Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP04(2013)004
Keywords
Beyond Standard Model; Phenomenological Models; Technicolor and Composite Models
Categories
Funding
- European Programme Unication in the LHC Era [PITN-GA-2009-237920]
- Swiss National Science Foundation [200020-138131]
- ERC [267985]
- Swiss National Science Foundation (SNF) [200020_138131] Funding Source: Swiss National Science Foundation (SNF)
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We provide a systematic effective lagrangian description of the phenomenology of the lightest top-partners in composite Higgs models. Our construction is based on symmetry, on selection rules and on plausible dynamical assumptions. The structure of the resulting simplified models depends on the quantum numbers of the lightest top partner and of the operators involved in the generation of the top Yukawa. In all cases the phenomenology is conveniently described by a small number of parameters, and the results of experimental searches are readily interpreted as a test of naturalness. We recast presently available experimental bounds on heavy fermions into bounds on top partners: LHC has already stepped well inside the natural region of parameter space.
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