Study of the hγ Z coupling using e+e-h γ at the ILC
Abstract
We study the e+e- h γ process at the International Linear Collider (ILC) to probe new physics in the hγ Z coupling. The study is performed at a center of mass energy of 250 GeV and is based on the full simulation of the International Large Detector (ILD). The expected signal significance is found to be 0.53 σ for an integrated luminosity of 2000 fb-1 in the case of the standard model. The corresponding 95 \% confidence level upper limit for the signal cross section is 1.08 fb for left-handed beam polarization.
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