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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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| Lenguaje: | eng |
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2018
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| Acceso en línea: | http://cds.cern.ch/record/2753791 |
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