Observation of a Downward Terrestrial Gamma-ray Flash During the Dart-Leader Phase of a Return Stroke.
Rasha Abbasi, Loyola University Chicago, Chicago, IL, United States, Ny Kieu, Loyola University Chicago, Physics, Chicago, IL, United States, Davide Mazzucco, Loyola University Chicago, Physics Department, Chicago, United States, Marcelo M Saba, INPE National Institute for Space Research, S. Jose Dos Campos, Brazil, Ivan Toucedo Cruz, INPE National Institute for Space Research, Pontes Gestal, Brazil, Diego Rhamon da Silva, INPE National Institute for Space Research, Sao Jose dos Campos, Brazil, Paul R Krehbiel, New Mexico Tech, Socorro, United States, Mark A Stanley, New Mexico Institute of Mining and Technology, Langmuir Laboratory for Atmospheric Research, Socorro, NM, United States, William Rison, New Mexico Inst Mining & Tech, Socorro, NM, United States, Dan Rodeheffer, New Mexico Tech, Langmuir Laboratory for Atmospheric Research, Socorro, NM, United States and For the Telescope Array lightning collaboration.