High-precision laser spectroscopy of antiprotonic helium atomcules and effects of collisions at high-density conditions

por Torii, H A
Publicado 1998

First investigation of metastable states in antiprotonic helium atoms by laser spectroscopy

por Maas, F E, Hayano, R S, Torii, H A
Publicado 1994

ASACUSA Gas-Jet Target: Present Status And Future Development

por Varentsov, V L, Kuroda, N, Nagata, Y, Torii, H A, Shibata, M, Yamazaki, Y
Publicado 2005

Collisional and Spectroscopic Studies of Exotic Atoms Using Ultra-Slow Antiprotons

por Torii, H A, Nagata, Y, Toyoda, H, Imao, H, Kuroda, N, Varentsov, V L, Yamazaki, Y
Publicado 2009

Quantum tunnelling effects revealed in collisions of antiprotonic helium with hydrogenic molecules at low temperatures

por Juhász, Bertalan, Eades, John, Hayano, R S, Hori, Masaki, Horváth, D, Ishikawa, T, Torii, H A, Widmann, E, Yamaguchi, H, Yamazaki, T
Publicado 2003

Effects of impurity molecules on the lifetime of antiprotonic helium atoms

por Juhász, B, Eades, John, Hayano, R S, Hori, Masaki, Horváth, D, Ishikawa, T, Torii, H A, Widmann, E, Yamaguchi, H, Yamazaki, T
Publicado 2004

Antiproton and Electron Plasma Behavior and its Control for Production of Ultraslow Antiproton Beams

por Kuroda, N, Torii, H A, Shibata, M, Nagata, Y, Barna, D, Hori, M, Mohri, A, Komaki, K, Yamazaki, Y
Publicado 2005

Design and test of a beam line for extraction of slow antiprotons from a multi-ring electrode ion trap

por Yoshiki-Franzén, K, Higaki, H, Ichioka, T, Hori, Masaki, Wang, Z, Kuroda, N, Yoneda, S, Torii, H A, Komaki, K, Yamazaki, Y
Publicado 2002

Quenching of metastable antiprotonic helium atoms in collisions with deuterium molecules

por Juhász, B, Eades, John, Hayano, R S, Hori, Masaki, Horváth, D, Ishikawa, T, Sakaguchi, J, Torii, H A, Widmann, E, Yamaguchi, H, Yamazaki, T
Publicado 2002

Hyperfine structure of antiprotonic helium revealed by a laser-microwave-laser resonance method

por Widmann, E., Hayano, R.S., Ishikawa, T., Sakaguchi, J., Yamaguchi, H., Eades, J., Hori, M., Torii, H.A., Juhasz, B., Horvath, D., Yamazaki, T.
Publicado 2002

Anomalies in the decay rates of antiprotonic helium-atom states

por Yamaguchi, H, Ishikawa, T, Sakaguchi, J, Widmann, E, Eades, John, Hayano, R S, Hori, Masaki, Torii, H A, Juhász, B, Horváth, D, Yamazaki, T
Publicado 2002

Precise laser spectroscopy of the antiprotonic helium atom and CPT test on antiproton mass and charge

por Yamaguchi, H, Eades, John, Hayano, R S, Hori, Masaki, Horváth, D, Ishikawa, T, Juhász, B, Sakaguchi, J, Torii, H A, Widmann, E, Yamazaki, T
Publicado 2003

Systematic study of the decay rates of antiprotonic helium states

por Yamaguchi, H., Hayano, R.S., Ishikawa, T., Sakaguchi, J., Widmann, E., Eades, J., Hori, M., Torii, H.A., Juhasz, B., Horvath, D., Yamazaki, T.
Publicado 2004

Direct measurement of transition frequencies in isolated $\overline{p}He^{+}$ atoms, and new CPT-violation limits on the antiproton charge and mass

por Hori, Masaki, Eades, John, Hayano, R S, Horváth, D, Ishikawa, T, Juhász, B, Pirkl, Werner, Torii, H A, Widmann, E, Yamaguchi, H, Yamazaki, T
Publicado 2003

Primary populations of metastable antiprotonic $^{4}He$ and $^{3}He$ atoms

por Hori, Masaki, Eades, John, Hayano, R S, Ishikawa, T, Sakuguchi, J, Tasaki, T, Widmann, E, Yamaguchi, H, Torii, H A, Juhász, B, Horváth, D, Yamazaki, T
Publicado 2002

Observation of cold, long-lived antiprotonic helium ions

por Hori, M, Eades, John, Hayano, R S, Horváth, D, Juhász, B, Pirkl, Werner, Suzuki, K, Torii, H A, Widmann, E, Yamaguchi, H, Yamazaki, T
Publicado 2005

Control of plasmas for production of ultraslow antiproton beams

por Kuroda, N, Torii, H A, Shibata, M, Nagata, Y, Barna, D, Horváth, D, Hori, M, Eades, John, Mohri, A, Komaki, K, Yamazaki, Y
Publicado 2005

Determination of the antiproton-to-electron mass ratio by precision laser spectroscopy of $\overline{p}He^{+}$

por Hori, M, Dax, A, Eades, John, Gomikawa, K, Hayano, R S, Ono, N, Pirkl, Werner, Widmann, E, Torii, H A, Juhász, B, Barna, D, Horváth, D
Publicado 2006

Direct detection of antihydrogen atoms using a BGO crystal

por Nagata, Y, Kuroda, N, Ohtsuka, M, Leali, M, Lodi-Rizzini, E, Mascagna, V, Tajima, M, Torii, H A, Zurlo, N, Matsuda, Y, Venturelli, L, Yamazaki, Y
Publicado 2016

Confinement of a large number of antiprotons and production of an ultraslow antiproton beam

por Kuroda, N, Eades, John, Franzen, K Yoshiki, Higaki, H, Hori, M, Horváth, D, Inoue, M, Juhász, B, Mohri, A, Torii, H A, Wang, Z, Yamazaki, Y, Yoneda, S, Komaki, K
Publicado 2005