Hyperfine structure of antiprotonic helium revealed by a laser-microwave-laser resonance method.
Widmann E, Eades J, Ishikawa T, Sakaguchi J, Tasaki T, Yamaguchi H, Hayano RS, Hori M, Torii HA, Juhász B, Horváth D, Yamazaki T.
Widmann E, et al. Among authors: torii ha.
Phys Rev Lett. 2002 Dec 9;89(24):243402. doi: 10.1103/PhysRevLett.89.243402. Epub 2002 Nov 22.
Phys Rev Lett. 2002.
PMID: 12484942