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"Production of Exotic Atoms and High Precision Symmetry Tests" Research Team
Research Areas
It is getting more and more clearer that exotic atoms which do not exists in nature are however potential tools to study the beautiful symmetry and its spontaneous breaking down of nature. Considering this fact, this team aims at (1) testing the CPT symmetry by comparing the hyperfine splitting of antihydrogen with that of hydrogen. 		 

KAMBARA Tadashi
Team Head
Yasunori Yamazaki (D.Eng.)
mail

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Research Subject
(1) Synthesis of a large number of antihydrogen atoms, and its accumulation and cooling
(2) Development of positron accumulation in UHV conditions
(3) Presice x-ray measurement of kaonic helium-3 atom
(4) Search for kaonic nuclei by in-flight 3He(K,n) reaction


List of Selected Publications
(1) Kuroda, N., Torii, H.A., Shibata, M., Nagata, Y., Barna, D., Hori, M., Horvath, D., Mohri, A., Eades, J., Komaki, K., and Yamazaki, Y.:
"Radial compression of antiproton cloud for production of intense antiproton beams."
Phys.Rev.Lett. 100 (2008) (in press).
(2) Iwasaki, M., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., Hayano, R.S., Iio, M., Ishikawa, T., Ishimotof, S., Ishiwatari, T., Itahashi, K., Iwai, M., Kienle, P., Kim, J.H., Matsuda, Y., Ohnishi, H., Okada, S., Outa, H., Sato, M., Suzuki f, S., Suzuki, T., Tomono, D., Widmann, E., Yamazaki, T., and Yim, H.:
"Kaonic nuclear state search via K- reaction at rest on 4He target."
Nucl. Phys. A 804, 186・96, (2008).
(3) Okada, S., Beer, Bhang, H., Cargnelli, M., Chiba, J., Choi, S., Curceanu, C., Fukuda, Y., Hanaki, T., Hayano, R.S., Iio, M., Ishikawa, T., Ishimoto, S., Ishiwatari, T., Itahashi, K., Iwai, M., Iwasaki, M., Juhász, B., Kienle, P., Marton, J., Matsuda, Y., Ohnishi, H., Outa, H., Sato, M., Schmid, P., Suzuki, S., Suzuki, T., Tatsuno, H., Tomono, D., Widmann, E., Yamazaki, T., Yim, H., and Zmeskal, J.:
"Precision measurement of the 3d ->2p x-ray energy in kaonic 4He."
Phys. Lett. B 653, 38 (2007).
(4) Suzuki, T., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., Hayano, R.S., Iio, M., Ishikawa, T., Ishimoto, S., Ishiwatari, T., Itahashi, K., Iwai, M., Iwasaki, M., Kienle, P., Kim, J.H., Matsuda, Y., Ohnishi, H., Okada, S., Outa, H., Sato, M., Suzuki, S., Tomono, D., Widmann, E., Yamazaki, T., and Yim, H.:
・and;d correlations from the 4He(stopped-K-, d)reaction."
Phys.Rev C 76 068202 (2007).
(5) Pohl, T., Sadeghpour, H.R., Nagata, Y., and Yamazaki, Y.:
"Cooling by Spontaneous Decay of Highly Excited Antihydrogen Atoms in Magnetic Traps."
Phys.Rev.Lett. 97, 213001, (2006).




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