Constraining Absolute Higgs Couplings using Vector Boson Fusion H to WW with FCC-hh

The absolute normalization scale of Higgs couplings is difficult to determine in hadron colliders. A experimentally and theoretically clean way to establish the coupling scale is measure the ratio of resonant Vector Boson Fusion H to WW* production to non-resonant qq to qqWW, because both the theoretical and detector response systematics all cancel to first order in the ratio. To set the scale of the scale of the sensitivity, a simple selection and fit is presented with gives a 1.8% statistical uncertainty on the ratio.