Journal
PHYSICAL REVIEW D
Volume 91, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.035014
Keywords
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Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- USA NSF [PHY-0653342, PHY-13-16617]
- FP7 ITN INVISIBLES (Marie Curie Actions Grant) [PITN-GA-2011-289442]
- CUR Generalitat de Catalunya [2014-SGR-104]
- Spanish MINECO [FPA2013-46570]
- Consolider-Ingenio Program [CSD-2008-0037]
- ICREA Funding Source: Custom
- Division Of Physics
- Direct For Mathematical & Physical Scien [1316617] Funding Source: National Science Foundation
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We obtain the partial-wave unitarity constraints on dimension-six operators stemming from the analyses of vector boson and Higgs scattering processes as well as the inelastic scattering of standard model fermions into electroweak gauge bosons. We take into account all coupled channels, all possible helicity amplitudes, and explore a six-dimensional parameter space of anomalous couplings. Our analysis shows that for those operators affecting the Higgs couplings, present 90% confidence level constraints from global data analysis of Higgs and electroweak data are such that unitarity is not violated if root s <= 3.2 TeV. For the purely gauge-boson operator O-WWW, the present bounds from triple-gauge-boson analysis indicate that within its presently allowed 90% confidence level range unitarity can be violated in f (f) over bar' -> VV' at center-of-mass energy root s >= 2.4 TeV.
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