https://doi.org/10.1140/epjp/s13360-022-03008-8
Regular Article
Rescaling the isospin triangle argument for constraining 
(
): Consolidating Belle II and a potential path forward for LHCb
Instituto Galego de Física de Altas Enerxíıas (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
a
jeremy.peter.dalseno@cern.ch
Received:
10
November
2021
Accepted:
27
June
2022
Published online:
12
July
2022
A rescaling of the SU(2) isospin triangles constraining () that relies on measurements of the experimentally cleaner relative branching fractions, as opposed to those absolute, is proposed. Paving the way towards more systematically sustainable analysis, this method promises to eliminate a dominant systematic at Belle II amongst others, namely the uncertainty on the number of 
pairs in data. Furthermore, a constraint in the 
system at LHCb that is more independent of Belle II input is shown to become viable even without a measurement of 
violation in 
.
© The Author(s) 2022
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