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Ding, R; Han, ZL; Huang, L2; Liao, Y2,3
Phenomenology of colored radiative neutrino mass model and its implications on cosmic-ray observations
发表期刊CHINESE PHYSICS C
语种英语
关键词RIGHT-HANDED NEUTRINOS DARK-MATTER GALACTIC-CENTER STANDARD MODEL GAMMA PARTICLE ICECUBE EXCESS LHC PHYSICS
摘要We extend the colored Zee-Babu model with a gauged U(1)(B-L) symmetry, and a scalar singlet dark matter (DM) candidate S. The spontaneous breaking of U(1)(B-L) leaves a residual Z(2) symmetry that stabilizes the DM, and generates a tiny neutrino mass at the two-loop level with the color seesaw mechanism. After investigating the DM and flavor phenomenology of this model systematically, we further focus on its imprint on two cosmic-ray anomalies: The Fermi-LAT gamma-ray excess at the Galactic Center (GCE), and the PeV ultra-high energy (UHE) neutrino events at the IceCube. We found that the Fermi-LAT GCE spectrum can be well-fitted by DM annihilation into a pair of on-shell singlet Higgs mediators while being compatible with the constraints from the relic density, direct detections, and dwarf spheroidal galaxies, in the Milky Way. Although the UHE neutrino events at the IceCube could be accounted for by the resonance production of a TeV-scale leptoquark, the relevant Yukawa couplings have been severely limited by the current low-energy flavor experiments. We subsequently derive the IceCube limits on the Yukawa couplings by employing its latest six-year data.
2018
ISSN1674-1137
卷号42期号:10页码:103101
学科领域Physics
学科门类Physics, Nuclear ; Physics, Particles & Fields
DOI10.1088/1674-1137/42/10/103101
收录类别SCIE
引用统计
被引频次:1[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/311006/22792
专题理论物理所科研产出_SCI论文
作者单位1.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
2.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
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GB/T 7714
Ding, R,Han, ZL,Huang, L,et al. Phenomenology of colored radiative neutrino mass model and its implications on cosmic-ray observations[J]. CHINESE PHYSICS C,2018,42(10):103101.
APA Ding, R,Han, ZL,Huang, L,&Liao, Y.(2018).Phenomenology of colored radiative neutrino mass model and its implications on cosmic-ray observations.CHINESE PHYSICS C,42(10),103101.
MLA Ding, R,et al."Phenomenology of colored radiative neutrino mass model and its implications on cosmic-ray observations".CHINESE PHYSICS C 42.10(2018):103101.
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