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Improved metastability bounds on the Standard Model Higgs mass
Open accessAbstract
Abstract Depending on the Higgs-boson and top-quark masses, MH and Mt, the effective potential of the Standard Model at finite (and zero) temperature can have a deep and non-standard stable minimum 〈φ(T)〉 at values of the field much larger than G F −1 2 . We have computed absolute lower bounds on MH, as a function of Mt, imposing the condition of no decay by thermal fluctuations, or quantum tunnelling, to the stable minimum. Our effective potential at zero temperature includes all next-to-leading logarithmic corrections (making it extremely scale-independent), and we have used pole masses for the Higgs-boson and top-quark. Thermal corrections to the effective potential include plasma effects by one-loop ring resummation of Debye masses. All calculations, including the effective potential and the bubble nucleation rate, are performed numerically, and so the results do not rely on any kind of analytical approximation. Easy-to-use fits are provided for the benefit of the reader. Conclusions on the possible Higgs detection at LEP-200 are drawn.
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Cited by
Theory and phenomenology of two-Higgs-doublet models
Branco, G. C., Ferreira, P. M., Lavoura, L., Rebelo, M. N., Sher, M., & Silva, J. P. (2012) · Physics Reports · doi:10.1016/j.physrep.2012.02.002 · Cited by 2,627
Investigating the near-criticality of the Higgs boson
Buttazzo, D., Degrassi, G., Giardino, P. P., Giudice, G. F., Sala, F., Salvio, A., & Strumia, A. (2013) · Journal of High Energy Physics · doi:10.1007/jhep12(2013)089 · Cited by 1,095
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Djouadi, A. (2008) · Physics Reports · doi:10.1016/j.physrep.2007.10.004 · Cited by 987
CMS Physics Technical Design Report, Volume II: Physics Performance
Collaboration, T. C. (2007) · Journal of Physics G: Nuclear and Particle Physics · doi:10.1088/0954-3899/34/6/s01 · Cited by 940
Higgs mass implications on the stability of the electroweak vacuum
Elias-Miró, J., Espinosa, J. R., Giudice, G. F., Isidori, G., Riotto, A., & Strumia, A. (2012) · Physics Letters B · doi:10.1016/j.physletb.2012.02.013 · Cited by 549
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Metadata
- Authors
- Espinosa, J. R., & Quirós, M.
- Venue
- Physics Letters B
- Publisher
- Elsevier BV
- Published
- 1995-06
- Volume
- 353
- Issue
- 2-3
- Pages
- 257-266
- ISSN
- 0370-2693 (ISSN-L)
- OpenAlex
- W2193071993
- Cited by
- 191
- References
- 0
- FWCI
- 6.51
- Type
- journal article
- Language
- en
- Open access
- green
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