CP violation in the Higgs sector at ILC
T. Agatonovi\'c-Jovin, N. Vuka\v{s}inovi\'c, I., Bo\v{z}ovi\'c-Jelisav\v{c}i\'c, G. Ka\v{c}arevi\'c, M. Radulovi\'c, J., Stevanovi\'c, G. Milutinovi\'c-Dumbelovi\'c, I. Smiljani\'c
TL;DR
This paper explores the potential for detecting CP violation in the Higgs sector at the International Linear Collider, addressing fundamental questions about matter-antimatter asymmetry and Higgs boson properties.
Contribution
It analyzes the prospects of measuring CP violation effects in the Higgs sector at future electron-positron colliders like ILC, based on recent studies.
Findings
CP violation effects could be measurable at ILC
Higgs boson may be a mixture of CP-even and CP-odd states
Future colliders can test extended Higgs sector models
Abstract
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.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Dark Matter and Cosmic Phenomena