Nonthermal dark matter mimicking an additional neutrino species in the early universe
Nonthermal dark matter mimicking an additional neutrino species in the early universe
The South Pole Telescope (SPT), Atacama Cosmology Telescope (ACT), and Wilkinson Microwave Anisotropy Probe (WMAP) have each reported measurements of the cosmic microwave background's (CMB) angular power spectrum which favor the existence of roughly one additional neutrino species, in addition to the three contained in the standard model of particle …