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Measurement of cos 2 beta in B-0 -> D((*))h(0) with D -> K-S(0)pi(+) pi(-) decays by a combined time-dependent Dalitz plot analysis of BABAR and Belle data

Authors
Adachi, I.Adye, T.Ahmed, H.Ahn, J. K.Aihara, H.Akar, S.Alam, M. S.Albert, J.Anulli, F.Arnaud, N.Asner, D. M.Aston, D.Atmacan, H.Aushev, T.Ayad, R.Badhrees, I.Bakich, A. M.Banerjee, Sw.Bansal, V.Barlow, R. J.Batignani, G.Beaulieu, A.Behera, P.Bellis, M.Ben-Haim, E.Bernard, D.Bernlochner, F. U.Bettarini, S.Bettoni, D.Bevan, A. J.Bhardwaj, V.Bhuyan, B.Bianchi, F.Biasini, M.Biswal, J.Blinov, V. E.Bomben, M.Bondar, A.Bonneaud, G. R.Bozek, A.Bozzi, C.Bracko, M.Browder, T. E.Brown, D. N.Buenger, C.Burchat, P. R.Buzykaev, A. R.Calabrese, R.Calcaterra, A.Calderini, G.Di Carlo, S.Carpinelli, M.Cartaro, C.Casarosa, G.Cenci, R.Chao, D. S.Chauveau, J.Cheaib, R.Chen, A.Chen, C.Cheng, C. H.Cheon, B. G.Chilikin, K.Cho, K.Choi, Y.Choudhury, S.Chrzaszcz, M.Cibinetto, G.Cinabro, D.Cochran, J.Coleman, J. P.Convery, M. R.Cowan, G.Cowan, R.Cremaldi, L.Cunliffe, S.Dash, N.Davier, M.Davis, C. L.De Mori, F.De Nardo, G.Denig, A. G.de Sangro, R.Dey, B.Di Lodovico, F.Dittrich, S.Dolezal, Z.Dorfan, J.Drasal, Z.Druzhinin, V. P.Dunwoodie, W.Ebert, M.Echenard, B.Eidelman, S.Eigen, G.Eisner, A. M.Emery, S.Epifanov, D.Ernst, J. A.Faccini, R.Fast, J. E.Feindt, M.Ferrarotto, F.Ferroni, F.Field, R. C.Filippi, A.Finocchiaro, G.Fioravanti, E.Flood, K. T.Forti, F.Fritsch, M.Fulsom, B. G.Gabathuler, E.Gamba, D.Garg, R.Garmash, A.Gary, J. W.Garzia, I.Gaur, V.Gaz, A.Gelb, M.Gershon, T. J.Gioi, L. LiGiorgi, M. A.Giri, A.Godang, R.Goldenzweig, P.Golob, B.Golubev, V. B.Gorodeisky, R.Gradl, W.Graham, M. T.Grauges, E.Griessinger, K.Gritsan, A. V.Gruenberg, O.Guido, E.Guttman, N.Hafner, A.Hara, T.Harrison, P. F.Hast, C.Hayasaka, K.Hearty, C.Heck, M.Hedges, M. T.Hess, M.Hirose, S.Hitlin, D. G.Honscheid, K.Hou, W. -S.Huard, Z.Van Hulse, C.Hutchcroft, D. E.Inami, K.Inguglia, G.Innes, W. R.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Izen, J. M.Jacobs, W. W.Jawahery, A.Jessop, C. P.Jia, S.Jin, Y.Joo, K. K.Julius, T.Kaliyar, A. B.Kang, K. H.Karyan, G.Kass, R.Kichimi, H.Kim, D. Y.Kim, J. B.Kim, K. T.Kim, S. H.Kim, J.Kim, P.King, G. J.Kinoshita, K.Koch, H.Kodys, P.Kolomensky, Yu. G.Korpar, S.Kotchetkov, D.Kowalewski, R.Kravchenko, E. A.Krizan, P.Kroeger, R.Krokovny, P.Kuhr, T.Kulasiri, R.Kuzmin, A.Kwon, Y. -J.Lacker, H. M.Lafferty, G. D.Lanceri, L.Lange, J. S.Lange, D. J.Lankford, A. J.Latham, T. E.Leddig, T.Le Diberder, F.Lee, I. S.Lee, S. C.Lees, J. P.Leith, D. W. G. S.Li, L. K.Li, Y. B.Li, Y.Libby, J.Liventsev, D.Lockman, W. S.Long, O.LoSecco, J. M.Lou, X. C.Lubej, M.Lueck, T.Luitz, S.Luo, T.Luppi, E.Lusiani, A.Lutz, A. M.MacFarlane, D. B.MacNaughton, J.Mallik, U.Manoni, E.Marchiori, G.Margoni, M.Martellotti, S.Martinez-Vidal, F.Masuda, M.Matsuda, T.Mattison, T. S.Matvienko, D.McKenna, J. A.Meadows, B. T.Merola, M.Miyabayashi, K.Miyashita, T. S.Miyata, H.Mizuk, R.Mohanty, G. B.Mori, T.Muller, D. R.Mueller, T.Mussa, R.Nakano, E.Nakao, M.Nanut, T.Nath, K. J.Nayak, M.Neal, H.Neri, N.Nisar, N. K.Nishida, S.Nugent, I. M.Oberhof, B.Ocariz, J.Ogawa, S.Ongmongkolkul, P.Ono, H.Onuchin, A. P.Oyanguren, A.Pakhlov, P.Pakhlova, G.Pal, B.Palano, A.Palombo, F.Vazquez, W. PanduroPaoloni, E.Pardi, S.Park, H.Passaggio, S.Patrignani, C.Patteri, P.Paul, S.Pavelkin, I.Payne, D. J.Pedlar, T. K.Peimer, D. R.Peruzzi, I. M.Piccolo, M.Piilonen, L. E.Pilloni, A.Piredda, G.Poireau, V.Porter, F. C.Posocco, M.Prell, S.Prepost, R.Puccio, E. M. T.Purohit, M. V.Pushpawela, B. G.Rama, M.Randle-Conde, A.Ratcliff, B. N.Raven, G.Resmi, P. K.Ritchie, J. L.Ritter, M.Rizzo, G.Roberts, D. A.Robertson, S. H.Roehrken, M.Roney, J. M.Roodman, A.Rossi, A.Rotondo, M.Rozanska, M.Russo, G.Sacco, R.Al Said, S.Sakai, Y.Sandilya, S.Santelj, L.Santoro, V.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schroeder, T.Schubert, K. R.Schwanda, C.Schwartz, A. J.Schwitters, R. F.Sciacca, C.Seddon, R. M.Seino, Y.Sekula, S. J.Senyo, K.Seon, O.Serednyakov, S. I.Sevior, M. E.Shebalin, V.Shibata, T. -A.Shimizu, N.Shiu, J. -G.Simi, G.Simon, F.Simonetto, F.Skovpen, Yu. I.Smith, J. G.Smith, A. J. S.So, R. Y.Sobie, R. J.Soffer, A.Sokoloff, M. D.Solodov, E. P.Solovieva, E.Spanier, S. M.Staric, M.Stroili, R.Sullivan, M. K.Sumisawa, K.Sumiyoshi, T.Summers, D. J.Sun, L.Takizawa, M.Tamponi, U.Tanida, K.Taras, P.Tasneem, N.Tenchini, F.Tisserand, V.Todyshevx, K. Yu.Touramanis, C.Uchida, M.Uglov, T.Unno, Y.Uno, S.Vahsen, S. E.Varner, G.Vasseur, G.Va'vra, J.Cervenkov, D.Verderi, M.Vitale, L.Vorobyev, V.Voss, C.Wagner, S. R.Waheed, E.Waldi, R.Walsh, J. J.Wang, B.Wang, C. H.Wang, M. -Z.Wang, P.Wilson, F. F.Wilson, J. R.Wisniewski, W. J.Won, E.Wormser, G.Wright, D. M.Wu, S. L.Yuan, C. Z.Yusa, Y.Zakharov, S.Zallo, A.Zani, L.Zhang, Z. P.Zhilich, V.Zhukova, V.Zhulanov, V.Zupanc, A.
Issue Date
Dec-2018
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.98, no.11
Journal Title
PHYSICAL REVIEW D
Volume
98
Number
11
URI
http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/30889
DOI
10.1103/PhysRevD.98.112012
ISSN
2470-0010
Abstract
We report measurements of sin 2 beta and cos 2 beta using a time-dependent Dalitz plot analysis of B-0 -> D((*))h(0) with D -> K-S(0)pi(+)pi(-) decays, where the light unflavored and neutral hadron h(0) is a pi(0),eta, or omega meson. The analysis uses a combination of the final data sets of the BABAR and Belle experiments containing 471 x 10(6) and 772 x 10(6) B (B) over bar pairs collected at the gamma(4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. We measure sin 2 beta = 0.80 +/- 0.14(stat) +/- 0.06(syst) +/- 0.03(model) and cos 2 beta = 0.91 +/- 0.22(stat) +/- 0.09(syst) +/- 0.07(model). The result for the direct measurement of the angle is beta = (22.5 +/- 4.4(stat) +/- 1.2(syst) +/- 0.6(model))degrees. The last quoted uncertainties are due to the composition of the D-0 -> K-S(0)pi(+)pi(-) decay amplitude model, which is newly established by a Dalitz plot amplitude analysis of a high-statistics e(+) e(-) -> c (c) over bar data sample as part of this analysis. We find the first evidence for cos 2 beta > 0 at the level of 3.7 standard deviations. The measurement excludes the trigonometric multifold solution pi/2 - beta = (68.1 +/- 0.7)degrees at the level of 7.3 standard deviations and therefore resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle. The hypothesis of beta = 0 degrees is ruled out at the level of 5.1 standard deviations, and thus CP violation is observed in B-0 -> D-(*) h(0) decays. The measurement assumes no direct CP violation in B-0 -> D-(*) h(0) decays.
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