Toru Shibata

Evaluation of the impact of a bulk-loading sample sorting machine on analytical results of specimens

Toru Shibata, Shotaro Mori, Terunobu FUNATSU, Tomokazu SHINODA et autres

In this study, we developed a high-speed sample sorting system by integrating a previously developed Cartesian-arm-based high-speed sample sorting mechanism with an inlet for bulk-loaded sample tubes. The system enables automated sorting of bulk-loaded sample tubes into dedicated containers. To evaluate the …

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Mass composition of ultrahigh energy cosmic rays from distribution of their arrival directions with the Telescope Array

Rashid Abbasi, Yasuaki Abe, T. Abu-Zayyad, M. Allen et autres

We use a new method to estimate the injected mass composition of ultrahigh cosmic rays (UHECRs) at energies higher than 10 EeV. The method is based on comparison of the energy-dependent distribution of cosmic ray arrival directions as measured by the Telescope …

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Isotropy of cosmic rays beyond $10^{20}$ eV favors their heavy mass composition

Telescope Array Collaboration, Rashid Abbasi, Yasuaki Abe, T. Abu-Zayyad et autres

We report an estimation of the injected mass composition of ultra-high energy cosmic rays (UHECRs) at energies higher than 10 EeV. The composition is inferred from an energy-dependent sky distribution of UHECR events observed by the Telescope Array surface detector by comparing …

Mass composition of ultra-high energy cosmic rays from distribution of their arrival directions with the Telescope Array

Telescope Array Collaboration, Yasuaki Abe, T. Abu-Zayyad, M. Allen et autres

We use a new method to estimate the injected mass composition of ultrahigh cosmic rays (UHECRs) at energies higher than 10 EeV. The method is based on comparison of the energy-dependent distribution of cosmic ray arrival directions as measured by the Telescope …

Highlights from the Telescope Array Experiment

Jihyun Kim, Yasuaki Abe, T. Abu-Zayyad, Yoshimitsu ARAI et autres

The Telescope Array (TA) is the largest ultra-high energy cosmic ray (UHECR) observatory in the Northern Hemisphere. Together with the TA Low Energy Extension (TALE), TA$\times$4, and TALE infill detector, the TA measures the properties of UHECR-induced extensive air showers (EAS) in …

Search for Spatial Correlations of Neutrinos with Ultra-high-energy Cosmic Rays

Andrea Albert, S. Alves, Michel L. Andre, Marco Anghinolfi et autres

Abstract For several decades, the origin of ultra-high-energy cosmic rays (UHECRs) has been an unsolved question of high-energy astrophysics. One approach for solving this puzzle is to correlate UHECRs with high-energy neutrinos, since neutrinos are a direct probe of hadronic interactions of …

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Mineralogical Characterization of Early Bronze Age Pottery from the Svilengrad-Brantiite Site, Southeastern Bulgaria

Masanori Kurosawa, Masao SEMMOTO, Toru Shibata

Several pottery sherds from the Svilengrad-Brantiite site, Bulgaria, were mineralogically and petrographically analyzed. The aim was to add information to the very scarce material data available for Early Bronze Age pottery in the southeastern Thrace plain, Bulgaria, in order to examine a …

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

Telescope Array Collaboration, Tareq Abu-Zayyad, M. Allen, Y. Arai et autres

The Telescope Array Collaboration has observed an excess of events with $E \ge 10^{19.4} ~{\rm eV}$ in the data which is centered at (RA, dec) = ($19^\circ$, $35^\circ$). This is near the center of the Perseus-Pisces supercluster (PPSC). The PPSC is about …

Flexible media handling technology in a living environment

Toru Shibata, Toru MIYASAKA

In a device dealing with flexible media such as paper, it is common to move the sheet in the plane direction by using a nip roll or a belt. In some devices that need to be moved out of the plane, a …

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The Overhead Traveling Manipulator: A Robot to Support Life by Work Alternative

Masaki Odai, Toru Shibata

As work alternative robot that respond to the aging population, we examined and prototyped the overhead traveling manipulator based on the concept of a low erosion on the living space and a large working space. The prototype of overhead traveling manipulator is …

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Study on Page Turning Machine for Booklet Containing the High-rigidity Paper

Toru Shibata, Toru MIYASAKA

Page turning technology is widely used in many applications, such as Automated Teller Machines (ATM) to deal with passbooks, automated machines to convert paper books to electronic books, and so on. Among them, ATM especially requires high reliability because ATM is used …

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望遠鏡アレイ表面検出器データによる超高エネルギー宇宙線の質量組成【JST・京大機械翻訳】

Rasha U. Abbasi, Masaharu Abe, Tareq Abu-Zayyad, M. T. Allen et autres