Abstract
A search for violation in charmless three-body decays is performed using collision data recorded with the LHCb detector, corresponding to integrated luminosities of at a center-of-mass energy , at and at . A good description of the phase-space distribution is obtained with an amplitude model containing contributions from , , , , and resonances. The model allows for -violation effects, which are found to be consistent with zero. The branching fractions of , , , , and decays are also reported. In addition, an upper limit is placed on the product of ratios of and fragmentation fractions and the and branching fractions.
7 More- Received 3 May 2021
- Accepted 11 August 2021
DOI:https://doi.org/10.1103/PhysRevD.104.052010
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© 2021 CERN, for the LHCb Collaboration