Electroweak Baryogenesis in the MSSM
M. Quiros, M. Seco
TL;DR
This paper reviews electroweak baryogenesis within the MSSM, emphasizing two-loop corrections' effects on phase transition strength and baryon asymmetry, and identifies parameter regions testable at colliders.
Contribution
It provides a detailed analysis of the MSSM baryogenesis scenario including two-loop effects and delineates the parameter space consistent with successful baryogenesis.
Findings
Baryogenesis window confirmed for m_H < 115 GeV and m_Q < a few GeV.
Right-handed stop mass constrained between 100 GeV and top mass.
Scenario testable at LEP and Tevatron colliders.
Abstract
We review the baryogenesis scenario in the MSSM at the perturbative level and, in particular, the impact of two-loop corrections on the strength of the phase transition and the amount of generated baryon asymmetry. We confirm the baryogenesis window, where m_H is less than 115GeV, for m_Q less than a few GeV, and the right-handed stop mass is constrained in the region between 100GeV and the top mass. This scenario will be tested at LEP and Tevatron colliders.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Computational Physics and Python Applications