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Geng, CQ; Huang, D; Tang, Y; Wu, YL; Geng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu, Taiwan.
Note on 125 GeV spin-2 particle
Source PublicationPHYSICS LETTERS B
Language英语
KeywordStandard Model Higgs-boson Lhc Decays Dimensions Hierarchy Mass
AbstractA new boson around 125 GeV without specific spin has been observed by both ATLAS and CMS at the LHC. Since its decay into a diphoton excludes the spin-1 case by the Landau-Yang theorem, it leaves 0 or 2 as the possible lowest spin for the new boson. Instead of the well-established spin-0 Higgs-like boson, we take this new boson to be a spin-2 massive graviton-like particle denoted as G, which exists copiously in extra-dimension theories, and concentrate on its phenomenology. In particular, we calculate the three-body decays of G -> Vf (f) over bar' with V and f((')) the gauge boson and fermions in the standard model (SM) and compare our results with those of the SM Higgs boson. The couplings between G and Vs are also estimated by fitting the data. A new observable that can distinguish G from the Higgs is proposed. (C) 2013 Elsevier B.V. All rights reserved.
2013
ISSN0370-2693
Volume719Issue:1-3Pages:164-169
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Center for Theoretical Science and National Science Council [NSC-98-2112-M-007-008-MY3, NSC-101-2112-M-007-006-MY3]; National Science Foundation of China (NSFC) [10821504, 10975170]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Center for Theoretical Science and National Science Council [NSC-98-2112-M-007-008-MY3, NSC-101-2112-M-007-006-MY3]; National Science Foundation of China (NSFC) [10821504, 10975170]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Center for Theoretical Science and National Science Council [NSC-98-2112-M-007-008-MY3, NSC-101-2112-M-007-006-MY3]; National Science Foundation of China (NSFC) [10821504, 10975170]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science ; National Center for Theoretical Science and National Science Council [NSC-98-2112-M-007-008-MY3, NSC-101-2112-M-007-006-MY3]; National Science Foundation of China (NSFC) [10821504, 10975170]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Science
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15417
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGeng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu, Taiwan.
Recommended Citation
GB/T 7714
Geng, CQ,Huang, D,Tang, Y,et al. Note on 125 GeV spin-2 particle[J]. PHYSICS LETTERS B,2013,719(1-3):164-169.
APA Geng, CQ,Huang, D,Tang, Y,Wu, YL,&Geng, CQ .(2013).Note on 125 GeV spin-2 particle.PHYSICS LETTERS B,719(1-3),164-169.
MLA Geng, CQ,et al."Note on 125 GeV spin-2 particle".PHYSICS LETTERS B 719.1-3(2013):164-169.
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