ITP OpenIR  > 理论物理所2014年知识产出
Hunting composite vector resonances at the LHC: naturalness facing data
Greco, D; Liu, D; Greco, D (reprint author), Ecole Polytech Fed Lausanne, Inst Theorie Phenomenes Phys, CH-1015 Lausanne, Switzerland.
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
期号12页码:126
摘要We introduce a simplified low-energy effective Lagrangian description of the phenomenology of heavy vector resonances in the minimal composite Higgs model, based on the coset SO(5)/SO(4), analysing in detail their interaction with lighter top partners. Our construction is based on robust assumptions on the symmetry structure of the theory and on plausible natural assumptions on its dynamics. We apply our simplified approach to triplets in the representations (3, 1) and (1, 3) and to singlets in the representation (1, 1) of SO(4). Our model captures the basic features of their phenomenology in terms of a minimal set of free parameters and can be efficiently used as a benchmark in the search for heavy spin-1 states at the LHC and at future colliders. We devise an efficient semi-analytic method to convert experimental limits on sigma x BR into bounds on the free parameters of the theory and we recast the presently available 8 TeV LHC data on experimental searches of spin-1 resonances as exclusion regions in the parameter space of the models. These latter are conveniently interpreted as a test of the notion of naturalness.
部门归属[Greco, Davide
关键词Phenomenological Lagrangians Symmetry Breaking Masses Model
学科领域Physics
资助者Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation
DOI10.1007/JHEP12(2014)126
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收录类别SCI
语种英语
资助者Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation ; Swiss National Science Foundation [200020-150060]; China Scholarship Foundation
WOS记录号WOS:000346652500001
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15535
专题理论物理所2014年知识产出
通讯作者Greco, D (reprint author), Ecole Polytech Fed Lausanne, Inst Theorie Phenomenes Phys, CH-1015 Lausanne, Switzerland.
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GB/T 7714
Greco, D,Liu, D,Greco, D . Hunting composite vector resonances at the LHC: naturalness facing data[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(12):126.
APA Greco, D,Liu, D,&Greco, D .(2014).Hunting composite vector resonances at the LHC: naturalness facing data.JOURNAL OF HIGH ENERGY PHYSICS(12),126.
MLA Greco, D,et al."Hunting composite vector resonances at the LHC: naturalness facing data".JOURNAL OF HIGH ENERGY PHYSICS .12(2014):126.
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