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Li, TJ; Raza, S; Wang, XC; Li, TJ (reprint author), Chinese Acad Sci, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Li, TJ (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Beijing 100190, Peoples R China.; Li, TJ (reprint author), Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China.
Supernatural supersymmetry and its classic example: M-theory inspired NMSSM
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe briefly review the supernatural supersymmetry (SUSY), which provides a most promising solution to the SUSYelectroweak fine-tuning problem. In particular, we address its subtle issues as well. Unlike the minimal supersymmetric standard model (MSSM), the next to MSSM (NMSSM) can be scale invariant and has no mass parameter in its Lagrangian before SUSY and gauge symmetry breakings. Therefore, the NMSSM is a perfect framework for supernatural SUSY. To give the SUSY breaking soft mass to the singlet, we consider the moduli and dilaton dominant SUSY breaking scenarios in M-theory on S-1/Z(2). In these scenarios, SUSY is broken by one and only one F term of moduli or dilaton, and the SUSY breaking soft terms can be determined via the Kahler potential and superpotential from Calabi-Yau compactification of M-theory on S-1/Z(2). Thus, as predicted by supernatural SUSY, the SUSY electroweak fine-tuning measure is of unity order. In the moduli dominant SUSY breaking scenario, the right-handed sleptons are relatively light around 1 TeV, stau can even be as light as 580 GeV and degenerate with the lightest neutralino, chargino masses are larger than 1 TeV, the light stop masses are around 2 TeVor larger, the first two-generation squark masses are about 3 TeV or larger, and gluinos are heavier tha. n squarks. In the dilaton dominant SUSY breaking scenario, the qualitative picture remains the same but we have heavier spectra as compared to the moduli dominant SUSY breaking scenario. In addition to it, we have Higgs H-2/A(1)-resonance solutions for dark matter (DM). In both scenarios, the minimal value of DM relic density is about 0.2. To obtain the observed DM relic density, we can consider the dilution effect from supercritical string cosmology or introduce the axino as the lightest supersymmetric particle.
2016
Volume93Issue:11Pages:115014
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.93.115014
Indexed BySCI
Funding OrganizationNatural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21624
CollectionSCI期刊论文
Corresponding AuthorLi, TJ (reprint author), Chinese Acad Sci, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Li, TJ (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Beijing 100190, Peoples R China.; Li, TJ (reprint author), Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Peoples R China.
Recommended Citation
GB/T 7714
Li, TJ,Raza, S,Wang, XC,et al. Supernatural supersymmetry and its classic example: M-theory inspired NMSSM[J]. PHYSICAL REVIEW D,2016,93(11):115014.
APA Li, TJ,Raza, S,Wang, XC,Li, TJ ,Li, TJ ,&Li, TJ .(2016).Supernatural supersymmetry and its classic example: M-theory inspired NMSSM.PHYSICAL REVIEW D,93(11),115014.
MLA Li, TJ,et al."Supernatural supersymmetry and its classic example: M-theory inspired NMSSM".PHYSICAL REVIEW D 93.11(2016):115014.
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