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Gamma Ray Line Constraints on Effective Theories of Dark Matter

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arxiv 1009.0008 v2 pith:PEO3REFB submitted 2010-08-31 hep-ph astro-ph.COhep-ex

classification hep-phastro-ph.COhep-ex
keywords matterdarkconstraintsgammaresultstheorieseffectivegalactic
verification ladder T0 review T1 audit T2 compute T3 formal

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A monochromatic gamma ray line results when dark matter particles in the galactic halo annihilate to produce a two body final state which includes a photon. Such a signal is very distinctive from astrophysical backgrounds, and thus represents an incisive probe of theories of dark matter. We compare the recent null results of searches for gamma ray lines in the galactic center and other regions of the sky with the predictions of effective theories describing the interactions of dark matter particles with the Standard Model. We find that the null results of these searches provide constraints on the nature of dark matter interactions with ordinary matter which are complementary to constraints from other observables, and stronger than collider constraints in some cases.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Semi-visible higgs decay as a probe for new invisible particles

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    At the HL-LHC, semi-visible Higgs decays can probe dark-SMEFT couplings to invisible scalars or fermions below 50 GeV, with the best reach for Yukawa-type operators, while invisible Z decays and unitarity constrain de...

  2. Searching for Dark Matter with MeVCube

    hep-ph 2025-01 conditional novelty 4.0 of 10

    Using Fisher forecasting, the author shows that a 2U to 12U MeVCube CubeSat could probe new dark matter parameter space for evaporating primordial black holes and MeV-scale decaying or annihilating dark matter.

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