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Ahmed, W; Calibbi, L; Li, TJ; Raza, S3; Niu, JS; Wang, XC
Naturalness and dark matter in a realistic intersecting D6-brane model
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词WELL-TEMPERED NEUTRALINO NO-SCALE SUPERGRAVITY POINT GAUGE MEDIATION STANDARD MODEL IIA ORIENTIFOLDS BRANE WORLD SUPERSYMMETRY UNIFICATION COLLIDER MU(-)
摘要We revisit a three-family Pati-Salam model with a realistic phenomenology from intersecting D6-branes in Type IIA string theory compactified on a T-6/(Z(2) x Z(2)) orientifold, and study its naturalness in view of the current LHC and dark matter searches. We discuss spectrum and phenomenological features of this scenario demanding fine tuning better than 1%. This requirement restricts the lightest neutralino to have mass less than about 600 GeV. We observe that the viable parameter space is tightly constrained by the requirements of naturalness and consistency with the observed dark matter relic density, so that it is fully testable at current and future dark matter searches, unless a non-thermal production mechanism of dark matter is at work. We find that Z-resonance, h-resonance, A-funnel and light stau/stop-neutralino coannihilation solutions are consistent with current LHC and dark matter constraints while the "well-tempered" neutralino scenario is ruled out in our model. Moreover, we observe that only Bino, Higgsinos, right-handed staus and stops can have mass below 1TeV.
2018
ISSN1029-8479
期号6页码:126
学科领域Physics
学科门类Physics, Particles & Fields
DOI10.1007/JHEP06(2018)126
收录类别SCIE
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22879
专题SCI期刊论文
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作者单位1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan, Peoples R China
4.Fed Urdu Univ Arts Sci & Technol, Dept Phys, Karachi 75300, Pakistan
5.Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China
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Ahmed, W,Calibbi, L,Li, TJ,et al. Naturalness and dark matter in a realistic intersecting D6-brane model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(6):126.
APA Ahmed, W,Calibbi, L,Li, TJ,Raza, S,Niu, JS,&Wang, XC.(2018).Naturalness and dark matter in a realistic intersecting D6-brane model.JOURNAL OF HIGH ENERGY PHYSICS(6),126.
MLA Ahmed, W,et al."Naturalness and dark matter in a realistic intersecting D6-brane model".JOURNAL OF HIGH ENERGY PHYSICS .6(2018):126.
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