Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP12(2020)047
Keywords
Beyond Standard Model; Cosmology of Theories beyond the SM; Technicolor and Composite Models; Thermal Field Theory
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Funding
- National Natural Science Foundation of China [12075041, 11605016, 11947406]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- [NRF 2015R1A4A1042542]
- [NRF 2017R1D1A1B03030820]
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We study electroweak baryogenesis in the SO(6)/SO(5) composite Higgs model with the third generation quarks being embedded in the 20 0 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 similar to 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.
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