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Cited by 192

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Electroweak baryogenesis and low energy supersymmetry

Open access
Carena, M., Quirós, M., Riotto, A., Vilja, I., Wagner, C.E.M.·1997·Nuclear Physics B

Abstract

Abstract Electroweak baryogenesis is an interesting theoretical scenario, which demands physics beyond the Standard Model at energy scales of the order of the weak boson masses. It has been recently emphasized that, in the presence of light stops, the electroweak phase transition can be strongly first order, opening the window for electroweak baryogenesis in the MSSM. For the realization of this scenario, the Higgs boson must be light, at the reach of the LEP2 collider. In this article, we compute the baryon asymmetry assuming the presence of non-trivial CP-violating phases in the parameters associated with the left-right stop mixing term and the Higgsino mass μ. We conclude that a phase |sinΦμ| > 0.01 and Higgsino and gaugino mass parameters |μ| ≅ M2, and of the order of the electroweak scale, are necessary in order to generate the observed baryon asymmetry.

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Metadata

Authors
Carena, M., Quirós, M., Riotto, A., Vilja, I., & Wagner, C. E. M.
Venue
Nuclear Physics B
Publisher
Elsevier BV
Published
1997-10
Volume
503
Issue
1-2
Pages
387-404
ISSN
0550-3213 (ISSN-L)
OpenAlex
W2070893805
Cited by
192
References
2
FWCI
13.06
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Electroweak baryogenesis and low energy supersymmetry. https://app.cochat.ai/papers/10.1016/s0550-3213(97)00412-4
The paper
Carena, M., Quirós, M., Riotto, A., Vilja, I., & Wagner, C. E. M. (1997). Electroweak baryogenesis and low energy supersymmetry. Nuclear Physics B. https://doi.org/10.1016/s0550-3213(97)00412-4

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.