![Precise measurement of positronium hyperfine splitting using the Zeeman effect]()
Precise measurement of positronium hyperfine splitting using the Zeeman effectIshida, Akira; Sasaki, Yuichi; Akimoto, Ginga; Suehara, Taikan; Namba, Toshio; Asai, Shoji; Kobayashi, Tomio; Saito, Haruo; Yoshida, Mitsuhiro; Tanaka, Kenichi; Yamamoto, Akira · Hyperfine Interactions · 2012