Measurement of the charge asymmetry in B→K*:(892) ±π∓

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

Physical Review D（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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Electroweak Symmetry Breaking

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