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Measurement of the mass difference m(B-0)-m(B+)

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BABAR Collaboration (Including:

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Garra Tico, J., Grauges, E. et al.
). (2008) Measurement of the mass difference m(B-0)-m(B+). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.1). article no. 011103. doi:10.1103/PhysRevD.78.011103 ISSN 1550-7998.

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Official URL: http://dx.doi.org/10.1103/PhysRevD.78.011103

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Abstract

Using 230 x 10(6) B (B) over bar events recorded with the BABAR detector at the e(+)e(-) storage rings PEP-II, we reconstruct approximately 4100 B-0 -> J/psi K+pi(-) and 9930 B+ -> J/psi K+ decays with J/psi -> mu(+)mu(-) and e(+)e(-). From the measured B-momentum distributions in the e(+)e(-) rest frame, we determine the mass difference m(B-0) - m(B+) = (+0.33 +/- 0.05 +/- 0.03) MeV/c(2).

Item Type: Journal Article
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title: Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher: American Physical Society
ISSN: 1550-7998
Official Date: July 2008
Dates:
DateEvent
July 2008Published
Volume: Vol.78
Number: No.1
Number of Pages: 8
Page Range: article no. 011103
DOI: 10.1103/PhysRevD.78.011103
Status: Peer Reviewed
Publication Status: Published
Funder: DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation

Data sourced from Thomson Reuters' Web of Knowledge

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