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题名: Hunting for heavy majorana neutrinos with lepton number violating signatures at LHC
作者: Guo, C;  Guo, SY;  Han, ZL;  Li, B;  Liao, Y
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2017
期号: 4, 页码:65
关键词: Beyond Standard Model ;  Neutrino Physics ;  Higgs Physics
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP04(2017)065
通讯作者: Guo, C (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
文章类型: Article
英文摘要: The neutrinophilic two-Higgs-doublet model (v2HDM) provides a natural way to generate tiny neutrino mass from interactions with the new doublet scalar phi(nu), (H-+/-, H, A) and singlet neutrinos N-R of TeV scale. In this paper, we perform detailed simulations for the lepton number violating (LNV) signatures at LHC arising from cascade decays of the new scalars and neutrinos with the mass order mN(R), < rn phi(nu). Under constraints from lepton flavor violating processes and direct collider searches, their decay properties are explored and lead to three types of LNV signatures: 2l(+/-)4j+ E-T, 3l(+/-)4j+E-T, and 3l(+/-)l(-/+)4j. We find that the same-sign trilepton signature 3l(+/-)4j + E-T is quite unique and is the most promising discovery channel at the high-luminosity LHC. Our analysis also yields the 95% C.L. exclusion limits in the plane of the phi(nu) and N-R masses at 13 (14) TeV LHC with an integrated luminosity of 100 (3000) fb(-1).
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: RIGHT SYMMETRY-BREAKING ;  HIGGS DOUBLET MODEL ;  GEV DIPHOTON EXCESS ;  TEV-SCALE SEESAW ;  DARK-MATTER ;  MADANALYSIS 5 ;  2-HIGGS-DOUBLET MODEL ;  DIRAC NEUTRINOS ;  FERMION MASSES ;  GAUGE BOSON
项目资助者: CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22187
Appears in Collections:理论物理所计算集群成果_计算集群论文2017

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Recommended Citation:
Guo, C,Guo, SY,Han, ZL,et al. Hunting for heavy majorana neutrinos with lepton number violating signatures at LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(4):65.
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