PoS - Proceedings of Science
Volume 291 - 9th International Workshop on the CKM Unitarity Triangle (CKM2016) - Parallel WG4/5
Measurement of time-dependent CP -violating asymmetries in $B^0\to\pi^+\pi^-$ and $B_s^0\to K^+K^-$ decays at LHCb
S. Perazzini* on behalf of the LHCb collaboration
*corresponding author
Full text: pdf
Pre-published on: June 10, 2017
Published on: June 13, 2017
Using a data sample of \proton\proton collisions corresponding to an integrated luminosity of 3\invfb, collected with the LHCb detector at a centre-of-mass energies of 7 and 8 TeV, the $C\!P$-violating asymmetries in the decay and in the interference between mixing and decay in the $B^0\to\pi^+\pi^-$ and $B_s^0\to K^+K^-$ modes are measured. The results are $C_{\pi^+\pi^-} = -0.24 \pm 0.07 \pm 0.01$, $S_{\pi^+\pi^-} = -0.68 \pm 0.06 \pm 0.01$, $C_{K^+K^-} = 0.24 \pm 0.06 \pm 0.02$, $C_{K^+K^-} = 0.22 \pm 0.06 \pm 0.02$, and $C_{K^+K^-} = -0.75 \pm 0.07 \pm 0.11$, where the first uncertainties are statistical and the second systematic.
DOI: https://doi.org/10.22323/1.291.0098
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.