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Review Article Volume 10 Issue 1
Vector boson fusion invisible Higgs decays as constraints on Higgs-portal vector dark matter
, Verdana">, ">Andrew Silwizya, Manyika Kabuswa Davy
Received: March 26, 2026 | Published: May 4, 2026
Citation: Silwizya A, Davy MK. Vector boson fusion invisible Higgs decays as constraints on Higgs-portal vector dark matter. Phys Astron In. 2026;10(1):48-50. DOI: 10.15406/paij.2026.10.00412
Abstract
This paper explores how invisible Higgs boson decays in vector boson fusion (VBF) can be used to place constraints on Higgs-portal vector dark matter. The exploration uses published limits from ATLAS and CMS on the invisible branching ratio of the Higgs boson, BR inv (H → ) , being the starting point. These limits are first converted into bounds on the maximum invisible decay width of the Higgs boson, using à 4.1MeV SM = , and then into limits on the Higgs-portal coupling in the mass region / 2 m m V h < , where the decay h VV → is kinematically allowed. The collider-based limits are further translated into spin-independent dark matter–nucleon scattering limits,σ SI , and compared with direct detection results from LZ, XENONnT, and PandaX-4T. The results show that collider limits from invisible Higgs decays are important, especially near the threshold region / 2 m m V h ≈ , while direct detection experiments are stronger over most of the allowed mass range. This shows that collider searches and direct detection experiments work well together in testing Higgs-portal dark matter models.
Keywords: invisible higgs decays, vector boson fusion, higgs-portal dark matter, vector dark matter, spin-independent scattering
©2026 Silwizya, et al. This is an open access article distributed under the terms of the, which permits unrestricted use, distribution, and build upon your work non-commercially.