Matches in SemOpenAlex for { <https://semopenalex.org/work/W3098494005> ?p ?o ?g. }
- W3098494005 endingPage "287" @default.
- W3098494005 startingPage "267" @default.
- W3098494005 abstract "We construct the sphaleron solution, at zero and finite temperature, in the Minimal Supersymmetric Standard Model as a function of the supersymmetric parameters, including the leading one-loop corrections to the effective potential in the presence of the sphaleron. At zero temperature we have included the one-loop radiative corrections, dominated by the top/stop sector. The sphaleron energy $E_{rm MSSM}$ mainly depends on an effective Higgs mass ${displaystyle m_h^{rm eff}=lim_{m_Agg m_W} m_h}$, where $m_h$ is the lightest CP-even Higgs mass and $m_A$ the pseudoscalar mass. We have compared it with the Standard Model result, with $m_h^{rm SM}=m_h^{rm eff}$, and found small differences (1-2%) in all cases. At finite temperature we have included the one-loop effective potential improved by daisy diagram resummation. The sphaleron energy at the critical temperature can be encoded in the temperature dependence of the vacuum expectation value of the Higgs field with an error $simlt 10$%. The light stop scenario has been re-examined and the existence of a window where baryon asymmetry is not erased after the phase transition, confirmed. Although large (low) values of $m_h$ ($m_A$) are disfavoured by the strength of the phase transition, that window (along with LEP results) allows for $m_hsimlt 80$ GeV, $m_Asimgt 110$ GeV and $A_tsimlt 0.4; m_Q$." @default.
- W3098494005 created "2020-11-23" @default.
- W3098494005 creator A5021574448 @default.
- W3098494005 creator A5036857518 @default.
- W3098494005 creator A5056994466 @default.
- W3098494005 date "1997-01-01" @default.
- W3098494005 modified "2023-10-09" @default.
- W3098494005 title "Sphalerons in the MSSM" @default.
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