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Report number arXiv:1903.06792 ; LHCb-PAPER-2018-044 ; CERN-EP-2019-13 ; LHCb-PAPER-2018-044 and CERN-EP-2019-13 ; LHCB-PAPER-2018-044
Title Measurements of CP asymmetries in charmless four-body Λ0b and Ξ0b decays
Author(s) LHCb Collaboration  Show all 845 authors
Publication 2019-09-07
Imprint 2019-03-15
Number of pages 30
Note All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2018-044.html
In: Eur. Phys. J. C 79, 9 (2019) pp.745
DOI 10.1140/epjc/s10052-019-7218-1
10.1140/S10052-019-7218-1 (publication)
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; LHCb
Free keywords electroweak interaction ; flavor physics ; B physics ; CP violation
Abstract A search for CP violation in charmless four-body decays of Λ0b and Ξ0b baryons with a proton and three charged mesons in the final state is performed. To cancel out production and detection charge-asymmetry effects, the search is carried out by measuring the difference between the CP asymmetries in a charmless decay and in a decay with an intermediate charmed baryon with the same particles in the final state. The data sample used was recorded in 2011 and 2012 with the LHCb detector and corresponds to an integrated luminosity of 3fb1. A total of 18 CP asymmetries are considered, either accounting for the full phase space of the decays or exploring specific regions of the decay kinematics. No significant CP-violation effect is observed in any of the measurements.
Copyright/License preprint: © 2019-2025 CERN (License: CC-BY-4.0)
publication: © 2019-2025 CERN (License: CC-BY-4.0)



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Email contact: cindy.denis@cern.ch


 Record created 2019-04-03, last modified 2024-10-02


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