Measurement Of The Branching Fraction And Polarization For The Decay B- -> (Dk*-)-K-*0

B. Aubert,R. Barate, D. Boutigny,J.-M. Gaillard, A. Hicheur,Y. Karyotakis,J. P. Lees,P. Robbe,V. Tisserand,A. Zghiche,A. Palano, A. Pompili, J. C. Chen,N. D. Qi, G. Rong, P. Wang, Y. S. Zhu,G. Eigen,I. Ofte,B. Stugu,G. S. Abrams, A. W. Borgland,A. B. Breon, D. N. Brown,J. Button-Shafer,R. N. Cahn, E. Charles,M. S. Gill, A. V. Gritsan,Y. Groysman,R. G. Jacobsen,R. W. Kadel,J. Kadyk,L. T. Kerth,G. Kolomensky,J. F. Kral, G. Kukartsev,C. LeClerc,M. E. Levi,G. Lynch,L. M. Mir,P. J. Oddone, T. J. Orimoto,M. Pripstein,N. A. Roe,A. Romosan,M. T. Ronan,V. G. Shelkov,A. V. Telnov,W. A. Wenzel, K. Ford,T. J. Harrison, C. M. Hawkes,D. J. Knowles,S. E. Morgan,R. C. Penny, A. T. Watson,N. K. Watson,K. Goetzen,T. Held, H. Koch,B. Lewandowski,M. Pelizaeus, K. Peters,H. Schmuecker, M. Steinke,N. R. Barlow, J. T. Boyd,N. Chevalier,W. N. Cottingham,M. P. Kelly,T. E. Latham,C. Mackay, F. F. Wilson,K. Abe,T. Cuhadar-Donszelmann, C. Hearty,T. S. Mattison,J. A. McKenna,D. Thiessen, P. Kyberd,A. K. 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PHYSICAL REVIEW LETTERS(2004)

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摘要
We present a study of the decay B- --> D*K-0*(-) based on a sample of 86 X 10(6) Y(4S) --> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure the branching fraction 23(B- --> D*K-0*(-)) = (8.3 +/- 1.1(stat) +/- 1.0(syst)) X 10(-4), and the fraction of longitudinal polarization in this decay to be Gamma(L)/Gamma = 0.86 +/- 0.06(stat) --> +/- 0.03(syst).
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medicine,biology,apply,it,physics,mathematics
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