Light Primordial Exotic Compact Objects as All Dark Matter

Abstract : The radiation emitted by horizonless exotic compact objects (ECOs), such as wormholes, 2-2-holes, fuzzballs, gravastars, boson stars, collapsed polymers, superspinars etc., is expected to be strongly suppressed when compared to the radiation of black holes. If large primordial curvature fluctuations collapse into such objects instead of black holes, they do not evaporate or evaporate much slower than black holes and could thus constitute all of the dark matter with masses below M<10-16  M⊙. We reevaluate the relevant experimental constraints for light ECOs in this mass range and show that very large new parameter space down to ECO masses M∼10  TeV opens up for light primordial dark matter. A new dedicated experimental program is needed to test this mass range of primordial dark matter.
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https://hal.archives-ouvertes.fr/hal-01724872
Contributeur : Inspire Hep <>
Soumis le : mardi 6 mars 2018 - 19:57:06
Dernière modification le : mercredi 13 mars 2019 - 08:11:28

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Martti Raidal, Sergey Solodukhin, Ville Vaskonen, Hardi Veermäe. Light Primordial Exotic Compact Objects as All Dark Matter. Phys.Rev.D, 2018, 97 (12), pp.123520. 〈10.1103/PhysRevD.97.123520〉. 〈hal-01724872〉

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