2 papers
astro-ph.CO2025
Measuring neutrino mass and asymmetry with matter pairwise velocities
Wangzheng Zhang, Ming-chung Chu, Rui Hu +2
Neutrinos are believed to be the most abundant fermions in the Universe, but their masses are unknown, except for being non-zero but much smaller than other fermions. Cosmological…
astro-ph.CO2024
Measuring the Hubble constant through the galaxy pairwise peculiar velocity
Wangzheng Zhang, Ming-chung Chu, Shihong Liao +2
The Hubble constant , the current expansion rate of the universe, is one of the most important parameters in cosmology. The cosmic expansion regulates the mutually approaching…