No CrossRef data available.
Published online by Cambridge University Press: 04 August 2017
Weak interacting particles (WIPs): neutrinos (νe, νμ, ντ), the hypothetical photino (), the gravitino (
), etc., may have nonzero rest mass. This fact is extremely important for cosmology. WIPs do not annihilate in the very early Universe and their number is preserved. If they have a rest mass, their mass density may dominate in the Universe (1).