Hunting for heavy majorana neutrinos with lepton number violating signatures at LHC
Guo, C; Guo, SY; Han, ZL; Li, B; Liao, Y; Guo, C (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
2017
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号4页码:65
文章类型Article
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).
关键词Beyond Standard Model Neutrino Physics Higgs Physics
学科领域Physics
资助者CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525]
DOIhttp://dx.doi.org/10.1007/JHEP04(2017)065
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
语种英语
资助者CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525] ; CAS Center for Excellence in Particle Physics (CCEPP) [NSFC-11575089, NSFC-11025525]
WOS类目Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22187
专题理论物理所计算集群成果_计算集群论文2017
通讯作者Guo, C (reprint author), Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China.
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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.
APA Guo, C,Guo, SY,Han, ZL,Li, B,Liao, Y,&Guo, C .(2017).Hunting for heavy majorana neutrinos with lepton number violating signatures at LHC.JOURNAL OF HIGH ENERGY PHYSICS(4),65.
MLA Guo, C,et al."Hunting for heavy majorana neutrinos with lepton number violating signatures at LHC".JOURNAL OF HIGH ENERGY PHYSICS .4(2017):65.
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