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Search for decays of B0 mesons into e+e-, μ+μ- and e±μ final states
- Aubert, B;
- Bona, M;
- Boutigny, D;
- Karyotakis, Y;
- Lees, JP;
- Poireau, V;
- Prudent, X;
- Tisserand, V;
- Zghiche, A;
- Garra Tico, J;
- Grauges, E;
- Lopez, L;
- Palano, A;
- Pappagallo, M;
- Eigen, G;
- Stugu, B;
- Sun, L;
- Abrams, GS;
- Battaglia, M;
- Brown, DN;
- Button-Shafer, J;
- Cahn, RN;
- Groysman, Y;
- Jacobsen, RG;
- Kadyk, JA;
- Kerth, LT;
- Kolomensky, YG;
- Kukartsev, G;
- Lopes Pegna, D;
- Lynch, G;
- Mir, LM;
- Orimoto, TJ;
- Osipenkov, IL;
- Ronan, MT;
- Tackmann, K;
- Tanabe, T;
- Wenzel, WA;
- Del Amo Sanchez, P;
- Hawkes, CM;
- Watson, AT;
- Koch, H;
- Schroeder, T;
- Walker, D;
- Asgeirsson, DJ;
- Cuhadar-Donszelmann, T;
- Fulsom, BG;
- Hearty, C;
- Mattison, TS;
- McKenna, JA;
- Barrett, M;
- Khan, A;
- Saleem, M;
- Teodorescu, L;
- Blinov, VE;
- Bukin, AD;
- 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;
- Foulkes, SD;
- Gary, JW;
- Liu, F;
- Long, O;
- Shen, BC;
- Vitug, GM;
- Zhang, L;
- Paar, HP;
- Rahatlou, S;
- Sharma, V;
- Berryhill, JW;
- Campagnari, C;
- Cunha, A;
- Dahmes, B;
- Hong, TM;
- Kovalskyi, D;
- Richman, JD;
- Beck, TW;
- Eisner, AM;
- Flacco, CJ;
- Heusch, CA;
- Kroseberg, J;
- Lockman, WS;
- Schalk, T;
- Schumm, BA;
- Seiden, A;
- Wilson, MG
- et al.
Abstract
We present a search for the decays B0→e+e-, B0→μ+μ-, and B0→e±μ using data collected with the BABAR detector at the PEP-II e+e- collider at SLAC. Using a data set corresponding to 384×106 BB̄ pairs, we do not find evidence of any of the three decay modes. We obtain upper limit on the branching fractions, at 90% confidence level, of B(B0→e+e-)<11.3×10-8, B(B0→μ+μ-)<5.2×10-8, and B(B0→e±μ)<9.2×10-8. © 2008 The American Physical Society.
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