Abstract
Using 230×106 BB̄ events recorded with the BABAR detector at the e+e- storage rings PEP-II, we reconstruct approximately 4100 B0→J/ψK+π- and 9930 B+→J/ψK+ decays with J/ψ→μ+μ- and e+e-. From the measured B-momentum distributions in the e+e- rest frame, we determine the mass difference m(B0)-m(B+)=(+0. 33±0.05±0.03)MeV/c2. © 2008 The American Physical Society.
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CITATION STYLE
APA
Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., … Wu, S. L. (2008). Measurement of the mass difference m(B0)-m(B+). Physical Review D - Particles, Fields, Gravitation and Cosmology, 78(1). https://doi.org/10.1103/PhysRevD.78.011103
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