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Duan, GH; He, XG; Wu, L1; Yang, JM
Leptophilic dark matter in gauged U(1) L-e - L-mu model in light of DAMPE cosmic ray e(+) + e(-) excess
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
KeywordBOSON LEP
AbstractMotivated by the very recent cosmic-ray electron+positron excess observed by DAMPE collaboration, we investigate a Dirac fermion dark matter (DM) in the gauged L-e - L-mu model. DM interacts with the electron and muon via the U(1)(e-mu) gauge boson Z'. The model can explain the DAMPE data well. Although a non-zero DM-nucleon cross section is only generated at one loop level and there is a partial cancellation between Z' ee and Z' mu mu couplings, we find that a large portion of Z' mass is ruled out from direct DM detection limit leaving the allowed Z' mass to be close to two times of the DM mass. Implications for pp -> Z' -> 2l and pp -> 2l + Z', and muon g - 2 anomaly are also studied.
2018
ISSN1434-6044
Volume78Issue:4Pages:323
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1140/epjc/s10052-018-5805-1
Indexed BySCIE
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22917
Collection理论物理所科研产出_SCI论文
Affiliation1.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.Acad Sinica, 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.Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
6.Natl Ctr Theoret Sci, Phys Div, Hsinchu 30013, Taiwan
7.Shanghai Jiao Tong Univ, Sch Phys & Astron, T D Lee Inst, Shanghai 200240, Peoples R China
8.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
Recommended Citation
GB/T 7714
Duan, GH,He, XG,Wu, L,et al. Leptophilic dark matter in gauged U(1) L-e - L-mu model in light of DAMPE cosmic ray e(+) + e(-) excess[J]. EUROPEAN PHYSICAL JOURNAL C,2018,78(4):323.
APA Duan, GH,He, XG,Wu, L,&Yang, JM.(2018).Leptophilic dark matter in gauged U(1) L-e - L-mu model in light of DAMPE cosmic ray e(+) + e(-) excess.EUROPEAN PHYSICAL JOURNAL C,78(4),323.
MLA Duan, GH,et al."Leptophilic dark matter in gauged U(1) L-e - L-mu model in light of DAMPE cosmic ray e(+) + e(-) excess".EUROPEAN PHYSICAL JOURNAL C 78.4(2018):323.
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