Search for CP Violation in tau(+/-) -> K-S(0)pi(+/-)nu(tau) Decays at Belle
- Bischofberger, M.
- Hayashii, H.
- Adamczyk, K.
- Aihara, H.
- Aulchenko, V.
- Bakich, A. M.
- Balagura, V.
- Barberio, E.
- Belous, K.
- Bozek, A.
- Bracko, M.
- Browder, T. E.
- Chen, P.
- Cheon, B. G.
- Chiang, C.-C.
- Cho, I.-S.
- Cho, K.
- Choi, Y.
- Danilov, M.
- Dolezal, Z.
- Drutskoy, A.
- Eidelman, S.
- Epifanov, D.
- Golob, B.
- Ha, H.
- Haba, J.
- Hayasaka, K.
- Horii, Y.
- Hoshi, Y.
- Hou, W.-S.
- Hsiung, Y. B.
- Hyun, H. J.
- Inami, K.
- Ishikawa, A.
- Itoh, R.
- Iwabuchi, M.
- Iwasaki, Y.
- Julius, T.
- Kang, J. H.
- Kawai, H.
- Kawasaki, T.
- Kiesling, C.
- Kim, H. O.
- Kim, M. J.
- Kim, Y. J.
- Kinoshita, K.
- Ko, B. R.
- Kodys, P.
- Krizan, P.
- Kwon, Y.-J.
- Kyeong, S.-H.
- Lange, J. S.
- Lee, M. J.
- Lee, S.-H.
- Li, J.
- Li, Y.
- Liu, C.
- Louvot, R.
- MacNaughton, J.
- McOnie, S.
- Miyabayashi, K.
- Miyata, H.
- Miyazaki, Y.
- Mizuk, R.
- Mohanty, G. B.
- Moll, A.
- Mori, T.
- Nagasaka, Y.
- Nakano, E.
- Nakao, M.
- Nakazawa, H.
- Nishida, S.
- Nishimura, K.
- Nitoh, O.
- Ohshima, T.
- Okuno, S.
- Pakhlova, G.
- Park, H.
- Park, H. K.
- Petric, M.
- Piilonen, L. E.
- Roehrken, M.
- Ryu, S.
- Sahoo, H.
- Sakai, Y.
- Schneider, O.
- Schwanda, C.
- Senyo, K.
- Shapkin, M.
- Shiu, J.-G.
- Shwartz, B.
- Simon, F.
- Smerkol, P.
- Sohn, Y.-S.
- Stanic, S.
- Staric, M.
- Sumiyoshi, T.
- Teramoto, Y.
- Trabelsi, K.
- Uehara, S.
- Uglov, T.
- Uno, S.
- Varner, G.
- Vinokurova, A.
- Vossen, A.
- Wang, C. H.
- Wang, P.
- Watanabe, M.
- Watanabe, Y.
- Won, E.
- Yamamoto, H.
- Yamashita, Y.
- Yuan, C. Z.
- Zhou, P.
- Zhulanov, V.
- Zivko, T.
Publication date
June 2012
DOI Publisher
American Physical Society (APS)Abstract
We report on a search for CP violation in tau(+/-) -> K-S(0)pi(+/-)nu(tau) decays using a data sample of 699 fb(-1) collected by the Belle experiment at the KEKB electron-positron asymmetric-energy collider. The CP asymmetry is measured in four bins of the invariant mass of the K-S(0)pi(+/-) system and found to be compatible with zero with a precision of O(10(-3)) in each mass bin. Limits for the CP violation parameter Im(eta(S)) are given at the 90% confidence level. These limits are |Im(eta(S))| < 0.026 or better, depending on the parametrization used to describe the hadronic form factors, and improve upon previous limits by 1 order of magnitude
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