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- W4280522021 abstract "We present the first branon dark matter (DM) search in the very high-energy gamma-ray band with observations of the dwarf spheroidal galaxy Segue~1 carried out by the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescope system. Branons are new degrees of freedom that appear in flexible brane-world models corresponding to brane fluctuations. They behave as weakly interacting massive particles, which are natural DM candidates. In the absence of a gamma-ray signal in the Segue~1 data, we place constraints on the branon DM parameter space by using a binned likelihood analysis. Our most constraining limit to the thermally-averaged annihilation cross-section (at $95%$ confidence level) corresponds to $ langle sigma v rangle simeq 1.4 times 10^{-23}~text{cm}^{3}text{s}^{-1} $ at a branon DM mass of $ sim 0.7~text{TeV}$." @default.
- W4280522021 created "2022-05-22" @default.
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- W4280522021 date "2022-05-14" @default.
- W4280522021 modified "2023-09-26" @default.
- W4280522021 title "Constraining branon dark matter from observations of the dwarf spheroidal galaxies with the MAGIC telescopes" @default.
- W4280522021 doi "https://doi.org/10.48550/arxiv.2205.07055" @default.
- W4280522021 hasPublicationYear "2022" @default.
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