CP violation in the Higgs sector at ILC

CP violation is one of Sakharov's conditions for the matter-antimatter asymmetry of the Universe. The experimentally observed size of CP violation is insufficient to account for this. Is CP violated in the Higgs sector? Could the SM-like Higgs boson be a mixture of CP even and CP odd states of...

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Main Authors Agatonović-Jovin, T, Vukašinović, N, Božović-Jelisavčić, I, Kačarević, G, Radulović, M, Stevanović, J, Milutinović-Dumbelović, G, Smiljanić, I
Format Journal Article
LanguageEnglish
Published 25.10.2021
Subjects
Physics - High Energy Physics - Phenomenology
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Summary:CP violation is one of Sakharov's conditions for the matter-antimatter asymmetry of the Universe. The experimentally observed size of CP violation is insufficient to account for this. Is CP violated in the Higgs sector? Could the SM-like Higgs boson be a mixture of CP even and CP odd states of an extended Higgs sector? With what precision could such effects be measured at future electron-positron colliders? These questions will be discussed in the light of the latest studies at ILC.
Bibliography:ILD-PHYS-PROC-2021-011
DOI:10.48550/arxiv.2110.12830