I. Sugai

First observation of laser-induced resonant annihilation in metastable antiprotonic helium atoms

N. Morita, M. Kumakura, Toshitsugu Yamazaki et al. · Physical Review Letters · 1994 · 139 citations · Full text

Quantum Science, Antiprotonic Helium Atoms, Engineering +12

Laser measurements of the density shifts of resonance lines in antiprotonic helium atoms and stringent constraint on the antiproton charge and mass

H. A. Torii, R. Hayano, M. Hori et al. · Physical Review A · 1999 · 80 citations · Full text

Microwave Spectroscopy, Quantum Science, Antiprotonic Helium Atoms +15

Laser Studies of the Decay Chain of Metastable Antiprotonic Helium Atoms

R. Hayano, F. E. Maas, H. Torii et al. · Physical Review Letters · 1994 · 63 citations · Full text

Antiproton Annihilation Rate, Optical Pumping, Engineering +15

Phase and density dependence of the delayed annihilation of metastable antiprotonic helium atoms in gas, liquid, and solid helium

E. Widmann, I. Sugai, R. Hayano et al. · Physical Review A · 1995 · 56 citations · Full text

Quantum Liquid, Engineering, Liquid Helium +11

Laser-induced resonant transition at 470.724 nm in the<i>v</i>=<i>n</i>-<i>l</i>-1=2 cascade of metastable antiprotonic helium atoms

F. E. Maas, R. Hayano, Takashi Ishikawa et al. · Physical Review A · 1995 · 54 citations · Full text

Optical Pumping, Double Beta Decay, Engineering +12