Oblique Corrections in the MSSM at One-Loop—Part I: Scalars

This paper is devoted to reconsider the one-loop oblique corrections arising from the scalar superpartners in the MSSM, that is, the squarks, the sleptons, and the scalars in Higgs sector. We explicitly present the complete one-loop forms of self-energy corrections to the gauge bosons of SM electrow...

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Main Authors: Yao Yu, Sibo Zheng
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2013/539747
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author Yao Yu
Sibo Zheng
author_facet Yao Yu
Sibo Zheng
author_sort Yao Yu
collection DOAJ
description This paper is devoted to reconsider the one-loop oblique corrections arising from the scalar superpartners in the MSSM, that is, the squarks, the sleptons, and the scalars in Higgs sector. We explicitly present the complete one-loop forms of self-energy corrections to the gauge bosons of SM electroweak gauge groups, as well as their descendants the S , T , and U parameters, which can be directly applied to constrain the parameter space of the MSSM. Our results about one-loop self energies are found to agree with Drees et al. (1992) and Pierce et al. (1997). Nevertheless, the S , T , and U parameters are not in agreement with Dobado et al. (1999).
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spelling doaj-art-81d2ffd089194d01bf5f039c46392a0f2025-02-03T01:31:13ZengWileyAdvances in High Energy Physics1687-73571687-73652013-01-01201310.1155/2013/539747539747Oblique Corrections in the MSSM at One-Loop—Part I: ScalarsYao Yu0Sibo Zheng1Department of Physics, Chongqing University, Chongqing 401331, ChinaDepartment of Physics, Chongqing University, Chongqing 401331, ChinaThis paper is devoted to reconsider the one-loop oblique corrections arising from the scalar superpartners in the MSSM, that is, the squarks, the sleptons, and the scalars in Higgs sector. We explicitly present the complete one-loop forms of self-energy corrections to the gauge bosons of SM electroweak gauge groups, as well as their descendants the S , T , and U parameters, which can be directly applied to constrain the parameter space of the MSSM. Our results about one-loop self energies are found to agree with Drees et al. (1992) and Pierce et al. (1997). Nevertheless, the S , T , and U parameters are not in agreement with Dobado et al. (1999).http://dx.doi.org/10.1155/2013/539747
spellingShingle Yao Yu
Sibo Zheng
Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
Advances in High Energy Physics
title Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
title_full Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
title_fullStr Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
title_full_unstemmed Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
title_short Oblique Corrections in the MSSM at One-Loop—Part I: Scalars
title_sort oblique corrections in the mssm at one loop part i scalars
url http://dx.doi.org/10.1155/2013/539747
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AT sibozheng obliquecorrectionsinthemssmatonelooppartiscalars