Search for CPviolation in Λ0b→pK−and Λ0b→pπ−decays
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| Title: | Search for CPviolation in Λ0b→pK−and Λ0b→pπ−decays |
| Author: | LHCb Collaboration Adeva Andany, Bernardo Alves Junior, Antonio Augusto Boente García, Óscar Borsato, Martino Chobanova, Veronika Cid Vidal, Xabier Dosil Suárez, Álvaro Fernández Prieto, Antonio García Plana, Beatriz Lucio Martínez, Miriam Martínez Santos, Diego Plo Casasus, Máximo Prisciandaro, James J. Ramos Pernas, Miguel Romero Vidal, Antonio Saborido Silva, Juan José Sanmartín Sedes, Brais Santamarina Ríos, Cibrán Vázquez Regueiro, Pablo Vieites Díaz, María |
| Affiliation: | Universidade de Santiago de Compostela. Departamento de Física de Partículas Universidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE) |
| Date of Issue: | 2018 |
| Publisher: | Elsevier |
| Citation: | LHCb Collaboration et al. (2018). Search for CPviolation in Λ0b→pK−and Λ0b→pπ−decays. Physics Letters B, 787, 124-133 |
| Abstract: | A search for CPviolation in Λ0b→pK−and Λ0b→pπ−decays is presented using a sample of ppcollisions collected with the LHCb detector and corresponding to an integrated luminosity of 3.0fb−1. The CP-violating asymmetries are measured to be ApK−CP=−0.020 ±0.013 ±0.019and Apπ−CP=−0.035 ±0.017 ±0.020, and their difference ApK−CP−Apπ−CP=0.014 ±0.022 ±0.010, where the first uncertainties are statistical and the second systematic. These are the most precise measurements of such asymmetries to date. |
| Publisher version: | https://doi.org/10.1016/j.physletb.2018.10.039 |
| URI: | http://hdl.handle.net/10347/22309 |
| DOI: | 10.1016/j.physletb.2018.10.039 |
| ISSN: | 0370-2693 |
| E-ISSN: | 1873-2445 |
| Rights: | © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. |
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Except where otherwise noted, this item's license is described as © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.