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Duan, GH; Feng, L4; Wang, F5; Wu, L1; Yang, JM; Zheng, R7
Simplified TeV leptophilic dark matter in light of DAMPE data
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词MODEL LEP
摘要Using a simplified framework, we attempt to explain the recent DAMPE cosmic e(+) + e(-) flux excess by leptophilic Dirac fermion dark matter (LDM). The scalar (Phi(0)) and vector (Phi(1)) mediator fields connecting LDM and Standard Model particles are discussed. We find that the couplings P circle times S, P circle times P, V circle times A and V circle times V can produce the right bump in e(+) + e(-) flux for a DM mass around 1.5 TeV with a natural thermal annihilation cross-section < sigma v > similar to 3 x 10(-26)cm(3)/s today. Among them, V circle times V coupling is tightly constrained by PandaX-II data (although LDM-nucleus scattering appears at one-loop level) and the surviving samples appear in the resonant region, m(Phi 1) similar or equal to 2m(chi). We also study the related collider signatures, such as dilepton production pp -> Phi(1) -> l(+) l(-), and muon g - 2 anomaly. Finally, we present a possible U(1)(X) realization for such leptophilic dark matter.
2018
ISSN1029-8479
期号2页码:107
学科领域Physics
学科门类Physics, Particles & Fields
DOI10.1007/JHEP02(2018)107
收录类别SCIE
引用统计
被引频次:22[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/311006/22955
专题理论物理所科研产出_SCI论文
作者单位1.Nanjing Normal Univ, Dept Phys, Nanjing 210023, Jiangsu, Peoples R China
2.Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
6.Zhengzhou Univ, Sch Phys, Zhengzhou 450000, Henan, Peoples R China
7.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
8.Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
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Duan, GH,Feng, L,Wang, F,et al. Simplified TeV leptophilic dark matter in light of DAMPE data[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(2):107.
APA Duan, GH,Feng, L,Wang, F,Wu, L,Yang, JM,&Zheng, R.(2018).Simplified TeV leptophilic dark matter in light of DAMPE data.JOURNAL OF HIGH ENERGY PHYSICS(2),107.
MLA Duan, GH,et al."Simplified TeV leptophilic dark matter in light of DAMPE data".JOURNAL OF HIGH ENERGY PHYSICS .2(2018):107.
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