Test of the triple Higgs boson form factor in ${\mu }^{-}{\mu }^{+}\to HH$

Abstract

We study the sensitivity of the process ${\mu }^{-}{\mu }^{+}\to HH$ to the $q^2$-dependence of the $HHH$ form factor, which can reflect the Higgs boson structure, especially in the case of compositeness. We compute the Born and 1 loop SM contribution to this process. We then show how the ${\mu }^{-}{\mu }^{+}\to HH$ polarized and unpolarized cross sections are modified by the presence of various types of anomalous contributions to the $HHH$ form factor, in particular Higgs constituents in the case of compositeness.

24 pages, 22 figures, Version to appear to Physical Review D. arXiv admin note: substantial text overlap with arXiv:1510.04102

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• Overview of the CSM concept and its tests