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Predictions for the clustering properties of the Lyman-alpha Forest - I. One-point statistics
Enrique Gaztanaga, Rupert A. C. Croft
We present predictions for the one-point probability distribution and cumulants of the transmitted QSO flux in the high redshift Lyman- Forest. We make use of the correlation be…
Cosmology with the Lyman-alpha Forest
David H. Weinberg, Scott Burles, Rupert A. C. Croft +11
We outline the physical picture of the high-redshift Ly-alpha forest that has emerged from cosmological simulations, describe statistical characteristics of the forest that can be…
Closing in on Omega_0: The Amplitude of Mass Fluctuations from Galaxy Clusters and the Lyman-alpha Forest
David H. Weinberg, Rupert A. C. Croft, Lars Hernquist +2
We estimate the value of the matter density parameter Ω_0 by combining constraints from the galaxy cluster mass function with Croft et al.'s recent measurement of the mass power sp…
The Power Spectrum of Mass Fluctuations Measured from the Lyman-alpha Forest at Redshift z=2.5
Rupert A. C. Croft, David H. Weinberg, Max Pettini +2
We measure the linear power spectrum of mass density fluctuations at redshift z=2.5 from the \lya forest absorption in a sample of 19 QSO spectra, using the method introduced by Cr…
Recovering the Primordial Density Fluctuations: A comparison of methods
Vijay K. Narayanan, Rupert A. C. Croft
We present a comparative study of six different methods for reversing the gravitational evolution of a cosmological density field to recover the primordial fluctuations: linear the…
Cosmology from the structure of the Lyman-alpha forest
Rupert Croft, David Weinberg, Neal Katz +1
A convincing physical picture for the Lyman-alpha forest has emerged from simulations and related semi-analytic studies of structure formation models. Observations can be be used i…
The APM cluster-galaxy cross-correlation function : Constraints on Omega and galaxy bias
Rupert Croft, Gavin Dalton, George Efstathiou
(abridged) We estimate the cluster-galaxy cross-correlation function (Xi_cg), from the APM galaxy and galaxy cluster surveys, both in real space from the inversion of projected sta…