Measurements Of Branching Fractions And Dalitz Distributions For B-0 ->(Dk0)-K-(*)+/-Pi(-/+) Decays
B. Aubert,R. Barate, D. Boutigny, F. Couderc,Y. Karyotakis,J. P. Lees,V. Poireau,V. Tisserand,A. Zghiche,E. Grauges-Pous,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, G. Kukartsev,G. Lynch,L. M. Mir,P. J. Oddone,T. J. Orimoto,M. Pripstein,N. A. Roe,M. T. Ronan,W. A. Wenzel,M. Barrett,K. E. Ford,T. J. Harrison,A. J. Hart,C. M. Hawkes,S. E. Morgan,A. T. Watson,M. Fritsch,K. Goetzen,T. Held,H. Koch,B. Lewandowski,M. Pelizaeus,T. Schroeder, M. Steinke,J. T. Boyd,N. Chevalier,W. N. Cottingham,M. P. Kelly,T. E. Latham,F. F. Wilson,T. Cuhadar-Donszelmann,C. Hearty,N. S. Knecht,T. S. Mattison,J. A. McKenna,D. Thiessen, A. Khan, P. Kyberd,L. Teodorescu,A. E. Blinov,V. E. Blinov,V. P. Druzhinin,V. B. Golubev,V. N. Ivanchenko,E. A. Kravchenko,E. 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PHYSICAL REVIEW LETTERS（2005）
引用 19|浏览336
摘要
We present measurments of the branching fractions for the three-body decays B-0 -> (DK0)-K-(*) -/+pi(+/-) and their resonant submodes B0 -> D(*)K--/+*(+/-) usinga sample of approximately 88 x 10(6) B (B) over bar pairs collected by the BABER detector at the SLAC PEP-II assymetric energy storage ring. We measure: B(B-0 ->(DK0)-K--/+pi(+/-)) = (4.9 +/- 0.7(stat) +/- 0.5(syst)) x 10(-4), B(B-0 -> D*K--/+(0)pi(+/-)) = (3.0 +/- 0.7(stat) +/- 0.3(syst)) x 10(-4), B(B-0 ->(DK)-K--/+*(+/-)) = (4.6 +/- 0.6(stat) +/- 0.5(syst)) x 10(-4), B(B-0 -> D*K--/+*(+/-) = (3.2 +/- 0.6(stat) +/- 0.3(syst)) x 10(-4). From these measurements we determine the fractions of resonant events to be f(B0 -> (DK)-K-+/-*(-/+)) = 0.63 +/- 0.08(stat) +/- 0.04(syst) and f(B-0 -> D*K--/+*(+/-)) = 0.72 +/- 0.14(stat) +/- 0.05(syst).
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elementary particles,energy storage
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