Probing the CP properties of the Higgs sector at ILC

D. Jeans; G. Kacarevic; G. Milutinovic Dumbelovic; I. Bozovic Jelisavcic; I. Smiljanic; J. Stevanovic; M. Radulovic; N. Vukasinovic; T. Agatonovic Jovin

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Probing the CP properties of the Higgs sector at ILC

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arxiv 2105.06530 v2 pith:C4EFRXLO submitted 2021-05-13 hep-ph hep-ex

Probing the CP properties of the Higgs sector at ILC

T. Agatonovic Jovin , I. Bozovic Jelisavcic , I. Smiljanic , G. Kacarevic , N. Vukasinovic , G. Milutinovic Dumbelovic , J. Stevanovic , M. Radulovic

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D. Jeans

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keywords higgssectorviolationaccountasymmetrybosoncollidersconditions

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The violation of CP symmetry is one of Sakharov's conditions for the matter-antimatter asymmetry of the Universe. Currently known sources of CP violation in the quark and neutrino sectors are insufficient to account for this. Is CP also violated in the Higgs sector? Could the SM-like Higgs boson be a mixture of even and odd CP 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 and ongoing studies at ILC.

Probing the CP properties of the Higgs sector at ILC

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