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Measurement of y(CP) in D-0 meson decays to the (KSK+K-)-K-0 final state

Authors
Zupanc, A.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Balagura, V.Barberio, E.Bay, A.Belous, K.Bischofberger, M.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chang, M. -C.Chao, Y.Chen, A.Cheon, B. G.Chiang, C. -C.Cho, I. -S.Choi, Y.Dalseno, J.Drutskoy, A.Dungel, W.Eidelman, S.Gabyshev, N.Goldenzweig, P.Golob, B.Ha, H.Haba, J.Han, B. -Y.Hara, T.Hasegawa, Y.Hayasaka, K.Hayashii, H.Hazumi, M.Hoshi, Y.Hyun, H. J.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Joshi, N. J.Kah, D. H.Kang, J. H.Kapusta, P.Katayama, N.Kawasaki, T.Kim, H. O.Kim, Y. I.Kim, Y. J.Kinoshita, K.Ko, B. R.Korpar, S.Krizan, P.Krokovny, P.Kumar, R.Kwon, Y. -J.Kyeong, S. -H.Lee, M. J.Lesiak, T.Li, J.Liu, C.Liu, Y.Louvot, R.Matyja, A.McOnie, S.Miyabayashi, K.Miyata, H.Miyazaki, Y.Mizuk, R.Nagasaka, Y.Nakano, E.Nakao, M.Natkaniec, Z.Nishida, S.Nishimura, K.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Ozaki, H.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Park, H. K.Pestotnik, R.Piilonen, L. E.Poluektov, A.Sahoo, H.Sakai, K.Sakai, Y.Schneider, O.Schwartz, A. J.Sekiya, A.Senyo, K.Sevior, M. E.Shapkin, M.Shen, C. P.Shiu, J. -G.Shwartz, B.Singh, J. B.Sokolov, A.Stanic, S.Staric, M.Sumiyoshi, T.Taylor, G. N.Teramoto, Y.Trabelsi, K.Uehara, S.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Varvell, K. E.Vervink, K.Vinokurova, A.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, Y.Wedd, R.Won, E.Yabsley, B. D.Yamamoto, H.Yamashita, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zivko, T.Zyukova, O.
Issue Date
9월-2009
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.80, no.5
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
80
Number
5
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119458
DOI
10.1103/PhysRevD.80.052006
ISSN
1550-7998
Abstract
We present a measurement of the D-0 - (D) over bar (0) mixing parameter y(CP) using a flavor-untagged sample of D-0 -> (KSK+K-)-K-0 decays. The measurement is based on a 673 fb(-1) data sample recorded with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Using a method based on measuring the mean decay time for different K+K- invariant mass intervals, we find y(CP) = (+0.11 +/- 0.61(stat.) +/- 0.52(syst.))%.
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