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Bounds on dark matter annihilations from 21cm data

The observation of an absorption feature in the 21 cm spectrum at redshift z ≈17 implies bounds on Dark Matter annihilations for a broad range of masses,given that significant heating of the intergalactic medium would have erasedsuch feature. The resulting bounds on the DM annihilation cross section...

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Detalles Bibliográficos
Autor principal: D'Amico, Guido
Lenguaje:eng
Publicado: 2018
Materias:
Acceso en línea:http://cds.cern.ch/record/2753791