Hirohisa Sakurai

Prolonged production of 14C during the ~660 BCE solar proton event from Japanese tree rings

Hirohisa Sakurai, Fuyuki Tokanai, Fusa Miyake et al. · Scientific Reports · 2020 · 56 citations · Full text

Temporal variation of 7Be concentrations in atmosphere for 8y from 2000 at Yamagata, Japan: solar influence on the 7Be time series

Satoshi Kikuchi, Hirohisa Sakurai, Shuichi Gunji et al. · Journal of Environmental Radioactivity · 2009 · 54 citations

Geophysics, Upper Atmosphere, Solar Variability +8

Gradual onset of the Maunder Minimum revealed by high-precision carbon-14 analyses

Hiroko Miyahara, Fuyuki Tokanai, Tôru Moriya et al. · Scientific Reports · 2021 · 38 citations · Full text

Pulsed X‐Ray Emission from the Fastest Millisecond Pulsar: PSR B1937+21 with<i>ASCA</i>

M. Takahashi, Shinpei Shibata, K. Torii et al. · The Astrophysical Journal · 2001 · 37 citations · Full text

Development of gaseous PMT with micropattern gas detector

Fuyuki Tokanai, T. Sumiyoshi, Hiroyuki Sugiyama et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 2009 · 25 citations

Electrical Engineering, Engineering, Microfabrication +5