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Professor Yoshitaka ITOW

I am working on cutting-edge fields between particle physics and astrophysics in various research fields in cosmic ray physics. I study very high-energy interac- tions of cosmic rays with accelerators such as LHC or RHIC in LHCf/RHICf experiments. I also work on neutrino physics at Super-Kamiokande and dark matter searches in the XMASS liquid xenon experiment.

(Concurrent Post) Kobayashi–Maskawa Institute for the Origin of Particles and the Universe (KMI), Nagoya University

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Professor Hiroyasu TAJIMA

I am investigating origins, acceleration mechanisms, and propagation of cosmic rays, and search for gamma-ray signals from dark matter by development of semiconductor sensors and integrated circuits for gamma-ray instruments such as the *Fermi* satellite and Cherenkov Telescope Array and their data analysis. I am also developing microsatellites to stimulate satellite applications.

(Concurrent Post) Center for Orbital and Suborbital Observations, ISEE

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Associate Prof. Fusa MIYAKE

I am currently studying the variations of past cosmic ray intensities and solar activities by measuring the ¹⁴C content in tree rings and 10Be concentrations in ice cores. I am aiming to understand the occurrence features of extreme solar proton events through the investigation of ¹⁴C data over the past several tens of thousands of years. I am also interested in annual dating of ancient samples by using rapid ¹⁴C variations.

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Associate Prof. Shingo KAZAMA

I’m particularly interested in the nature of dark matter in our universe. Currently, I’m working on analysing the data acquired by XENONnT detector, the world’s largest dark matter detector ever built. I’m also working on R&D projects for the future DARWIN experiment.

Belonging to Kobayashi–Maskawa Institute for the Origin of Particles and the Universe (KMI), Nagoya University

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Designated Assoc. Prof. Kazutaka YAMAOKA

I am aiming at unveiling relation between accretion disks and relativistic jets around a black hole and radiation mechanisms of gamma-ray bursts (GRBs) using X-ray and gamma-ray satellites. I am also recently working on solar neutron observations from space using a micro-satellite.

Belonging to the Institute of Materials and Systems for Sustainability (IMaSS), Nagoya University

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Lecturer (Jr. Assoc. Prof.) Akira OKUMURA

I study cosmic gamma-ray radiation by the Fermi satellite and develop the Cherenkov Telescope Array (CTA), which is planned to start its full operation in 2020s. I am interested in the origin of Galactic cosmic rays and indirect dark-matter search by gamma-ray observation.

(Concurrent Post) Kobayashi–Maskawa Institute for the Origin of Particles and the Universe (KMI), Nagoya University

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Assistant Prof. Hiroaki MENJO

For my research, I study high-energy particle interactions of cosmic rays using an accelerator. Cosmic rays interact with interstellar gas or the Earth's atmosphere and produce numerous particles. A precise understanding of cosmic-ray interactions is important to solve the mystery of the origin of cosmic rays. I am currently measuring particles produced in high-energy interactions at the world's biggest accelerator, LHC.

(Concurrent Post) Center for International Collaborative Research, ISEE

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Designated Assistant Prof. Mitsunari TAKAHASHI

I am working on the development and calibration of the Cherenkov Telescope Array, the development of novel data classes of *Fermi* Gamma-ray Space Telescope, and data analysis of active galactic nuclei and gamma-ray bursts.

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Designated Assistant Prof. Masatoshi KOBAYASHI

I have been working on the direct search of dark matter, using liquid xenon detectors. Currently, the main research topic is the data analysis and hardware development for XENONnT experiment in LNGS, Italy. I am also working on the R&D project for future large scale dark matter search, DARWIN experiment.

Belonging to Kobayashi–Maskawa Institute for the Origin of Particles and the Universe (KMI), Nagoya University

Visiting Professor Steve Playfer