Shape analysis in Higgs boson pair production

Abstract

We study the impact of anomalous couplings in the Higgs sector on the shape of the Higgs boson pair invariant mass distribution at NLO. Our analysis is based on a five-dimensional coupling parameter space relevant for Higgs boson pair production in gluon fusion, in the framework of a non-linear Effective Field Theory. In particular, we present a clustering procedure into certain shape types based on unsupervised machine learning, with the aim to infer information about the underlying parameter space from a given shape type.

10 pages, 4 figures. To appear in the proceedings of the 14th International Symposium on Radiative Corrections (RADCOR 2019), 9-13 September 2019, Avignon, France

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