Lattice study of an electroweak phase transition atmh≃ 126 GeV

Laine M, Nardini G, Rummukainen K (2013)
Journal of Cosmology and Astroparticle Physics 2013(01): 011.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We carry out lattice simulations of a cosmological electroweak phase transition for a Higgs mass m_h ~ 126 GeV. The analysis is based on a dimensionally reduced effective theory for an MSSM-like scenario including a relatively light coloured SU(2)-singlet scalar, referred to as a right-handed stop. The non-perturbative transition is stronger than in 2-loop perturbation theory, and may offer a window for electroweak baryogenesis. The main remaining uncertainties concern the physical value of the right-handed stop mass which according to our analysis could be as high as m_tR ~ 155 GeV/ a more precise effective theory derivation and vacuum renormalization than available at present are needed for confirming this value.
Erscheinungsjahr
2013
Zeitschriftentitel
Journal of Cosmology and Astroparticle Physics
Band
2013
Ausgabe
01
Seite(n)
011
ISSN
1475-7516
eISSN
1475-7516
Page URI
https://pub.uni-bielefeld.de/record/2560010

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Laine M, Nardini G, Rummukainen K. Lattice study of an electroweak phase transition atmh≃ 126 GeV. Journal of Cosmology and Astroparticle Physics. 2013;2013(01):011.
Laine, M., Nardini, G., & Rummukainen, K. (2013). Lattice study of an electroweak phase transition atmh≃ 126 GeV. Journal of Cosmology and Astroparticle Physics, 2013(01), 011. doi:10.1088/1475-7516/2013/01/011
Laine, M., Nardini, G., and Rummukainen, K. (2013). Lattice study of an electroweak phase transition atmh≃ 126 GeV. Journal of Cosmology and Astroparticle Physics 2013, 011.
Laine, M., Nardini, G., & Rummukainen, K., 2013. Lattice study of an electroweak phase transition atmh≃ 126 GeV. Journal of Cosmology and Astroparticle Physics, 2013(01), p 011.
M. Laine, G. Nardini, and K. Rummukainen, “Lattice study of an electroweak phase transition atmh≃ 126 GeV”, Journal of Cosmology and Astroparticle Physics, vol. 2013, 2013, pp. 011.
Laine, M., Nardini, G., Rummukainen, K.: Lattice study of an electroweak phase transition atmh≃ 126 GeV. Journal of Cosmology and Astroparticle Physics. 2013, 011 (2013).
Laine, Mikko, Nardini, Germano, and Rummukainen, K. “Lattice study of an electroweak phase transition atmh≃ 126 GeV”. Journal of Cosmology and Astroparticle Physics 2013.01 (2013): 011.

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arXiv: 1211.7344

Inspire: 1205001

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