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Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays

Authors
Peng, T.Zhang, Z. P.Abdesselam, A.Adachi, I.Aihara, H.Arinstein, K.Asner, D. M.Aulchenko, V.Aushev, T.Ayad, R.Bakich, A. M.Bala, A.Bhardwaj, V.Bhuyan, B.Bobrov, A.Bondar, A.Bonvicini, G.Bozek, A.Cervenkov, D.Chekelian, V.Chen, A.Cheon, B. G.Cho, I. -S.Cho, K.Chobanova, V.Choi, Y.Cinabro, D.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, Z.Drutskoy, A.Dutta, D.Eidelman, S.Epifanov, D.Farhat, H.Fast, J. E.Ferber, T.Frost, O.Gaur, V.Ganguly, S.Garmash, A.Gillard, R.Goh, Y. M.Golob, B.Haba, J.Hara, T.Hayasaka, K.Hayashii, H.He, X. H.Hoshi, Y.Hou, W. -S.Hyun, H. J.Iijima, T.Ishikawa, A.Itoh, R.Iwasaki, Y.Iwashita, T.Jaegle, I.Julius, T.Kang, J. H.Kato, E.Katrenko, P.Kawai, H.Kawasaki, T.Kichimi, H.Kim, D. Y.Kim, H. J.Kim, J. B.Kim, J. H.Kim, M. J.Kim, Y. J.Kinoshita, K.Klucar, J.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kronenbitter, B.Kuhr, T.Kumar, R.Kumita, T.Kuzmin, A.Lee, S. -H.Li, Y.Gioi, L. LiLibby, J.Liu, C.Liu, Y.Liu, Z. Q.Liventsev, D.Lukin, P.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, G. B.Moll, A.Mussa, R.Nakao, M.Natkaniec, Z.Nayak, M.Nedelkovska, E.Nisar, N. K.Nishida, S.Nitoh, O.Ogawa, S.Pakhlov, P.Park, H.Park, H. K.Pedlar, T. K.Pestotnik, R.Petric, M.Piilonen, L. E.Ribezl, E.Ritter, M.Roehrken, M.Rostomyan, A.Sahoo, H.Saito, T.Sakai, Y.Sandilya, S.Santel, D.Santelj, L.Sanuki, T.Sato, Y.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Schwartz, A. J.Seidl, R.Semmler, D.Senyo, K.Sevior, M. E.Shapkin, M.Shebalin, V.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Sohn, Y. -S.Sokolov, A.Solovieva, E.Stanic, S.Staric, M.Sumiyoshi, T.Tamponi, U.Tatishvili, G.Teramoto, Y.Trabelsi, K.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Ushiroda, Y.Usov, Y.Van Hulse, C.Vanhoefer, P.Varner, G.Varvell, K. E.Vinokurova, A.Vorobyev, V.Wagner, M. N.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Wehle, S.Williams, K. M.Won, E.Yamashita, Y.Yashchenko, S.Yook, Y.Yuan, C. Z.Zhang, C. C.Zhilich, V.Zhulanov, V.Zupanc, A.
Issue Date
30-5월-2014
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.89, no.9
Indexed
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
89
Number
9
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/98483
DOI
10.1103/PhysRevD.89.091103
ISSN
2470-0010
Abstract
We report a measurement of D-0-(D) over bar(0) mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D-0 -> K-S(0)pi(+)pi(-) decays. The results are based on 921 fb(-1) of data accumulated with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Assuming CP conservation, we measure the mixing parameters x = (0.56 +/- 0.19(-0.09-0.09)(+0.03+0.06))% and y = (0.30 +/- 0.15(-0.05-0.06)(+0.04+0.03))%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters vertical bar q/p vertical bar = 0.90(-0.15-0.04-0.05)(+0.16+0.05+0.06) and arg(q/p) = (- 6 +/- 11 +/- 3(-4)(+3))degrees are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
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