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Cited by 257

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Significant Gamma Lines from Inert Higgs Dark Matter

Open access
Gustafsson, Michael, Lundström, Erik, Bergström, Lars, Edsjö, Joakim·2007·Physical Review Letters

Abstract

One way to unambiguously confirm the existence of particle dark matter and determine its mass would be to detect its annihilation into monochromatic gamma-rays in upcoming telescopes. One of the most minimal models for dark matter is the inert doublet model, obtained by adding another Higgs doublet with no direct coupling to fermions. For a mass between 40 and 80 GeV, the lightest of the new inert Higgs particles can give the correct cosmic abundance of cold dark matter in agreement with current observations. We show that for this scalar dark matter candidate, the annihilation signal of monochromatic gammagamma and Zgamma final states would be exceptionally strong. The energy range and rates for these gamma-ray line signals make them ideal to search for with the soon upcoming GLAST satellite.

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Metadata

Authors
Gustafsson, M., Lundström, E., Bergström, L., & Edsjö, J.
Venue
Physical Review Letters
Published
2007-07-27
Volume
99
Issue
4
Pages
041301-041301
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2109600105
Cited by
257
References
3
FWCI
16.37
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Significant Gamma Lines from Inert Higgs Dark Matter. https://app.cochat.ai/papers/10.1103/physrevlett.99.041301
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Gustafsson, M., Lundström, E., Bergström, L., & Edsjö, J. (2007). Significant Gamma Lines from Inert Higgs Dark Matter. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.041301

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