Analyse this!: A cosmological constraint package for CMBEASY -: art. no. 003

被引：57

作者：

Doran, M

Müller, CM

机构：

[1] Dartmouth Coll, Dept Phys & Astron, Hanover, NH 03755 USA

[2] Inst Theoret Phys, D-69120 Heidelberg, Germany

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2004年 / 09期

基金：

美国国家科学基金会;

关键词：

CMBR experiments; CMBR theory; cosmological perturbation theory;

D O I：

10.1088/1475-7516/2004/09/003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We introduce a Markov chain Monte Carlo simulation and data analysis package that extends the Cmbeasy software. We have taken special care in implementing an adaptive step algorithm for the Markov chain Monte Carlo in order to improve convergence. Data analysis routines are provided which allow one to test models of the Universe against measurements of the cosmic microwave background, supernovae Ia and Large Scale Structure. We present constraints on cosmological parameters derived from these measurements for a LambdaCDM cosmology and discuss the impact of the different observational data sets on the parameters. The package is publicly available as part of the Cmbeasy software at www.cmbeasy.org.

引用

收藏

页码：37 / 52

页数：16

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