activity
19942021
most citedDetection of a Cosmic Ray with Measured Energy Well Beyond the Expected Spectral Cutoff due to Cosmic Microwave Radiation

535 citations · 763 across the 7 of their papers we have counts for

collaborators

7 papers

astro-ph.IM2021

Latest results of ultra-high-energy cosmic ray measurements with prototypes of the Fluorescence detector Array of Single-pixel Telescopes (FAST)

Toshihiro Fujii, Justin Albury, Jose Bellido +28

The origin and nature of ultra-high-energy cosmic rays (UHECRs) remain an open question in astroparticle physics. Motivated by the need for an unprecedented aperture for further ad…

astro-ph.HE2019

Observing ultra-high energy cosmic rays with prototypes of the Fluorescence detector Array of Single-pixel Telescopes (FAST) in both hemispheres

Toshihiro Fujii, Max Malacari, John Farmer +22

The origin and nature of ultra-high energy cosmic rays (UHECRs) are hot topics in the astroparticle physics community. The Fluorescence detector Array of Single-pixel Telescopes (F…

physics.ins-det2018

Calibration of photomultiplier using UVLED

Sungrae Im, Bokkyun Shin, Ikeda Daisuke +2

Detector calibration is very important for the long-term operation. For the purposes of simple and precise calibration, we developed a new portable calibration source using UVLED t…

astro-ph.HE2017★ 11 cited

The Fluorescence detector Array of Single-pixel Telescopes: Contributions to the 35th International Cosmic Ray Conference (ICRC 2017)

Toshihiro Fujii, Max Malacari, Justin Albury +17

Contributions of the Fluorescence detector Array of Single-pixel Telescopes (FAST) to the 35th International Cosmic Ray Conference, 12-20 July 2017, Busan, Korea

astro-ph.IM2012★ 24 cited

Calibration of Photomultiplier Tubes for the Fluorescence Detector of Telescope Array Experiment using a Rayleigh Scattered Laser Beam

Shingo Kawana, Nobuyuki Sakurai, Toshihiro Fujii +12

We performed photometric calibration of the PhotoMultiplier Tube (PMT) and readout electronics used for the new fluorescence detectors of the Telescope Array (TA) experiment using…

astro-ph1999★ 193 cited

A Multi-Component Measurement of the Cosmic Ray Composition Between 10^{17} eV and 10^{18} eV

T. Abu-Zayyad, K. Belov, D. J. Bird +45

The average mass composition of cosmic rays with primary energies between eV and eV has been studied using a hybrid detector consisting of the High Resolution Fly…