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Calibbi, L; Li, TJ; Mustafayev, A; Raza, S; Calibbi, L (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Calibbi, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, KITPC, Beijing 100190, Peoples R China.
Improving naturalness in gauge mediation with nonunified messenger sectors
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe study models of gauge-mediated supersymmetry breaking with messengers that do not belong to complete representations of grand-unified gauge groups. We show that certain setups characterized by a heavy Wino can greatly improve the fine-tuning with respect to models with unified messengers, such as minimal gauge mediation. The typical models with low-tuning feature multi-TeV superparticles, with the exception of the Higgsinos and possibly Bino and right-handed sleptons. As a consequence, the absence of signals for supersymmetry at the LHC is trivially accommodated in our framework. On the other hand, testing these models will be challenging at the LHC. We finally show that the gravitino can be a consistent candidate for cold dark matter, provided a rather low reheating temperature, if a standard thermal history of the Universe is assumed.
2016
Volume93Issue:11Pages:115018
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.93.115018
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]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21615
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCalibbi, L (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Calibbi, L (reprint author), Chinese Acad Sci, Inst Theoret Phys, KITPC, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Calibbi, L,Li, TJ,Mustafayev, A,et al. Improving naturalness in gauge mediation with nonunified messenger sectors[J]. PHYSICAL REVIEW D,2016,93(11):115018.
APA Calibbi, L,Li, TJ,Mustafayev, A,Raza, S,Calibbi, L ,&Calibbi, L .(2016).Improving naturalness in gauge mediation with nonunified messenger sectors.PHYSICAL REVIEW D,93(11),115018.
MLA Calibbi, L,et al."Improving naturalness in gauge mediation with nonunified messenger sectors".PHYSICAL REVIEW D 93.11(2016):115018.
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