Measurement of CP violation parameters and polarisation fractions in B0s→J/ψK∗0 decays
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Abstract
The first measurement of CP asymmetries in the decay B0s→J/ψK∗(892)0 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−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 0 → J/ψ ρ 0, the results are used to constrain additional contributions due to penguin diagrams in the CP -violating phase ϕ s , measured through B 0s decays to charmonium.
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Aaij, R., Adeva, B., Adinolfi, M. et al. Measurement of CP violation parameters and polarisation fractions in B0s→J/ψK∗0 decays. J. High Energ. Phys. 2015, 82 (2015). https://doi.org/10.1007/JHEP11(2015)082
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© CERN, for the bene t of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made