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Journal Article

Searching for dark matter in the Galactic halo with a wide field of view TeV gamma-ray observatory in the Southern Hemisphere

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Schoorlemmer,  Harm
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Hinton,  Jim
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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1906.03353
(Preprint), 763KB

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Citation

Viana, A., Schoorlemmer, H., Albert, A., de Souza, V., Harding, J. P., & Hinton, J. (2019). Searching for dark matter in the Galactic halo with a wide field of view TeV gamma-ray observatory in the Southern Hemisphere. Journal of Cosmology and Astroparticle Physics, 12: 061. doi:10.1088/1475-7516/2019/12/061.


Cite as: https://hdl.handle.net/21.11116/0000-0005-6744-B
Abstract
Despite mounting evidence that dark matter (DM) exists in the Universe, its fundamental nature remains unknown. We present sensitivity estimates to detect DM particles with a future very-high-energy (gsim TeV) wide field-of-view gamma-ray observatory in the Southern Hemisphere. This observatory would search for gamma rays from the annihilation or decay of DM particles in the Galactic halo. With a wide field of view, both the Galactic Center and a large fraction of the Galactic halo will be detectable with unprecedented sensitivity to DM in the mass range of ~500 GeV to ~2 PeV . These results, combined with those from other present and future gamma-ray observatories, will likely probe the thermal relic annihilation cross section of Weakly Interacting Massive Particles for all masses from ~80 TeV down to the GeV range in most annihilation channels.