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Measurement of CP violation parameters and polarisation fractions in B[subscript s][superscript 0] → J/ψ[¯ over K][superscript ∗ 0] decays

Author(s)
Ilten, Philip J; Williams, Michael
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Abstract
The first measurement of CP asymmetries in the decay (Formula Presented.) and an updated measurement of its branching fraction and polarisation fractions are presented. The results are obtained using data corresponding to an integrated luminosity of 3.0 fb[superscript −1] of proton-proton collisions recorded with the LHCb detector at centre-of-mass energies of 7 and 8 TeV. Together with constraints from B[superscript 0] → J/ψ ρ[superscript 0], the results are used to constrain additional contributions due to penguin diagrams in the CP -violating phase ϕ[subscript s], measured through B[subscript s][superscript 0] decays to charmonium.
Date issued
2015-11
URI
http://hdl.handle.net/1721.1/117369
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
The LHCb collaboration, et al. “Measurement of CP Violation Parameters and Polarisation Fractions in B[subscript s][superscript 0] → J/ψ[ ¯ over K][superscript ∗ 0] Decays.” Journal of High Energy Physics, vol. 2015, no. 11, Nov. 2015. © 2015 The Authors
Version: Final published version
ISSN
1029-8479

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