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, D. Jeans
TL;DR
This paper explores the potential for future electron-positron colliders, like ILC, to detect CP violation in the Higgs sector, which could explain matter-antimatter asymmetry and extend our understanding of Higgs properties.
Contribution
It analyzes the sensitivity of ILC to CP-violating effects in the Higgs sector, providing insights into measuring potential CP mixture in the Higgs boson.
Findings
ILC can probe CP violation in the Higgs sector with high precision
Potential to distinguish between CP-even and CP-odd Higgs states
Implications for understanding matter-antimatter asymmetry
Abstract
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.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Particle Detector Development and Performance