Measurement Of B(D-0 -> K-Pi(+)) Using Partial Reconstruction Of (B)Over-Bar -> D(*+)Xl(-)(Nu)Over-Bar

M. Artuso, F. Azfar,A. Efimov,M. Goldberg, D. He,S. Kopp, G. Moneti,R. Mountain,S. Schuh,T. Skwarnicki, S. Stone,G. Viehhauser, X. Xing, J. Bartelt, S. Csorna,V. Jain,K. McLean,S. Marka, R. Godang,K. Kinoshita,I. Lai,P. Pomianowski,S. Schrenk,G. Bonvicini,D. Cinabro,R. Greene,L. Perera,G. Zhou,M. Chadha,S. Chan,G. Eigen,J. Miller,C. O'Grady,M. Schmidtler,J. Urheim,A. Weinstein, F. Würthwein,D. Bliss, G. Masek, H. Paar, S. Prell,V. Sharma,D. Asner, J. Gronberg,T. Hill,D. Lange,R. Morrison,H. Nelson,T. Nelson,D. Roberts, A. Ryd,R. Balest,B. Behrens,W. Ford,H. Park,J. Roy,J. Smith, J. Alexander,R. Baker,C. Bebek,B. Berger,K. Berkelman,K. Bloom, V. Boisvert,D. Cassel,D. Crowcroft,M. Dickson,S. von Dombrowski, P. Drell, K. Ecklund,R. Ehrlich,A. Foland,P. Gaidarev, L. Gibbons,B. Gittelman, S. Gray,D. Hartill, B. Heltsley,P. Hopman,J. Kandaswamy, P. Kim,D. Kreinick,T. Lee,Y. Liu,N. Mistry,C. Ng, E. Nordberg,M. Ogg,J. Patterson, D. Peterson, D. Riley, A. Soffer,B. Valant-Spaight,C. Ward,M. Athanas, P. Avery,C. Jones, M. Lohner,S. Patton, C. Prescott, J. Yelton, J. Zheng, G. Brandenburg,R. Briere, A. Ershov, Y. Gao,D. Kim,R. Wilson,H. Yamamoto, T. Browder, Y. Li, J. Rodriguez,T. Bergfeld,B. Eisenstein, J. Ernst,G. Gladding, G. Gollin,R. Hans,E. Johnson, I. Karliner,M. Marsh,M. Palmer,M. Selen,J. Thaler, K. Edwards, A. Bellerive,R. Janicek, D. MacFarlane,P. Patel, A. Sadoff,R. Ammar, P. Baringer,A. Bean, D. Besson,D. Coppage,C. Darling,R. Davis,S. Kotov,I. Kravchenko,N. Kwak,L. Zhou,S. Anderson,Y. Kubota, S. Lee,J. O'Neill, R. Poling,T. Riehle,A. Smith,M. Alam,S. Athar,Z. Ling,A. Mahmood,S. Timm,F. Wappler, A. Anastassov,J. Duboscq,D. Fujino,K. Gan, T. Hart,K. Honscheid, H. Kagan, R. Kass,J. Lee,M. Spencer,M. Sung, A. Undrus,R. Wanke, A. Wolf, M. Zoeller,B. Nemati,S. Richichi,W. Ross, H. Severini, P. Skubic,M. Bishai,J. Fast,J. Hinson,N. Menon,D. Miller, E. Shibata, I. Shipsey, M. Yurko,S. Glenn,S. Johnson,Y. Kwon,S. Roberts,E. Thorndike,C. Jessop,K. Lingel,H. Marsiske,M. Perl, V. Savinov, D. Ugolini,R. Wang,X. Zhou,T. Coan,V. Fadeyev, I. Korolkov, Y. Maravin,I. Narsky,V. Shelkov,J. Staeck, R. Stroynowski, I. Volobouev,J. Ye

PHYSICAL REVIEW LETTERS(1998)

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摘要
We present a measurement of the absolute branching fraction for D-0 --> K- pi(+) using the reconstruction of the decay chain (B)over-bar --> D(*+)Xl(-)(v)over-bar, D*+ --> D-0 pi(+) when only the lepton and the low-momentum pion from the D*+ are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D-0 --> K(-)pi(+)) = [3.81 +/- 0.15(stat) +/- 0.16(syst)]%.
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