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Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B + → J/ψπ + and B + → J/ψK +
Name
Aaij2017_Article_MeasurementOfTheRatioOfBranchi.pdf
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932.58 KB
Format
Adobe PDF
Checksum (MD5)
485d58a400a5b743969c587198b6283b
Date Issued
2017
Journal
Journal of High Energy Physics
Publisher
Springer Science and Business Media LLC
Citation
The, LHCb collaboration, et al. "Measurement of the Ratio of Branching Fractions and Difference in Cp Asymmetries of the Decays B + ? J/?p + and B + ? J/?k +." Journal of High Energy Physics 2017 3 (2017).
Version
Final published version
Abstract
© 2017, The Author(s). The ratio of branching fractions and the difference in CP asymmetries of the decays B+ → J/ψπ+ and B+ → J/ψK+ are measured using a data sample of pp collisions collected by the LHCb experiment, corresponding to an integrated luminosity of 3 fb−1 at centre-of-mass energies of 7 and 8 TeV. The results are (Formula presented.) where the first uncertainties are statistical and the second are systematic. Combining this result with a recent LHCb measurement of AC P(B+→ J/ ψK+) provides the most precise estimate to date of CP violation in the decay B+ → J/ψπ+, (Formula presented.).
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Creative Commons Attribution 4.0 International license
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DOI of Published Version
http://dx.doi.org/10.1007/JHEP03(2017)036
