Abstract
The mixing-induced CP-violating phaseφsin Bs0 and B-s0 decays is measured using the J/ψπ +π -final state in data, taken from 3 fb-1of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass pp collisions at the LHC. A time-dependent flavour-tagged amplitude analysis, allowing for direct CP violation, yields a value for the phaseφs= 70 ± 68 ± 8 mrad. This result is consistent with the Standard Model expectation and previous measurements. © 2014 The Authors.
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CITATION STYLE
Aaij, R., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., … Zvyagin, A. (2014). Measurement of the CP-violating phaseφsin B-s0→J/ψπ+π- decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 736, 186–195. https://doi.org/10.1016/j.physletb.2014.06.079
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