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Title: | Search for CP violation using triple product asymmetries in Λb 0 → pK − π + π −, Λb 0 → pK − K + K − and Ξb 0 → pK − K − π + decays |
Author: | Alfonso Albero, Alejandro Calvo Gómez, Míriam Camboni, Alessandro Coquereau, Samuel Garrido Beltrán, Lluís Gascón Fora, David Graciani Díaz, Ricardo Graugés Pous, Eugeni Marin Benito, Carla 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: | 2018 |
Publisher: | Springer Verlag |
Abstract: | Abstract: A search for CP and P violation using triple-product asymmetries is performed with Λ 0 b → pK−π +π −, Λ 0 b → pK−K+K− and Ξ0 b → pK−K−π + decays. The data sample corresponds to integrated luminosities of 1.0 fb−1 and 2.0 fb−1 , recorded with the LHCb detector at centre-of-mass energies of 7 TeV and 8 TeV, respectively. The CP- and Pviolating asymmetries are measured both integrating over all phase space and in specific phase-space regions. No significant deviation from CP or P symmetry is found. The first observation of Λ 0 b → pK−χc0(1P)(→ π +π −, K+K−) decay is also reported. |
Note: | Reproducció del document publicat a: https://doi.org/10.1007/JHEP08(2018)039 |
It is part of: | Journal of High Energy Physics, 2018, vol. 2018, num. 8, p. 1-27 |
URI: | http://hdl.handle.net/2445/185380 |
Related resource: | https://doi.org/10.1007/JHEP08(2018)039 |
ISSN: | 1126-6708 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Publicacions de projectes de recerca finançats per la UE |
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