The Lyman Alpha Forest in Hierarchical Cosmologies
M. Machacek, G. Bryan, P. Anninos, A. Meiksin, M. L. Norman, Y. Zhang
Abstract
The comparison of quasar absorption spectra with numerically simulated spectra from hierarchical cosmological models of structure formation promises to be a valuable tool to discriminate among these models. We present simulation results for the column density, Doppler b parameter, and optical depth probability distributions for five popular cosmological models.
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