arXiv:1312.7273·v1·High Energy Physics — Theory
On How Neutrino Protects the Axion
Gia Dvali🇺🇸 · Sarah Folkerts🇩🇪 · Andre Franca🇩🇪
Abstract
We show how the neutrino can sacrifice itself to quantum gravity and save the axion solution to the strong-CP problem. This mechanism puts an upper bound on the lightest neutrino mass.
Comments: 9 pages