Improved measurement of η/η′ mixing in $ {B}_{(s)}^0\to J/\psi {\eta}^{\left(\prime \right)} $ decays
Bibtex
@article{elashri_2025_improved-etaeta-mixi,
title = {Improved measurement of η/η′ mixing in $ {B}_{(s)}^0\to J/\psi {\eta}^{\left(\prime \right)} $ decays},
author = {M. Elashri and LHCb Collaboration},
year = {2025},
doi = {10.1007/JHEP10(2025)113},
url = {https://doi.org/10.1007/JHEP10(2025)113},
}