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Rare B Decays Into States Containing A J/Psi Meson And A Meson With S(S)Over-Bar Quark Content

B. Aubert,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,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,T. J. Harrison,C. M. Hawkes,D. J. Knowles,S. W. O'Neale,R. C. Penny,A. T. Watson,N. K. Watson,T. Deppermann,K. Goetzen,H. Koch,B. Lewandowski,K. Peters,H. Schmuecker,M. Steinke,N. R. Barlow,W. Bhimji,J. T. Boyd,N. Chevalier,P. J. Clark,W. N. Cottingham,C. Mackay,F. Wilson,K. Abe,C. Hearty,T. Mattison,J. McKenna,D. Thiessen,S. Jolly,A. McKemey,V. Blinov,A. Bukin,A. Buzykaev,V. Golubev,V. Ivanchenko,A. Korol,E. Kravchenko,A. Onuchin,S. 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Sekula,J. von Wimmersperg-Toeller,J. Wu,S. Wu,Z. Yu,H. Neal

PHYSICAL REVIEW LETTERS(2003)

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摘要
We report a study of the B meson decays, B+-->J/psiphiK(+), B-0-->J/psiphiK(S)(0), B-0-->J/psiphi, B-0-->J/psieta, and B-0-->J/psieta' using 56x10(6) B (B) over bar events collected at the Y(4S) resonance with the BABAR detector at the PEP-II e(+)e(-) asymmetric-energy storage ring. We measure the branching fractions B(B+-->J/psiphiK(+))=(4.4+/-1.4(stat)+/-0.5(syst))x10(-5) and B(B-0-->J/psiphiK(S)(0))=(5.1+/-1.9(stat)+/-0.5(syst))x10(-5), and set upper limits at 90% confidence level for the branching fractions B(B-0-->J/psiphi)<9.2x10(-6), B(B-0-->J/psieta)<2.7x10(-5), and B(B-0-->J/psieta('))<6.3x10(-5).
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