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Constraining Primordial Black Holes with the EDGES 21-cm Absorption Signal
The EDGES experiment has recently measured an anomalous global 21-cm spectrum due to hydrogen absorptions at redshifts of about z∼17. Model independently, the unusually low temperature of baryons probed by this observable sets strong constraints on any physical process that transfers energy into the...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2018
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.98.023503 http://cds.cern.ch/record/2311939 |