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Measurement of time-dependent CP violation in B-0 -> K-S(0)pi(0)pi(0) decays

Authors
Yusa, Y.Aihara, H.Al Said, S.Asner, D. M.Atmacan, H.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Badhrees, I.Bahinipati, S.Bakich, A. M.Bansal, V.Behera, P.Bhardwaj, V.Bhuyan, B.Biswal, J.Bozek, A.Bracko, M.Browder, T. E.Cao, L.Cervenkov, D.Chekelian, V.Chen, A.Cheon, B. G.Chilikin, K.Choi, S. -K.Choi, Y.Cinabro, D.Cunliffe, S.Dash, N.Di Carlo, S.Dong, T. V.Drasal, Z.Eidelman, S.Epifanov, D.Fast, J. E.Fulsom, B. G.Garg, R.Gaur, V.Garmash, A.Giri, A.Goldenzweig, P.Golob, B.Guan, Y.Haba, J.Hayasaka, K.Hayashii, H.Hirose, S.Inami, K.Inguglia, G.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jia, S.Jin, Y.Joo, K. K.Kang, K. H.Kawasaki, T.Kiesling, C.Kim, D. Y.Kim, J. B.Kim, K. T.Kim, S. H.Kinoshita, K.Kodys, P.Korpar, S.Kotchetkov, D.Krizan, P.Kroeger, R.Kuhr, T.Kumar, R.Kwon, Y. -J.Lange, J. S.Lee, I. S.Lee, S. C.Li, L. K.Li, Y. B.Gioi, L. LiLibby, J.Liventsev, D.Lubej, M.Luo, T.Masuda, M.Matsuda, T.Merola, M.Miyabayashi, K.Miyata, H.Mizuk, R.Mohanty, G. B.Moon, H. K.Nakano, E.Nakao, M.Nanut, T.Nath, K. J.Natkaniec, Z.Nisar, N. K.Nishida, S.Nishimura, K.Ogawa, K.Ogawa, S.Ono, H.Pakhlova, G.Pal, B.Pardi, S.Park, H.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Popov, V.Prencipe, E.Rostomyan, A.Russo, G.Sakai, Y.Sandilya, S.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Schwartz, A. J.Seino, Y.Senyo, K.Seon, O.Sevior, M. E.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Staric, M.Sumihama, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Uchida, M.Uglov, T.Unno, Y.Uno, S.Ushiroda, Y.Usov, Y.Van Hulse, C.Van Tonder, R.Varner, G.Varvell, K. E.Vorobyev, V.Vossen, A.Waheed, E.Wang, B.Wang, C. H.Wang, M. -Z.Wang, P.Won, E.Ye, H.Yin, J. H.Zhang, Z. P.Zhilich, V.Zhulanov, V.
Issue Date
18-1월-2019
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.99, no.1
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
99
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/68269
DOI
10.1103/PhysRevD.99.011102
ISSN
2470-0010
Abstract
We report a measurement of time-dependent CP violation in B-0 -> K-S(0)pi(0)pi(0) decays using a data sample of 772 x 10(6) B (B) over bar pairs collected by the Belle experiment running at the (sic)(4S) resonance at the KEKB e(+)e(-) collider. This decay proceeds mainly via a b -> sd (d) triple over dot "penguin" amplitude. The results are sin 2 phi(eff)(1) = 0.92(-0.31)(+0.27) (stat.) +/- 0.11 (syst.) and A = 0.28 +/- 0.21 (stat.) +/- 0.04 (syst.), which are the most precise measurements of CP violation in this decay mode to date. The value for the CP-violating parameter sin 2 phi(eff)(1) is consistent with that obtained using decay modes proceeding via a b -> c (c) over bars "tree" amplitude.
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