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- W3105898678 abstract "We analyze the processes relevant for star formation in a model with dark matter in the form of sterile neutrinos. Sterile neutrino decays produce an X-ray background radiation that has a twofold effect on the collapsing clouds of hydrogen. First, the X-rays ionize the gas and cause an increase in the fraction of molecular hydrogen, which makes it easier for the gas to cool and to form stars. Second, the same X-rays deposit a certain amount of heat, which could, in principle, thwart the cooling of gas. We find that in all the cases we have examined the overall effect of sterile dark matter is to facilitate the cooling of gas. Hence, we conclude that dark matter in the form of sterile neutrinos can help the early collapse of gas clouds and the subsequent star formation." @default.
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- W3105898678 date "2007-01-01" @default.
- W3105898678 modified "2023-09-26" @default.
- W3105898678 title "Thermal Evolution of the Primordial Clouds in Warm Dark Matter Models with keV Sterile Neutrinos" @default.
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- W3105898678 doi "https://doi.org/10.1086/509066" @default.
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