Journal
PHYSICAL REVIEW D
Volume 92, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.92.095019
Keywords
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Funding
- National Science Foundation [PHY-1066293]
- Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG
- U.S. National Science Foundation [PHY-1316222]
- U.S. Department of Energy [DE-SC0011095]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1316222] Funding Source: National Science Foundation
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Nonminimal supersymmetric models that predict a tree-level Higgs mass above the minimal supersymmetric standard model (MSSM) bound are well motivated by naturalness considerations. Indirect constraints on the stop sector parameters of such models are significantly relaxed compared to the MSSM; in particular, both stops can have weak-scale masses. We revisit the stop-catalyzed electroweak baryogenesis (EWB) scenario in this context. We find that the LHC measurements of the Higgs boson production and decay rates already rule out the possibility of stop-catalyzed EWB. We also introduce a gauge-invariant analysis framework that may generalize to other scenarios in which interactions outside the gauge sector drive the electroweak phase transition.
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