First study of the CP-violating phase and decay-width difference in B0s→ψ(2S)φ decays
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| Title: | First study of the CP-violating phase and decay-width difference in B0s→ψ(2S)φ decays |
| Author: | LHCb Collaboration Adeva Andany, Bernardo Borsato, Martino Chobanova, Veronika Cid Vidal, Xabier Dosil Suárez, Álvaro Fernández Albor, Víctor Manuel Fernández Prieto, Antonio Gallas Torreira, Abraham Antonio García Pardiñas, Julián Hernando Morata, José Ángel Lemos Cid, Edgar Lucio Martínez, Miriam Martínez Santos, Diego Plo Casasus, Máximo Prisciandaro, Jessica Ramos Pernas, Miguel Romero Vidal, Antonio Saborido Silva, Juan José Sanmartín Sedes, Brais Santamarina Ríos, Cibrán Vázquez Regueiro, Pablo Vieites Díaz, María Vázquez Sierra, Carlos |
| 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: | 2016 |
| Publisher: | Elsevier |
| Citation: | Aaij, R., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., ... & Cartelle, P. A. (2016). First study of the CP-violating phase and decay-width difference in Bs0→ ψ (2S) ϕ decays. Physics Letters B, 762, 253-262 |
| Abstract: | A time-dependent angular analysis of B0s→ψ(2S)φdecays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0 fb−1collected during Run1 of the LHC. The CP-violating phase and decay-width difference of the B0ssystem are measured to be φs=0.23+0.29−0.28±0.02 radand s=0.066+0.041−0.044±0.007 ps−1, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that φsand shave been measured in a decay containing the ψ(2S)resonance. |
| Publisher version: | https://doi.org/10.1016/j.physletb.2016.09.028 |
| URI: | http://hdl.handle.net/10347/22433 |
| DOI: | 10.1016/j.physletb.2016.09.028 |
| ISSN: | 0370-2693 |
| E-ISSN: | 1873-2445 |
| Rights: | ©2016 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 ©2016 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.