期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2014)082
关键词
Higgs Physics; Beyond Standard Model
资金
- National Science Foundation at KITP Santa Barbara [PHY11-25915]
- MIUR [2010YJ2NYW]
We further develop a form factor formalism characterizing anomalous interactions of the Higgs-like boson (h) to massive electroweak vector bosons (V) and generic bilinear fermion states (F). Employing this approach, we examine the sensitivity of pp -> F -> V h associated production to physics beyond the Standard Model, and compare it to the corresponding sensitivity of h -> V F decays. We discuss how determining the V h invariant-mass distribution in associated production at LHC is a key ingredient for model-independent determinations of hV F interactions. We also provide a general discussion about the power counting of the form factor's momentum dependence in a generic effective field theory approach, analyzing in particular how effective theories based on a linear and non-linear realization of the SU(2)(L) x U(1)(Y) gauge symmetry map into the form factor formalism. We point out how measurements of the differential spectra characterizing h -> V F decays and pp -> F -> V h associated production could be the leading indication of the presence of a nonlinear realization of the SU(2)(L) x U(1)(Y) gauge symmetry.
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