Measurement of the charge asymmetry inBK*(892)

B. I. Eisenstein,G. D. Gollin, I. Karliner, N. Lowrey, C. Plager, C. Sedlack, M. Selen,J. J. Thaler,James S. Williams,K. W. Edwards, D. Besson,S. Anderson,V. V. Frolov,D. T. Gong,Y. Kubota,S. Z. Li,R. Poling, A. Smith, C. J. Stepaniak, J. Urheim, Z. Metreveli,K. K. Seth, A. Tomaradze, P. Zweber, S. Ahmed,M. S. Alam, J. Ernst, L. Jian, M. Saleem,F. R. Wappler, K. Arms, E. Eckhart,K. K. Gan, C. Gwon,K. Honscheid,H. Kagan, R. Kass,T. K. Pedlar,E. von Toerne, H. Severini, P. Skubic,S. A. Dytman, J. Muêller, S. Nam, V. Savinov,J. W. Hinson,G. S. Huang,J. Lee,D. H. Miller, V. Pavlunin, B. Sanghi,E. I. Shibata, I. P. J. Shipsey, D. Cronin-Hennessy,C. S. Park, W. Park,J. B. Thayer,E. H. Thorndike,T. E. Coan,Y. S. Gao,F. Liu, R. Stroynowski, M. Artuso, C. Boulahouache, S. Blusk, E. Dambasuren,O. Dorjkhaidav, R. Mountain, H. Muramatsu, R. Nandakumar, T. Skwarnicki, S. Stone,J. C. Wang,A. H. Mahmood,S. E. Csorna, I. Dankó, G. Bonvicini,D. Cinabro, M. Dubrovin, Steven McGee,A. Bornheim, E. Lipeles,S. P. Pappas, A. Shapiro, W. Sun,A. J. Weinstein,R. A. Briere,G. P. Chen, T. Ferguson, G. Tatishvili,H. Vogel,M. E. Watkins, N. Adam, J. P. Alexander, K. Berkelman, V. Boisvert,D. G. Cassel,J. E. Duboscq,K. M. Ecklund

Physical review(2003)

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摘要
We report on a search for a CP-violating asymmetry in the charmless hadronic decay B -> K*(892)+- pi-+, using 9.12 fb^-1 of integrated luminosity produced at \sqrt{s}=10.58 GeV and collected with the CLEO detector. We find A_{CP}(B -> K*(892)+- pi-+) = 0.26+0.33-0.34(stat.)+0.10-0.08(syst.), giving an allowed interval of [-0.31,0.78] at the 90% confidence level.
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关键词
asymmetry,charge,measurement
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