Theoretical status of ϵ ′/ϵ

We briefly overview the historical controversy around Standard Model predictions of ϵ ′/ϵ and clarify the underlying physics. A full update of this important observable is presented, with all known short-and long-distance contributions, including isospin-breaking corrections. The current Standard Model prediction, Re(ϵ ′/ϵ) = (14 ± 5) • 10-4 [1, 2], is in excellent agreement with the experimentally measured value.

Gisbert, H.Technical University of Dortmund (author)
Pich, A.University of Valencia (author)
Rodríguez-Sánchez, A.Lund University,Lunds universitet,Teoretisk partikelfysik - Geonomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Theoretical Particle Physics - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science(Swepub:lu)an2534ro (author)
Los Alamos National LaboratoryTechnical University of Dortmund (creator_code:org_t)

In:Journal of Physics: Conference Series : International Conference on Kaon Physics 2019 10-13 September 2019, University of Perugia, Italy - International Conference on Kaon Physics 2019 10-13 September 2019, University of Perugia, Italy: IOP Publishing15261742-6588
In:Journal of Physics: Conference Series: IOP Publishing15261742-6596

By the author/editor: Cirigliano, V.; Gisbert, H.; Pich, A.; Rodríguez-Sánche ...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Subatomic Physic ...

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