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Improved search for D-0-(D)over-bar(0) mixing using semileptonic decays at Belle

Authors
Bitenc, U.Adachi, I.Aihara, H.Arinstein, K.Aushev, T.Bakich, A. M.Balagura, V.Bedny, I.Belous, K.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chang, M. -C.Chen, A.Chen, W. T.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Danilov, M.Dash, M.Drutskoy, A.Eidelman, S.Fratina, S.Golob, B.Ha, H.Haba, J.Hara, T.Hayasaka, K.Hayashii, H.Hazumi, M.Heffernan, D.Hoshi, Y.Hou, W. -S.Hsiung, Y. B.Hyun, H. J.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, M.Kah, D. H.Kaji, H.Kapusta, P.Katayama, N.Kawasaki, T.Kichimi, H.Kim, H. J.Kim, Y. J.Kinoshita, K.Korpar, S.Kozakai, Y.Krizan, P.Krokovny, P.Kumar, R.Kuo, C. C.Kuroki, Y.Kwon, Y. -J.Lee, J. S.Lee, M. J.Lee, S. E.Lesiak, T.Li, J.Liu, C.Liventsev, D.Mandl, F.Matyja, A.McOnie, S.Medvedeva, T.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Nakao, M.Nakazawa, H.Nishida, S.Nitoh, O.Nozaki, T.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Park, C. W.Park, H.Peak, L. S.Pestotnik, R.Piilonen, L. E.Sahoo, H.Sakai, Y.Schneider, O.Schuermann, J.Schwartz, A. J.Senyo, K.Sevior, M. E.Shapkin, M.Shibuya, H.Shiu, J. -G.Singh, J. B.Sokolov, A.Somov, A.Stanic, S.Staric, M.Sumiyoshi, T.Takasaki, F.Tamura, N.Tanaka, M.Taylor, G. N.Teramoto, Y.Tikhomirov, I.Trabelsi, K.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Varner, G.Varvell, K. E.Vervink, K.Villa, S.Vinokurova, A.Wang, C. C.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, Y.Wedd, R.Won, E.Yabsley, B. D.Yamamoto, H.Yamashita, Y.Yuan, C. Z.Zhang, C. C.Zhang, Z. P.Zupanc, A.
Issue Date
Jun-2008
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.77, no.11
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
77
Number
11
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123432
DOI
10.1103/PhysRevD.77.112003
ISSN
1550-7998
Abstract
A search for mixing in the neutral D meson system has been performed using semileptonic D-0 -> K(*)- e(+) nu and D-0 -> K(*)- mu(+) nu decays. Neutral D mesons from D*+-> D-0 pi(+)(s) decays are used and the flavor at production is tagged by the charge of the slow pion. The measurement is performed using 492 fb(-1) of data recorded by the Belle detector. From the yield of right-sign and wrong-sign decays arising from nonmixed and mixed events, respectively, we measure the ratio of the time-integrated mixing rate to the unmixed rate to be R-M=(1.3 +/- 2.2 +/- 2.0) x 10(-4). This corresponds to an upper limit of R-M < 6.1 x 10(-4) at the 90% C.L.
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