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Interpreting the 750 GeV diphoton excess in the minimal dilaton model
Cao, JJ; Shang, LL; Su, W; Zhang, Y; Zhu, JY; Zhu, JY (reprint author), Wuhan Univ, Sch Phys & Technol, Ctr Theoret Phys, Wuhan 430072, Peoples R China.
2016
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号76期号:5页码:239
文章类型Article
摘要We try to interpret the 750 GeV diphoton excess in the minimal dilaton model, which extends the SM by adding one linearized dilaton field and vector-like fermions. We first show by analytic formulas in this framework that the production rates of the gamma gamma, gg, Z gamma, ZZ, WW*, t (t) over bar, and hh signals at the 750 GeV resonance are only sensitive to the dilaton-Higgs mixing angle theta(S) and the parameter eta equivalent to vN(X)/f, where f is the dilaton decay constant and N-X denotes the number of the fermions. Then we scan the two parameters by considering various theoretical and experimental constraints to find the solutions to the diphoton excess. We conclude that the model can predict the central value of the diphoton rate without conflicting with any constraints. The signatures of our explanation at the LHC Run II and the vacuum stability at high energy scale are also discussed.
学科领域Physics
资助者National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; U.S. National Science Foundation [PHY-0855561] ; U.S. National Science Foundation [PHY-0855561] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; U.S. National Science Foundation [PHY-0855561] ; U.S. National Science Foundation [PHY-0855561]
DOIhttp://dx.doi.org/10.1140/epjc/s10052-016-4098-5
关键词[WOS]ELECTROWEAK SYMMETRY-BREAKING ; STANDARD MODEL ; HIGGS ; RESONANCE ; ANATOMY ; BOSON ; LHC ; TOP
收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; U.S. National Science Foundation [PHY-0855561] ; U.S. National Science Foundation [PHY-0855561] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; National Natural Science Foundation of China (NNSFC) [11547103, 11275245, 11547310, 11575053] ; U.S. National Science Foundation [PHY-0855561] ; U.S. National Science Foundation [PHY-0855561]
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/311006/21675
专题2016年知识产出
通讯作者Zhu, JY (reprint author), Wuhan Univ, Sch Phys & Technol, Ctr Theoret Phys, Wuhan 430072, Peoples R China.
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Cao, JJ,Shang, LL,Su, W,et al. Interpreting the 750 GeV diphoton excess in the minimal dilaton model[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(5):239.
APA Cao, JJ,Shang, LL,Su, W,Zhang, Y,Zhu, JY,&Zhu, JY .(2016).Interpreting the 750 GeV diphoton excess in the minimal dilaton model.EUROPEAN PHYSICAL JOURNAL C,76(5),239.
MLA Cao, JJ,et al."Interpreting the 750 GeV diphoton excess in the minimal dilaton model".EUROPEAN PHYSICAL JOURNAL C 76.5(2016):239.
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