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High Energy Physics - Phenomenology

arXiv:2304.04165 (hep-ph)
[Submitted on 9 Apr 2023 (v1), last revised 29 Aug 2023 (this version, v2)]

Title:Observability of the Higgs boson decay to a photon and a dark photon

Authors:Hugues Beauchesne, Cheng-Wei Chiang
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Abstract:Many collider searches have attempted to detect the Higgs boson decaying to a photon and an invisible massless dark photon. For the branching ratio to this channel to be realistically observable at the LHC, there must exist new mediators that interact with both the standard model and the dark photon. In this paper, we study experimental and theoretical constraints on an extensive set of mediator models. We show that these constraints limit the Higgs branching ratio to a photon and a dark photon to be far smaller than the current sensitivity of collider searches.
Comments: 17 pages, 5 figures, matches published version
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2304.04165 [hep-ph]
  (or arXiv:2304.04165v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.2304.04165
Related DOI: https://doi.org/10.1103/PhysRevD.108.015018

Submission history

From: Hugues Beauchesne [view email]
[v1] Sun, 9 Apr 2023 05:41:54 UTC (141 KB)
[v2] Tue, 29 Aug 2023 05:18:42 UTC (141 KB)
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