The high-temperature limit of the SM(EFT)

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URI: https://hdl.handle.net/10481/106671
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Autor
Rodríguez Chala, Mikael; Guedes, Guilherme
Editorial
Springer
Materia
Finite Temperature or Finite Density
 
Phase Transitions in the Early Universe
 
SMEFT
 
Fecha
2025-07-04
Referencia bibliográfica
Chala, M., & Guedes, G. (2025). The high-temperature limit of the SM(EFT). Journal of High Energy Physics, 2025(7). https://doi.org/10.1007/jhep07(2025)085
Patrocinador
MCIN/AEI - ERDF (PID2021-128396NB-I00, PID2022-139466NBC22); Junta de Andalucía (FQM 101, P21-00199); Consejería de Universidad, Investigación e Innovación, Gobierno de España y Unión Europea — NextGenerationEU (AST22 6.5, CNS2022-136024); RyC program (RYC2019-027155-I); Deutsche Forschungsgemeinschaft (EXC 2121 “Quantum Universe” — 390833306, 491245950)
Resumen
We derive the one-loop efective 3-dimensional Lagrangian that describes the high-temperature limit of the electroweak theory, to order O(g 6 ) in coupling constants g, including corrections due to Matsubara modes of both fermionic and bosonic degrees of freedom. We clarify certain aspects of the gauge-independence of physical parameters. We also extend the calculation to the Standard Model efective feld theory, paving the way, in particular, for a precise study of the electroweak phase transition within this framework.
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