Research field (1)：
Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
Research theme for competitive and other funds (3)：
2019 - 2024 X-ray source for Novel imaging paradigm
2018 - 2021 Delbruck scattering using linearly polarized gamma-rays
2016 - 2019 Relativistic Flying Mirror Gamma Ray Source
Papers (155)：
Masaki Kando, Alexander Pirozhkov, James Koga, Timur Zh. Esirkepov, Sergei V. Bulanov. Prospects of Relativistic Flying Mirrors for Ultra-High-Field Science. Photonics. 2022
James Koga. Nanoscale subsurface dynamics of solids upon high-intensity femtosecond laser irradiation observed by grazing-incidence x-ray scattering. Physical Review Research. 2022. 4. 3
Tae Moon Jeong, Sergei V. Bulanov, Petr Valenta, Georg Korn, Timur Zh. Esirkepov, James K. Koga, Alexander S. Pirozhkov, Masaki Kando, Stepan S. Bulanov. Relativistic flying laser focus by a laser-produced parabolic plasma mirror. Physical Review A. 2021. 104. 5
Sreemanti Chakraborti, Jonathan L. Feng, James K. Koga, Mauro Valli. Gamma factory searches for extremely weakly interacting particles. Physical Review D. 2021. 104. 5
