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Electroweak baryogenesis and gravitational waves from a composite Higgs
by
Dr柯盼 谢
(国立首尔大学)
→
Asia/Shanghai
ID：790781078 (腾讯会议)
ID：790781078
腾讯会议
Description
腾讯会议（会议ID：790 781 078）
摘要：We study electroweak baryogenesis in the SO(6)/SO(5) composite Higgs model with the third generation quarks being embedded in the 20′ representation of SO(6). The scalar sector contains one Higgs doublet and one real singlet, and their potential is given by the Coleman-Weinberg potential evaluated from the form factors of the lightest vector and fermion resonances. We show that the resonance masses at O(1∼10 TeV) can generate a potential that triggers the strong first-order electroweak phase transition (SFOEWPT). The CP violating phase arising from the dimension-6 operator in the top sector is sufficient to yield the observed baryon asymmetry of the universe. The SFOEWPT parameter space is detectable at the future space-based detectors such as LISA.
