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Gamma-ray Glow preceding Downward Terrestrial Gamma-ray Flash

Two types of high-energy events have been detected from thunderstorms. One is “terrestrial gamma-ray flashes” (TGFs), sub-millisecond emissions coinciding with lightning discharges. The other is minute-lasting “gamma-ray glows”. Although both phenomena are thought to originate from relativistic runaway electron avalanches in strong electric fields, the connection between them is not well understood. Here we report…..

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Article information:
Wada, Y., Enoto, T., Nakamura, Y. et al. Gamma-ray glow preceding downward terrestrial gamma-ray flash. Commun Phys 2, 67 (2019). 
DOI: 10.1038/s42005-019-0168-y