ITP OpenIR  > SCI期刊论文
Cao, JJ; Shang, LL; Su, W; Wang, F; Zhang, Y; Wang, F (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.; Wang, F (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100080, Peoples R China.; Wang, F (reprint author), Zhengzhou Univ, Sch Phys, Zhengzhou 450000, Peoples R China.
Interpreting the 750 GeV diphoton excess within topflavor seesaw model
Source PublicationNUCLEAR PHYSICS B
Language英语
AbstractWe propose that the extension of the Standard Model by typical vector-like SU(2) Ldoublet fermions and non-singlet scalar field can account for the observed 750GeV diphoton excess in experimentally allowed parameter space. Such an idea can be realized in a typical topflavor seesaw model where the new resonance Xis identified as a CP-even or CP-odd scalar emerging from a certain bi-doublet Higgs field, and it can couple rather strongly to photons and gluons through mediators such as vector-like fermions, scalars as well as gauge bosons predicted by the model. Numerical analysis indicates that the model can predict the central value of the diphoton excess without contradicting any constraints from 8TeV LHC. Among all the constraints, the tightest one comes from the Z gamma channel with sigma(Z gamma)(8TeV) less than or similar to 3.6fb, which requires sigma(gamma gamma)(13TeV) less than or similar to 6 fbin most of the favored parameter space. Theoretical issues such as vacuum stability and Landau pole are also addressed. (C) 2016 The Author(s). Published by Elsevier B.V.
2016
Volume911Pages:447-470
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1016/j.nuclphysb.2016.08.018
Indexed BySCI
Funding OrganizationNatural Science Foundation of China [11105124, 11222548, 90103013, 11275245, 11575053, 11675147] ; Natural Science Foundation of China [11105124, 11222548, 90103013, 11275245, 11575053, 11675147] ; Natural Science Foundation of China [11105124, 11222548, 90103013, 11275245, 11575053, 11675147] ; Natural Science Foundation of China [11105124, 11222548, 90103013, 11275245, 11575053, 11675147] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P.R. China [Y5KF121CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P.R. China [Y5KF121CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P.R. China [Y5KF121CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, P.R. China [Y5KF121CJ1] ; Innovation Talent project of Henan Province [15HASTIT017] ; Innovation Talent project of Henan Province [15HASTIT017] ; Innovation Talent project of Henan Province [15HASTIT017] ; Innovation Talent project of Henan Province [15HASTIT017] ; Outstanding Young Talent Research Fund of Zhengzhou University [1421317054] ; Outstanding Young Talent Research Fund of Zhengzhou University [1421317054] ; Outstanding Young Talent Research Fund of Zhengzhou University [1421317054] ; Outstanding Young Talent Research Fund of Zhengzhou University [1421317054]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21517
CollectionSCI期刊论文
Corresponding AuthorWang, F (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.; Wang, F (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100080, Peoples R China.; Wang, F (reprint author), Zhengzhou Univ, Sch Phys, Zhengzhou 450000, Peoples R China.
Recommended Citation
GB/T 7714
Cao, JJ,Shang, LL,Su, W,et al. Interpreting the 750 GeV diphoton excess within topflavor seesaw model[J]. NUCLEAR PHYSICS B,2016,911:447-470.
APA Cao, JJ.,Shang, LL.,Su, W.,Wang, F.,Zhang, Y.,...&Wang, F .(2016).Interpreting the 750 GeV diphoton excess within topflavor seesaw model.NUCLEAR PHYSICS B,911,447-470.
MLA Cao, JJ,et al."Interpreting the 750 GeV diphoton excess within topflavor seesaw model".NUCLEAR PHYSICS B 911(2016):447-470.
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