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Observation of B0→χc0K*0 and evidence for B+→χc0K*+

  • Author(s): Aubert, B;
  • Bona, M;
  • Karyotakis, Y;
  • Lees, JP;
  • Poireau, V;
  • Prencipe, E;
  • Prudent, X;
  • Tisserand, V;
  • Tico, JG;
  • Grauges, E;
  • Lopez, L;
  • Palano, A;
  • Pappagallo, M;
  • Eigen, G;
  • Stugu, B;
  • Sun, L;
  • Abrams, GS;
  • Battaglia, M;
  • Brown, DN;
  • Cahn, RN;
  • Jacobsen, RG;
  • Kerth, LT;
  • Kolomensky, YG;
  • Lynch, G;
  • Osipenkov, IL;
  • Ronan, MT;
  • Tackmann, K;
  • Tanabe, T;
  • Hawkes, CM;
  • Soni, N;
  • Watson, AT;
  • Koch, H;
  • Schroeder, T;
  • Walker, D;
  • Asgeirsson, DJ;
  • Fulsom, BG;
  • Hearty, C;
  • Mattison, TS;
  • McKenna, JA;
  • Barrett, M;
  • Khan, A;
  • Blinov, VE;
  • Bukin, AD;
  • Buzykaev, AR;
  • Druzhinin, VP;
  • Golubev, VB;
  • Onuchin, AP;
  • Serednyakov, SI;
  • Skovpen, YI;
  • Solodov, EP;
  • Todyshev, KY;
  • Bondioli, M;
  • Curry, S;
  • Eschrich, I;
  • Kirkby, D;
  • Lankford, AJ;
  • Lund, P;
  • Mandelkern, M;
  • Martin, EC;
  • Stoker, DP;
  • Abachi, S;
  • Buchanan, C;
  • Gary, JW;
  • Liu, F;
  • Long, O;
  • Shen, BC;
  • Vitug, GM;
  • Yasin, Z;
  • Zhang, L;
  • Sharma, V;
  • Campagnari, C;
  • Hong, TM;
  • Kovalskyi, D;
  • Mazur, MA;
  • Richman, JD;
  • Beck, TW;
  • Eisner, AM;
  • Flacco, CJ;
  • Heusch, CA;
  • Kroseberg, J;
  • Lockman, WS;
  • Martinez, AJ;
  • Schalk, T;
  • Schumm, BA;
  • Seiden, A;
  • Wilson, MG;
  • Winstrom, LO;
  • Cheng, CH;
  • Doll, DA;
  • Echenard, B;
  • Fang, F;
  • Hitlin, DG;
  • Narsky, I;
  • Piatenko, T;
  • Porter, FC;
  • Andreassen, R;
  • Mancinelli, G;
  • Meadows, BT;
  • Mishra, K;
  • Sokoloff, MD
  • et al.

Published Web Location

https://doi.org/10.1103/PhysRevD.78.091101Creative Commons 'BY' version 4.0 license
Abstract

We present the observation of the decay B0→χc0K*0 as well as evidence of B+→χc0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of 454×106 Υ(4S)→BB̄ decays collected with the BABAR detector at the PEP-II B meson factory located at the Stanford Linear Accelerator Center (SLAC). The measured branching fractions are B(B0→χc0K*0)=(1.7±0. 3±0.2)×10-4 and B(B+→χc0K*+)=(1.4±0. 5±0.2)×10-4, where the first quoted errors are statistical and the second are systematic. We obtain a branching fraction upper limit of B(B+→χc0K*+)<2.1×10-4 at the 90% confidence level. © 2008 The American Physical Society.

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