ITP OpenIR  > SCI期刊论文
Han, Chengcheng1; Lopez-Ibanez, Ml; Peng, Bo2,3; Yang, JinMin2,3,4
Dirac dark matter in U (1)(B -) (L) with the Stueckelberg mechanism
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordNEUTRINO MASS GENERATION
AbstractWe investigate a U(1)(B-L) gauge extension of the Standard Model (SM) where the gauge boson mass is generated by the Stueckelberg mechanism. Three right-handed neutrinos are added to cancel the gauge anomaly and hence the neutrino masses can be explained. A new Dirac fermion could be a WIMP dark matter whose interaction with the SM sector is mediated by the new gauge boson. Assuming the perturbativity of the gauge coupling up to the Planck scale, we find that only the resonance region is feasible for the dark matter abundance. After applying the Delta N-eff constraints from the current Planck experiment, the collider search constraints as well as the dark matter direct detection limits, we observe that the B - L charge of dark matter satisfies vertical bar Q(chi)vertical bar > 0.11. Such a scenario might be probed conclusively by the projected CMB-S4 experiment, assuming the right-handed neutrinos are thermalized with the SM sector in the early universe. (C) 2020 The Authors. Published by Elsevier B.V.
2020
ISSN0550-3213
Volume959Pages:115154
Cooperation Status国际
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1016/j.nuclphysb.2020.115154
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27211
CollectionSCI期刊论文
Affiliation1.Sun Yat Sen Univ, Sch Phys, Guangzhou 510275, Peoples R China
2.KIAS, Sch Phys, 85 Hoegiro, Seoul 02455, South Korea
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.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
Recommended Citation
GB/T 7714
Han, Chengcheng,Lopez-Ibanez, Ml,Peng, Bo,et al. Dirac dark matter in U (1)(B -) (L) with the Stueckelberg mechanism[J]. NUCLEAR PHYSICS B,2020,959:115154.
APA Han, Chengcheng,Lopez-Ibanez, Ml,Peng, Bo,&Yang, JinMin.(2020).Dirac dark matter in U (1)(B -) (L) with the Stueckelberg mechanism.NUCLEAR PHYSICS B,959,115154.
MLA Han, Chengcheng,et al."Dirac dark matter in U (1)(B -) (L) with the Stueckelberg mechanism".NUCLEAR PHYSICS B 959(2020):115154.
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