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Measurement of the B0 → K2*(1430) 0γ and B+ → K2*(1430) +γ branching fractions
- Aubert, B;
- Barate, R;
- Boutigny, D;
- Couderc, F;
- Gaillard, JM;
- Hicheur, A;
- Karyotakis, Y;
- Lees, JP;
- Tisserand, V;
- Zghiche, A;
- Palano, A;
- Pompili, A;
- Chen, JC;
- Qi, ND;
- Rong, G;
- Wang, P;
- Zhu, YS;
- Eigen, G;
- Ofte, I;
- Stugu, B;
- Abrams, GS;
- Borgland, A;
- Breon, AB;
- Brown, DN;
- Button-Shafer, J;
- Cahn, RN;
- Charles, E;
- Day, CT;
- Gill, MS;
- Gritsan, AV;
- Groysman, Y;
- Jacobsen, RG;
- Kadel, RW;
- Kadyk, J;
- Kerth, LT;
- Kolomensky, YG;
- Kukartsev, G;
- Lynch, G;
- Mir, LM;
- Oddone, PJ;
- Orimoto, TJ;
- Pripstein, M;
- Roe, NA;
- Ronan, MT;
- Shelkov, VG;
- Wenzel, WA;
- Barrett, M;
- Ford, KE;
- Harrison, TJ;
- Hart, AJ;
- Hawkes, CM;
- Morgan, SE;
- Watson, AT;
- Fritsch, M;
- Goetzen, K;
- Held, T;
- Koch, H;
- Lewandowski, B;
- Pelizaeus, M;
- Steinke, M;
- Boyd, JT;
- Chevalier, N;
- Cottingham, WN;
- Kelly, MP;
- Latham, TE;
- Wilson, FF;
- Cuhadar-Donszelmann, T;
- Hearty, C;
- Knecht, NS;
- Mattison, TS;
- McKenna, JA;
- Thiessen, D;
- Khan, A;
- Kyberd, P;
- Teodorescu, L;
- Blinov, AE;
- Blinov, VE;
- Druzhinin, VP;
- Golubev, VB;
- Ivanchenko, VN;
- Kravchenko, EA;
- Onuchin, AP;
- Serednyakov, SI;
- Skovpen, YI;
- Solodov, EP;
- Yushkov, AN;
- Best, D;
- Bruinsma, M;
- Chao, M;
- Eschrich, I;
- Kirkby, D;
- Lankford, AJ;
- Mandelkern, M;
- Mommsen, RK;
- Roethel, W;
- Stoker, DP;
- Buchanan, C;
- Hartfiel, BL;
- Foulkes, SD;
- Gary, JW
- et al.
Abstract
We have investigated the exclusive, radiative B meson decays to K 2*(1430) in 89 × 106 BB̄ events with the BABAR detector at the PEP-II storage ring. We measure the branching fractions B(B0 → K2*(1430)0γ) = (1.22 ± 0.25 ± 0.10) × 10-5 and B(B+ → K2*(1430)+γ) = (1.45 ± 0.40 ± 0.15) × 10-5, where the first error is statistical and the second systematic. In addition, we measure the CP-violating asymmetry A CP[B0 → K2*(1430) 0γ] = -0.08 ± 0.15 ± 0.01.
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