A single‐year cosmic ray event at 5410 BCE registered in 14C of tree rings - Miyake, F.; Panyushkina, I. P.; Jull, A. J. T.; Adolphi, F.; Brehm, N.; Helama, S.; Kanzawa, K.; Moriya, T.; Muscheler, R.; Nicolussi, K.; Oinonen, M.; Salzer, M.; et al. (American Geophysical Union (AGU), 2021)
Keywords: dendrokronologia; auringonpurkaukset; kosminen säteily; radiocarbon; tree rings; solar energetic particle; cosmogenic nuclide; solar activity