Abstract
An amplitude analysis of decays together with a measurement of the polarization vector in semiōleptonic beauty hadron decays is presented. A sample of 400 000 candidates is selected from proton-proton collisions recorded by the LHCb detector at a center-of-mass energy of 13 TeV. An amplitude model is developed and the resonance fractions as well as two- and three-body decay parameters are reported. The mass and width of the state are also determined. A significant polarization is found. A large sensitivity of the decay to the polarization is seen, making the amplitude model suitable for polarization measurements in other systems.
- Received 6 August 2022
- Accepted 3 October 2022
- Corrected 14 May 2024
DOI:https://doi.org/10.1103/PhysRevD.108.012023
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
© 2023 CERN, for the LHCb Collaboration
Physics Subject Headings (PhySH)
Corrections
14 May 2024
Correction: Typographical errors in Table XI in the parameters column were introduced during the production cycle and have been set right.