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- W4225632098 abstract "We set the strongest limits to-date on the velocity-independent dark matter (DM) - proton cross section $sigma$ for DM masses $m = 10,mathrm{keV}$ to $100,mathrm{GeV}$, using large-scale structure traced by the Lyman-alpha forest: e.g., a 95% lower limit $sigma < 6 times 10^{-30},mathrm{cm}^2$, for $m = 100,mathrm{keV}$. Our results complement direct detection, which has limited sensitivity to sub-GeV DM. We use an emulator of cosmological simulations, combined with data from the smallest cosmological scales used to-date, to model and search for the imprint of primordial DM-proton collisions. Cosmological bounds are improved by up to a factor of 25." @default.
- W4225632098 created "2022-05-05" @default.
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- W4225632098 date "2021-11-19" @default.
- W4225632098 modified "2023-09-28" @default.
- W4225632098 title "New limits on light dark matter - proton cross section from the cosmic large-scale structure" @default.
- W4225632098 hasPublicationYear "2021" @default.
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