http://xxx.uni-augsburg.de/abs/astro-ph/?0111122
Astrophysics, abstract
astro-ph/0111122
From: Moncy V. John <moncy@stthom.ernet.in>
Date: Tue, 6 Nov 2001 20:19:23 GMT (23kb)
Comparison of cosmological models using Bayesian theory
Authors: Moncy V. John, J.V. Narlikar
Comments: Accepted for publication in Physical Review D
Using the Bayesian theory of model comparison, a new cosmological
model due to John and Joseph [M. V. John and K. Babu Joseph, Phys.
Rev. D 61, 87304 (2000)] is compared with the standard
\Omega_{\Lambda} \neq 0 cosmological model. Their analysis based
on the recent apparent magnitude-redshift data of Type Ia
supernovas found evidence against the new model; our more careful
analysis finds instead that this evidence is not strong. On the
other hand, we find that the angular size-redshift data from
compact (milliarcsecond) radio sources do not discriminate between
the two models. Our analysis serves as an example of how to
compare the relative merits of cosmological models in general,
using the Bayesian approach.
Paper: Source (23kb), PostScript, or Other formats
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Amara Graps, PhD | Max-Planck-Institut fuer Kernphysik
Heidelberg Cosmic Dust Group | Saupfercheckweg 1
+49-6221-516-543 | 69117 Heidelberg, GERMANY
Amara.Graps@mpi-hd.mpg.de * http://www.mpi-hd.mpg.de/dustgroup/~graps
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"We came whirling out of Nothingness scattering stars like dust." --Rumi
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