Hiroko Ogata

TL;DR: In this article, the authors present the current status and most recent progress of MPPC-based scintillation detectors, such as a high-precision X-ray and gamma-ray spectral image sensor, next-generation PET detectors with MRI, TOF, and DOI measurement capabilities, and a compact gamma camera for environmental radiation surveys.

TL;DR: In this article, a depth-of-interaction (DOI) method was introduced to further improve the angular resolution of Compton camera for gamma-ray localization in the field test conducted in Fukushima.

TL;DR: In this article, the authors examined the resuspension process of radiocesium (134,137Cs) based on long-term measurements of the atmospheric concentration and the aerosol characteristic observations by scanning electron microscopy (SEM) and measurement of the biomass burning tracer, levoglucosan.

TL;DR: In order to clarify the impact of air pollution on the formation of sudden and locally distributed heavy rain in urban areas (hereafter UHR = Urban-induced Heavy Rain), the authors analyzed inorganic ions in rainwater samples collected on an event basis over five years from October 2012 to December 2016 in Shinjuku, Tokyo.

TL;DR: In this article, the authors evaluated the dry deposition of Black Carbon (BC) to the actual leaves of konara oak ( Quercus serrata ) in a foliar rinse method in an experimental forest in the suburbs of Tokyo, Japan in order to explore deposition levels and vertical profile within the forest.