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The Masses of Lyman Break Galaxies
Joel R. Primack, Risa H. Wechsler, Rachel S. Somerville
Data on galaxies at high redshift, identified by the Lyman-break photometric technique, can teach us about how galaxies form and evolve. The stellar masses and other properties of…
Whatever Happened to Hot Dark Matter?
Joel R. Primack
This article summarizes the possible roles of neutrinos in cosmology, from the first three minutes onward. The fact that primordial neutrinos are about as numerous as the photons o…
The Nature of Dark Matter
Joel R. Primack
Cold Dark Matter (CDM) has become the standard modern theory of cosmological structure formation. Its predictions appear to be in good agreement with data on large scales, and it n…
Concentrations and Assembly Histories of Dark Matter Halos
Risa H. Wechsler, James S. Bullock, J. R. Primack +2
We study the relation between the density profiles of dark matter halos and their mass assembly histories, using a statistical sample of halos in a high-resolution N-body simulatio…
The Three-Dimensional Power Spectrum Measured from 2MASS
B. Allgood, G. Blumenthal, J. R. Primack
We present the three-dimensional power spectrum of galaxy clustering using measurements of the angular correlation function from the second incremental release of the Two-Micron Al…
Concentrations of Dark Halos from their Assembly Histories
Risa H. Wechsler, James S. Bullock, Joel R. Primack +2
(abridged) We study the relation between the density profiles of dark matter halos and their mass assembly histories, using a statistical sample of halos in a high-resolution N-bod…