Bounds on Very Weakly Interacting Sub-eV Particles (WISPs) from Cosmology and Astrophysics

Details Bounds on Very Weakly Interacting Sub-eV Particles (WISPs) from Cosmology and Astrophysics Bounds on Very Weakly Interacting Sub-eV Particles (WISPs) from Cosmology and Astrophysics

2008-10-17

arxiv.org/abs/0810.3200v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures. To appear in the proceedings of 4th Patras Workshop on Axions, WIMPs and WISPs - Training Workshop, Hambur

Scientific paper

Many weakly interacting sub-electronVolt particles (WISPs) are easily accommodated in extensions of the standard model. Generally the strongest bounds on their existence come from stellar evolution and cosmology, where to the best of our knowledge observations seem to agree with the standard budget of particles. In this talk I review the most demanding constraints for axions and axion-like-particles, hidden photons and mini-charged particles.

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