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http://hdl.handle.net/2445/186396| Title: | Measurement of CP observables in B± → DK± and B± → Dπ± with two- and four-body D decays |
| Author: | Garrido Beltrán, Lluís Gascón Fora, David Graciani Diaz, Ricardo Graugés Pous, Eugeni Marin Benito, Carla Picatoste Olloqui, E. Rives, V. Calvo Gomez, M. Vilasis-Cardona, X. LHCb collaboration |
| Keywords: | Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| Issue Date: | 2016 |
| Publisher: | Elsevier B.V. |
| Abstract: | Measurements of CP observables in B± → D K ± and B± → Dπ± decays are presented where the D meson is reconstructed in the final states K ±π∓, π± K ∓, K + K −, π+π−, K ±π∓π+π−, π± K ∓π+π− and π+π−π+π−. This analysis uses a sample of charged B mesons from pp collisions collected by the LHCb experiment in 2011 and 2012, corresponding to an integrated luminosity of 3.0 fb−1. Various CP-violating effects are reported and together these measurements provide important input for the determination of the unitarity triangle angle γ . The analysis of the four-pion D decay mode is the first of its kind. © 2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license |
| Note: | Reproducció del document publicat a: https://doi.org/10.1016/j.physletb.2016.06.022 |
| It is part of: | Physics Letters B, 2016, vol. 760, p. 117-131 |
| URI: | http://hdl.handle.net/2445/186396 |
| Related resource: | https://doi.org/10.1016/j.physletb.2016.06.022 |
| ISSN: | 0370-2693 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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