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Evidence for non-Abelian dark matter from large scale structure?
<!--HTML-->In this talk I will explore the possibility that dark matter particles may come in mass-degenerate multiplets. A trivial consequence of this multiplicity are N-factors in dark matter cross sections which have non-trivial implications for dark matter searches. If dark matter multipli...
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Lenguaje: | eng |
Publicado: |
2015
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/2061521 |
Sumario: | <!--HTML-->In this talk I will explore the possibility that dark matter particles may come in mass-degenerate multiplets. A trivial consequence of this multiplicity are N-factors in dark matter cross sections which have non-trivial implications for dark matter searches.
If dark matter multiplicity arises from a weakly coupled non-Abelian dark gauge group the corresponding "dark gluons" can have interesting signatures in cosmology which I will review: 1. the "dark gluons" contribute to the radiation content of the universe and 2. gluon interactions with the dark matter may explain the >3 sigma discrepancy between precision fits to the CMB from Planck and direct measurements of large scale structure in the universe. |
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