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Measurement of the mass difference m(B0)-m(B+)

Aubert, B. et al. (2008) Measurement of the mass difference m(B0)-m(B+). Physical Review D, 78 (1). 011103. ISSN 1550-7998

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Using 230×106 BB̅ 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.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
Depositing User: Sharon Beastall
Date Deposited: 12 May 2011 11:58
Last Modified: 28 Aug 2021 11:06


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