English

The Accelerated Recombination, and the ACBAR and WMAP data

Astrophysics 2009-11-13 v5

Abstract

We have investigated the deviation from the standard recombination process, using the ACBAR 2008 and the WMAP 3 year data. In this investigation, we have considered the possibility of the accelerated recombination as well as the delayed recombination. We find that the accelerated recombination is as likely as the delayed recombination, and there is some degeneracy between ϵα\epsilon_{\alpha} and \{nsn_s, log[1010As]\log[10^{10}A_s], H0H_0\}.

Cite

@article{arxiv.0802.4005,
  title  = {The Accelerated Recombination, and the ACBAR and WMAP data},
  author = {Jaiseung Kim and Pavel Naselsky},
  journal= {arXiv preprint arXiv:0802.4005},
  year   = {2009}
}

Comments

v2: matched with the accepted version (minor change) v3: typo corrections v4: a duplicated pdf file fixed

R2 v1 2026-06-21T10:16:24.554Z