolution fly’s eye experiment
Published in Astroparticle physics (01-02-2006)“…We describe several techniques developed by the high resolution fly’s eye experiment for measuring aerosol vertical optical depth, aerosol horizontal…”
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The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
Published in The Astrophysical journal (01-03-2021)“…Abstract We report on a measurement of the cosmic-ray composition by the Telescope Array Low-energy Extension (TALE) air fluorescence detector (FD). By making…”
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New air fluorescence detectors employed in the Telescope Array experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-06-2012)“…Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing ultra high energy cosmic rays to understand their origins. The…”
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First observation of the Greisen-Zatsepin-Kuzmin suppression
Published in Physical review letters (14-03-2008)“…The High Resolution Fly's Eye (HiRes) experiment has observed the Greisen-Zatsepin-Kuzmin suppression (called the GZK cutoff) with a statistical significance…”
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Indications of proton-dominated cosmic-ray composition above 1.6 EeV
Published in Physical review letters (23-04-2010)“…We report studies of ultrahigh-energy cosmic-ray composition via analysis of depth of air shower maximum (X(max)), for air shower events collected by the…”
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Evidence for a Supergalactic Structure of Magnetic Deflection Multiplets of Ultra-high-energy Cosmic Rays
Published in The Astrophysical journal (01-08-2020)“…Evidence for a large-scale supergalactic cosmic-ray multiplet (arrival directions correlated with energy) structure is reported for ultra-high-energy…”
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Isotropy of Cosmic Rays beyond 10^{20} eV Favors Their Heavy Mass Composition
Published in Physical review letters (26-07-2024)“…We report an estimation of the injected mass composition of ultrahigh energy cosmic rays (UHECRs) at energies higher than 10 EeV. The composition is inferred…”
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