Kentaro Nagaya

A signature of cosmic-ray increase in ad 774–775 from tree rings in Japan

Fusa Miyake, Kentaro Nagaya, Kimiaki Masuda et al. · Nature · 2012 · 515 citations

Cosmic Abundance, Engineering, Cosmology +7

Radiocarbon Ages of Annual Rings from Japanese Wood: Evident Age Offset Based on IntCal09

Toshio Nakamura, Kimiaki Masuda, Fusa Miyake et al. · Radiocarbon · 2013 · 31 citations

Japanese Wood, Engineering, Earth System Science +21

Variation of the Schwabe Cycle Length During the Grand Solar Minimum in the 4th Century BC Deduced from Radiocarbon Content in Tree Rings

Kentaro Nagaya, K. Kitazawa, Fusa Miyake et al. · Solar Physics · 2012 · 26 citations

Grand Solar Minimum, Schwabe Cycle Length, Dendrochronology +4

Cosmogenic Radiocarbon and the Solar Activity

Kimiaki Masuda, Kentaro Nagaya, Hiroko Miyahara et al. · Journal of the Physical Society of Japan · 2009 · 26 citations · Full text

Cosmic Abundance, Solar Variability, Engineering +8

Variation of solar activity from the Spoerer to the Maunder minima indicated by radiocarbon content in tree-rings

Hiroko Miyahara, Kimiaki Masuda, Kentaro Nagaya et al. · Advances in Space Research · 2007 · 25 citations

Solar Variability, Engineering, Solar Activity +6