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- W3197804403 abstract "In our earlier work we had discussed the possibility of primordial planets composed entirely of dark matter (DM) to be the main reason for not detecting DM particles. It has been suggested that primordial planets could have formed in the early Universe and the missing baryons in the Universe could be explained by primordial free-floating planets of solid hydrogen. Many such planets were recently discovered around the old and metal poor stars and such planets could have formed at early epochs. Another possibility for missing baryons in the Universe could be that these baryons are admixed with DM particles inside the primordial planets. Here we discuss the possibility of admixture of baryons to the DM primordial planets discussed in earlier work. We consider gravitationally bound DM objects with the DM particles constituting them varying in mass from 20 – 100GeV. Different fractions of DM particles mixed with baryonic matter in forming the primordial planets are discussed. For the different mass range of DM particles forming DM planets, we have estimated the radius and density of these planets with different fractions of DM and baryonic particles. It is found that for heavier mass DM particles with the admixture of certain fractions of baryonic particles, the mass of the planet increases and can reach or even substantially exceed Jupiter-mass." @default.
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- W3197804403 date "2021-09-06" @default.
- W3197804403 modified "2023-09-27" @default.
- W3197804403 title "Primordial Planets with an Admixture of Dark Matter Particles and Baryonic Matter" @default.
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- W3197804403 doi "https://doi.org/10.20944/preprints202109.0086.v1" @default.
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