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Room for New Physics in the Rayleigh-Jeans Tail of the Cosmic Microwave Background
We show that, despite stringent constraints on the shape of the main part of the cosmic microwave background (CMB) spectrum, there is considerable room for its modification within its Rayleigh-Jeans (RJ) end, ω≪TCMB. We construct explicit new physics models that give an order one (or larger) increas...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2018
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.121.031103 http://cds.cern.ch/record/2311936 |