24–25 Jun 2017
Hong Kong University of Science and Technology (HKUST)
Asia/Hong_Kong timezone

Probing 6D Higgs Operators at Future e^{+}e^{-} Colliders

24 Jun 2017, 16:35
5m
Hong Kong University of Science and Technology (HKUST)

Hong Kong University of Science and Technology (HKUST)

Speaker

Wen Han Chiu

Description

In an effective theory, the UV physics can be parametrized by a set of higher-dimensional operators. We explore the sensitivity potential at future $e^-e^+$ colliders to probe six-dinmensional operators which may deform Higgs physics at electroweak scale. Different from studies in literature, we (1) analyze the sensitivities of disentangling the single-operator contribution, under the assumption that a deviation from the SM prediction will have be observed in some observable, and (2) take into account correlations among these operators, which may result from either physics at cutoff or renormalization group running of their Wilson coefficients or both. In particular, we compare the sensitivities which might be achieved at future $e^-e^+$ colliders, such as CEPC, Fcc$_{\rm ee}$ and ILC.

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