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Bao, SS; Gong, X; Si, ZG; Zhou, YF; Bao, SS (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.
FOURTH GENERATION MAJORANA NEUTRINO, DARK MATTER AND HIGGS PHYSICS
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
Language英语
KeywordElectroweak Symmetry-breaking Standard-model Quarks Collisions Search Bosons Lhc
AbstractWe consider extensions of the standard model with fourth generation fermions (SM4) in which extra symmetries are introduced such that the transitions between the fourth generation fermions and the ones in the first three generations are forbidden. In these models, the stringent lower bounds on the masses of fourth generation quarks from direct searches can be relaxed, and the lightest fourth neutrino is allowed to be stable and light enough to trigger the Higgs boson invisible decay. In addition, the fourth Majorana neutrino can be a subdominant but highly detectable dark matter component. We perform a global analysis of the current Large Hadron Collider (LHC) data on the Higgs production and decay in this type of SM4. The results show that the mass of the lightest fourth Majorana neutrino is confined in the range similar to 41-59 GeV. Within the allowed parameter space, the predicted effective cross-section for spin-independent DM-nucleon scattering is similar to 3 x 10(-48)-6 x 10(-46) cm(2), which is close to the current XENON100 upper limit and is within the reach of the XENON1T experiment in the near future. The predicted spin-dependent cross sections can also reach similar to 8x10(-40) cm(2).
2014
ISSN0217-751X
Volume29Issue:2Pages:1450010
Subject AreaPhysics
DOI10.1142/S0217751X14500109
Indexed BySCI
Funding OrganizationNational Basic Research Program of China (973 Program) [2010CB833000]; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 11275114]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science; Natural Science Foundation of Shandong Province; China Postdoctoral Science Foundation (CPSF) ; National Basic Research Program of China (973 Program) [2010CB833000]; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 11275114]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science; Natural Science Foundation of Shandong Province; China Postdoctoral Science Foundation (CPSF) ; National Basic Research Program of China (973 Program) [2010CB833000]; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 11275114]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science; Natural Science Foundation of Shandong Province; China Postdoctoral Science Foundation (CPSF) ; National Basic Research Program of China (973 Program) [2010CB833000]; National Nature Science Foundation of China (NSFC) [10975170, 10821504, 11275114]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science; Natural Science Foundation of Shandong Province; China Postdoctoral Science Foundation (CPSF)
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15505
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBao, SS (reprint author), Shandong Univ, Sch Phys, Jinan 250100, Peoples R China.
Recommended Citation
GB/T 7714
Bao, SS,Gong, X,Si, ZG,et al. FOURTH GENERATION MAJORANA NEUTRINO, DARK MATTER AND HIGGS PHYSICS[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2014,29(2):1450010.
APA Bao, SS,Gong, X,Si, ZG,Zhou, YF,&Bao, SS .(2014).FOURTH GENERATION MAJORANA NEUTRINO, DARK MATTER AND HIGGS PHYSICS.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,29(2),1450010.
MLA Bao, SS,et al."FOURTH GENERATION MAJORANA NEUTRINO, DARK MATTER AND HIGGS PHYSICS".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 29.2(2014):1450010.
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