Direct observation of mass-dependent collisionless energy transfer via Landau and transit-time damping. - Ida, Katsumi; Kobayashi, Tatsuya; Yoshinuma, Mikirou; Nagaoka, Kenichi; Ogawa, Kunihiro; Tokuzawa, Tokihiko; Nuga, Hideo; Katoh, Yuto (Communications Physics, 2022)