Author:
Cirigliano V,Gisbert H,Pich A,Rodríguez-Sánchez A
Abstract
Abstract
We present an updated analysis of isospin-violating corrections to ε
′/ε in the framework of chiral perturbation theory, taking advantage of the currently improved knowledge on quark masses and nonperturbative parameters. The role of the different ingredients entering into the analysis is carefully assessed. Our final result is
Ω
eff
=
0.110
−
0.088
+
0.090
[1].
Subject
General Physics and Astronomy
Cited by
2 articles.
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1. Theory of CP angle measurements;Progress of Theoretical and Experimental Physics;2024-02-24
2. Nonleptonic K → 2 π decay dynamics;Nuclear and Particle Physics Proceedings;2021-07