Questions tagged [axion]
Questions about a hypothetical elementary particle postulated by the Peccei–Quinn theory in 1977 to resolve the strong CP problem in quantum chromodynamics (QCD).
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What is the contribution of star-produced axions to the dark matter budget of the Milky Way?
I try to follow the discussion of axions since Peccei, Quinn, Wilzcek and Weinberg. What I still don't understand is how much the speculated stellar production of axions could add to the galactic dark ...
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Can Axions escape the Black Holes?
I read about Tachyons and Gravitational Waves and also about Exotic matter, really nothing can escape a Black Hole, can Axions escape for providing a new hope?
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Two species of dark matter?
At this point in time, evidence for the existence of dark matter has accumulated in many ways:
it affects galactic rotation curves
plays a major role in cosmology, and the evolution of structure in ...
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