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  • Open Access

Singlet-doublet dark matter revisited

Prudhvi N. Bhattiprolu1,2,*, Evan Petrosky2,†, and Aaron Pierce2,‡

  • *Contact author: prudhvi.bhattiprolu@fi.infn.it
  • †Contact author: epetros@umich.edu
  • ‡Contact author: atpierce@umich.edu
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Phys. Rev. D 112, 035017 – Published 13 August, 2025

DOI: https://doi.org/10.1103/pw56-v9z5

Abstract

The singlet-doublet model is an economical model of weakly interacting dark matter. We revisit it in light of improved dark matter direct detection limits. We characterize the now well-defined regions of remaining parameter space with suppressed direct detection cross sections and discuss features of the spectrum accessible at the Large Hadron Collider. We discuss when and how parameters in these special regions might be realized as the result of renormalization group evolution when starting with generic ultraviolet initial conditions.

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Phys. Rev. D 112, 035017– Published 13 August, 2025
  • Received 5 June 2025
  • Accepted 2 July 2025
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