Search for CP violation in D0→π−π+π0 decays with the energy test
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| Title: | Search for CP violation in D0→π−π+π0 decays with the energy test |
| Author: | LHCb Collaboration Adeva Andany, Bernardo Álvarez Cartelle, Paula Dosil Suárez, Álvaro Fernández Albor, Víctor Manuel Gallas Torreira, Abraham Antonio García Pardiñas, Julián Hernando Morata, José Ángel Plo Casasus, Máximo Romero Vidal, Antonio Saborido Silva, Juan José Sanmartín Sedes, Brais Santamarina Ríos, Cibrán Vázquez Regueiro, Pablo Vázquez Sierra, Carlos 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: | 2015 |
| Publisher: | Elsevier |
| Citation: | Aaij, R., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., ... & Alkhazov, G. (2015). Search for CP violation in D0→ π− π+ π0 decays with the energy test. Physics Letters B, 740, 158-167 |
| Abstract: | A search for time-integrated CPviolation in the Cabibbo-suppressed decay D0→π−π+π0is performed using for the first time an unbinned model-independent technique known as the energy test. Using proton–proton collision data, corresponding to an integrated luminosity of 2.0fb−1collected by the LHCbdetector at a centre-of-mass energy of √s=8TeV, the world’s best sensitivity to CPviolation in this decay is obtained. The data are found to be consistent with the hypothesis of CPsymmetry with a p-value of (2.6 ±0.5)% |
| Publisher version: | https://doi.org/10.1016/j.physletb.2014.11.043 |
| URI: | http://hdl.handle.net/10347/21856 |
| DOI: | 10.1016/j.physletb.2014.11.043 |
| ISSN: | 0370-2693 |
| E-ISSN: | 1873-2445 |
| Rights: | ©2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/). Funded by SCOAP3 |
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Except where otherwise noted, this item's license is described as ©2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/). Funded by SCOAP3