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Standard model and new physics for ϵ′ kϵk∞

Kitahara, Teppei

The first result of the lattice simulation and improved perturbative calculations have pointed to a discrepancy between data on ϵ′ k/ϵk and the standard-model (SM) prediction. Several new physics (NP) models can explain this discrepancy, and such NP models are likely to predict deviations of b(K → πvv) from the SM predictions, which can be probed precisely in the near future by NA62 and KOTO experiments. We present correlations between ϵ′ k/ϵk and B(K → πvv) in two types of NP scenarios: A box dominated scenario and a Z-penguin dominated one. It is shown that different correlations are predicted and the future precision measurements of K → πvv can distinguish both scenarios.

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Verlagsausgabe §
DOI: 10.5445/IR/1000083950
Veröffentlicht am 12.11.2018
DOI: 10.1051/epjconf/201817901007
Seitenaufrufe: 8
seit 07.12.2018
Downloads: 3
seit 05.01.2019
Zugehörige Institution(en) am KIT Institut für Theoretische Teilchenphysik (TTP)
Institut für Kernphysik (IKP)
Publikationstyp Proceedingsbeitrag
Jahr 2018
Sprache Englisch
Identifikator ISSN: 2101-6275
KITopen-ID: 1000083950
HGF-Programm 51.01.01 (POF III, LK 01)
Erschienen in 2nd International Workshop on Flavour Changing and Conserving Processes, FCCP 2017; Villa Orlandi`Anacapri, Capri Island; Italy; 7 September 2017 through 9 September 2017. ed.: M. Passera
Verlag EDP Sciences, London
Seiten Art.Nr. 01007
Serie EPJ Web of Conferences ; 179
Nachgewiesen in Scopus
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