Q. Fan
Yale University
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Featured researches published by Q. Fan.
Physical Review Letters | 2001
B. Aubert; D. Boutigny; I. De Bonis; J.M. Gaillard; A. Jeremie; Y. Karyotakis; J. P. Lees; P. Robbe; Tisserand; A. Palano; G. P. Chen; J. C. Chen; N. D. Qi; G. Rong; P. Wang; Y. S. Zhu; G. Eigen; P.L. Reinertsen; B. Stugu; B. Abbott; G. S. Abrams; A. W. Borgland; A. B. Breon; D. N. Brown; J. Button-Shafer; R. N. Cahn; A. Clark; S. Dardin; C. T. Day; S. Dow
We present measurements of time-dependent CP-violating asymmetries in neutral B decays to several CP eigenstates. The measurement uses a data sample of 23x10(6) Upsilon(4S)-->BbarB decays collected by the BABAR detector at the PEP-II asymmetric B Factory at SLAC. In this sample, we find events in which one neutral B meson is fully reconstructed in a CP eigenstate containing charmonium and the flavor of the other neutral B meson is determined from its decay products. The amplitude of the CP-violating asymmetry, which in the standard model is proportional to sin2beta, is derived from the decay time distributions in such events. The result is sin2beta = 0.34+/-0.20 (stat)+/-0.05 (syst).
Nuclear Instruments and Methods | 2001
B. Aubert; B. Abbott; G. S. Abrams; L. Amerman; A. W. Borgland; A. B. Breon; D. N. Brown; J. Button-Shafer; A. Clark; S. Dardin; C. T. Day; S. Dow; Q. Fan; I. Gaponenko; Gill; F. Goozen; S. J. Gowdy; A. V. Gritsan; Y. Groysman; C. Hernikl; R. G. Jacobsen; R. C. Jared; R. W. Kadel; J. Kadyk; A. Karcher; Lt Kerth; I. Kipnis; S. Kluth; J. F. Kral; R. Lafever
