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Study of CP violation in Dalitz-plot analyses of B0→K+K-KS0, B+→K+K-K+, and B+→KS0KS0K+

  • Author(s): Lees, JP;
  • Poireau, V;
  • Tisserand, V;
  • Garra Tico, J;
  • Grauges, E;
  • Milanes, DA;
  • Palano, A;
  • Pappagallo, M;
  • Eigen, G;
  • Stugu, B;
  • Brown, DN;
  • Kerth, LT;
  • Kolomensky, YG;
  • Lynch, G;
  • Koch, H;
  • Schroeder, T;
  • Asgeirsson, DJ;
  • Hearty, C;
  • Mattison, TS;
  • McKenna, JA;
  • Khan, A;
  • Blinov, VE;
  • Buzykaev, AR;
  • Druzhinin, VP;
  • Golubev, VB;
  • Kravchenko, EA;
  • Onuchin, AP;
  • Serednyakov, SI;
  • Skovpen, YI;
  • Solodov, EP;
  • Todyshev, KY;
  • Yushkov, AN;
  • Bondioli, M;
  • Kirkby, D;
  • Lankford, AJ;
  • Mandelkern, M;
  • Atmacan, H;
  • Gary, JW;
  • Liu, F;
  • Long, O;
  • Vitug, GM;
  • Campagnari, C;
  • Hong, TM;
  • Kovalskyi, D;
  • Richman, JD;
  • West, CA;
  • Eisner, AM;
  • Kroseberg, J;
  • Lockman, WS;
  • Martinez, AJ;
  • Schalk, T;
  • Schumm, BA;
  • Seiden, A;
  • Chao, DS;
  • Cheng, CH;
  • Doll, DA;
  • Echenard, B;
  • Flood, KT;
  • Hitlin, DG;
  • Ongmongkolkul, P;
  • Porter, FC;
  • Rakitin, AY;
  • Andreassen, R;
  • Huard, Z;
  • Meadows, BT;
  • Sokoloff, MD;
  • Sun, L;
  • Bloom, PC;
  • Ford, WT;
  • Gaz, A;
  • Nagel, M;
  • Nauenberg, U;
  • Smith, JG;
  • Wagner, SR;
  • Ayad, R;
  • Toki, WH;
  • Spaan, B;
  • Kobel, MJ;
  • Schubert, KR;
  • Schwierz, R;
  • Bernard, D;
  • Verderi, M;
  • Clark, PJ;
  • Playfer, S;
  • Bettoni, D;
  • Bozzi, C;
  • Calabrese, R;
  • Cibinetto, G;
  • Fioravanti, E;
  • Garzia, I;
  • Luppi, E;
  • Munerato, M;
  • Negrini, M;
  • Piemontese, L;
  • Santoro, V;
  • Baldini-Ferroli, R;
  • Calcaterra, A;
  • De Sangro, R;
  • Finocchiaro, G;
  • Patteri, P
  • et al.

Published Web Location

https://doi.org/10.1103/PhysRevD.85.112010Creative Commons 'BY' version 4.0 license
Abstract

We perform amplitude analyses of the decays B0→K +K -KS0, B +→K +K -K +, and B +→KS0KS0K +, and measure CP-violating parameters and partial branching fractions. The results are based on a data sample of approximately 470×106 BB̄ decays, collected with the BABAR detector at the PEP-II asymmetric-energy B factory at the SLAC National Accelerator Laboratory. For B +→K +K -K +, we find a direct CP asymmetry in B +→(1020)K + of A CP=(12.8±4.4±1.3)%, which differs from zero by 2.8σ. For B0→K +K -KS0, we measure the CP-violating phase β eff((1020)KS0)=(21±6±2)°. For B +→KS0KS0K +, we measure an overall direct CP asymmetry of A CP=(4-5+4±2)%. We also perform an angular-moment analysis of the three channels and determine that the f X(1500) state can be described well by the sum of the resonances f 0(1500), f2′(1525), and f 0(1710). © 2012 American Physical Society.

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