Depth of maximum of air-shower profiles: testing the compatibility of measurements performed at the Pierre Auger Observatory and the Telescope Array experiment
Alexey Yushkov, Jose Bellido, John Belz, Vitor de Souza, William Hanlon, Daisuke Ikeda, Pierre Sokolsky, Yoshiki Tsunesada, Michael Unger, for the Pierre Auger and Telescope Array collaborations