PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T08 Flavour Physics and CP Violation
New approaches to determine $B^\pm$ and $B^0$ production fractions
F. Bernlochner, M. Jung, M. Khan*, G. Landsberg and Z. Ligeti
Full text: pdf
Pre-published on: January 16, 2024
Published on: March 21, 2024
This proceeding summarises a flavour physics session talk presented at the Conference on High Energy Physics. The talk explored novel methods for precisely determining the decay rates of $\Upsilon(4S)$ into charged and neutral $B$ meson pairs. These include an overview of previous measurements and introduces a new updated average. The presentation further outlined new determinations for $R^{\pm0}$ at Belle II and the LHC. Theoretical assumptions of previous measurements and the experimental challenges affecting the precision of $R^{\pm0}$ were also discussed.
DOI: https://doi.org/10.22323/1.449.0358
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