Influence of oxygen admixtures on the lifetime of metastable antiprotonic helium atoms

por Pohl, R, Ishikawa, T, Horváth, D, Sugai, I, Torii, H A, Hori, M, Hayano, R S, Hartmann, F J, Ketzer, B, Maierl, C, Von Egidy, T, Eades, John, Widmann, E, Yamazaki,T, Kumakura, M, Mortia, N
Publicado 1998