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The EDGES 21 cm Anomaly and Properties of Dark Matter

The recently claimed anomaly in the measurement of the 21 cm hydrogen absorption signal by EDGES at z∼17 , if cosmological, requires the existence of new physics. The possible attempts to resolve the anomaly rely on either (i) cooling the hydrogen gas via new dark matter-hydrogen interactions or (ii...

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Detalles Bibliográficos
Autores principales:	Fraser, Sean, Hektor, Andi, Hütsi, Gert, Kannike, Kristjan, Marzo, Carlo, Marzola, Luca, Spethmann, Christian, Racioppi, Antonio, Raidal, Martti, Vaskonen, Ville, Veermäe, Hardi
Lenguaje:	eng
Publicado:	2018
Materias:	astro-ph.HE Astrophysics and Astronomy hep-ph Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1016/j.physletb.2018.08.035 http://cds.cern.ch/record/2308095

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