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题名: Radiative neutrinomass with Z(3) dark matter: from relic density to LHC signatures
作者: Ding, R ;  Han, ZL ;  Liao, Y ;  Xie, WP
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2016
期号: 5, 页码:30
关键词: Beyond Standard Model ;  Neutrino Physics ;  Discrete Symmetries
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP05(2016)030
通讯作者: Ding, R (reprint author), Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.
文章类型: Article
英文摘要: In this work we give a comprehensive analysis on the phenomenology of a specific Z(3) dark matter (DM) model in which neutrino mass is induced at two loops by interactions with a DM particle that can be a complex scalar or a Dirac fermion. Both the DM properties in relic density and direct detection and the LHC signatures are examined in great detail, and indirect detection for gamma-ray excess from the Galactic Center is also discussed briefly. On the DM side, both semi-annihilation and co-annihilation processes play a crucial role in alleviating the tension of parameter space between relic density and direct detection. On the collider side, new decay channels resulting from Z(3) particles lead to distinct signals at LHC. Currently the trilepton signal is expected to give the most stringent bound for both scalar and fermion DM candidates, and the signatures of fermion DM are very similar to those of electroweakinos in simplified supersymmetric models.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: GAMMA-RAY EXCESS ;  GALACTIC-CENTER ;  FERMI-LAT ;  MODEL ;  MASS ;  EMISSION ;  SYMMETRY
收录类别: SCI
项目资助者: CAS Center for Excellence in Particle Physics (CCEPP) ;  [NSFC-11025525] ;  [NSFC-11575089]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21661
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Ding, R,Han, ZL,Liao, Y,et al. Radiative neutrinomass with Z(3) dark matter: from relic density to LHC signatures[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(5):30.
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