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Implications of perturbative unitarity for scalar di-boson resonance searches at LHC

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arxiv 1604.05746 v3 pith:5W3C27E2 submitted 2016-04-19 hep-ph

classification hep-ph
keywords resonancedi-bosonunitaritydescriptioneffectivescalaraccommodatedarguments
verification ladder T0 review T1 audit T2 compute T3 formal

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We study the constraints implied by partial wave unitarity on new physics in the form of spin-zero di-boson resonances at LHC. We derive the scale where the effective description in terms of the SM supplemented by a single resonance is expected to break down depending on the resonance mass and signal cross-section. Likewise, we use unitarity arguments in order to set perturbativity bounds on renormalizable UV completions of the effective description. We finally discuss under which conditions scalar di-boson resonance signals can be accommodated within weakly-coupled models.

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Forward citations

Cited by 5 Pith papers

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    Review classifies QCD axion models extending the standard mass-coupling window and updates bounds from cosmology, astrophysics, and experiments.

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