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Bai, D; Wu, YL; Bai, D (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Bai, D (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
Quadratic contributions of softly broken supersymmetry in the light of loop regularization
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
AbstractLoop regularization (LORE) is a novel regularization scheme in modern quantum field theories. It makes no change to the spacetime structure and respects both gauge symmetries and supersymmetry. As a result, LORE should be useful in calculating loop corrections in supersymmetry phenomenology. To further demonstrate its power, in this article we revisit in the light of LORE the old issue of the absence of quadratic contributions (quadratic divergences) in softly broken supersymmetric field theories. It is shown explicitly by Feynman diagrammatic calculations that up to two loops the Wess-Zumino model with soft supersymmetry breaking terms (WZ' model), one of the simplest models with the explicit supersymmetry breaking, is free of quadratic contributions. All the quadratic contributions cancel with each other perfectly, which is consistent with results dictated by the supergraph techniques.
2017
Volume77Issue:9Pages:617
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-5201-2
Funding OrganizationNational Science Foundation of China (NSFC) [11690022, 11475237] ; National Science Foundation of China (NSFC) [11690022, 11475237] ; National Science Foundation of China (NSFC) [11690022, 11475237] ; National Science Foundation of China (NSFC) [11690022, 11475237] ; Chinese Academy of Sciences (CAS) [XDB23030100] ; Chinese Academy of Sciences (CAS) [XDB23030100] ; Chinese Academy of Sciences (CAS) [XDB23030100] ; Chinese Academy of Sciences (CAS) [XDB23030100] ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21965
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBai, D (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Bai, D (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Bai, D,Wu, YL,Bai, D ,et al. Quadratic contributions of softly broken supersymmetry in the light of loop regularization[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(9):617.
APA Bai, D,Wu, YL,Bai, D ,&Bai, D .(2017).Quadratic contributions of softly broken supersymmetry in the light of loop regularization.EUROPEAN PHYSICAL JOURNAL C,77(9),617.
MLA Bai, D,et al."Quadratic contributions of softly broken supersymmetry in the light of loop regularization".EUROPEAN PHYSICAL JOURNAL C 77.9(2017):617.
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