https://doi.org/10.1140/epjc/s10052-022-11094-2
Addendum
Addendum: A dispersive analysis of 
and 
1
Albert Einstein Center for Fundamental Physics, Institute for Theoretical Physics, University of Bern, Sidlerstrasse 5, 3012, Bern, Switzerland
2
Forschungszentrum Jülich, Institute for Advanced Simulation, Institut für Kernphysik, and Jülich Center for Hadron Physics, 52425, Jülich, Germany
3
Helmholtz-Institut für Strahlen- und Kernphysik and Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany
Received:
22
November
2022
Accepted:
30
November
2022
Published online:
21
December
2022
In this addendum to Ref. [1] we show that the mismatch between the 
–
mixing parameter 
as extracted from 
and 
can be resolved by including higher orders in the expansion in 
in the description of the decay. We repeat the analysis in this extended framework and update the numerical results accordingly.
© The Author(s) 2022
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