中文

来自 Maxima-1、Boomerang 与 COBE/DMR 观测的宇宙学分析

天体物理学 2014-10-13 v2

摘要

BOOMERANG-98 与 MAXIMA-1的最新结果结合 COBE-DMR 数据,提供了在 2<8002<\ell\lesssim800 的球谐调和波段上,对微波背景辐射 (CMB) 功率谱进行信噪比高且一致的测量。对合并后数据进行分析后,给出了总密度 Ωtot1.11±0.07(0.12+0.13)\Omega_{\rm {tot}}\simeq 1.11 \pm 0.07 (^{+0.13}_{-0.12})、质子密度 Ωbh20.0320.004+0.005(0.008+0.009)\Omega_b h^2\simeq 0.032^{+0.005}_{-0.004} (^{+0.009}_{-0.008}) 以及标量谱倾斜 ns1.010.07+0.09(0.14+0.17)n_s\simeq1.01^{+0.09}_{-0.07} (^{+0.17}_{-0.14}) 的 68% (95%) 置信区间。这些数据与结构形成的气体模型初始条件相符。结合其他宇宙学观测,这些结果暗示了宇宙中既存在非质子暗物质,也存在暗能量。

关键词

引用

@article{arxiv.astro-ph/0007333,
  title  = {Cosmology from Maxima-1, Boomerang and COBE/DMR CMB Observations},
  author = {A. H. Jaffe and P. A. R. Ade and A. Balbi and J. J Bock and J. R. Bond and J. Borrill and A. Boscaleri and K. Coble and B. P. Crill and P. de Bernardis and P. Farese and P. G. Ferreira and K. Ganga and M. Giacometti and S. Hanany and E. Hivon and V. V. Hristov and A. Iacoangeli and A. E. Lange and A. T. Lee and L. Martinis and S. Masi and P. D. Mauskopf and A. Melchiorri and T. Montroy and C. B. Netterfield and S. Oh and E. Pascale and F. Piacentini and D. Pogosyan and S. Prunet and B. Rabii and S. Rao and P. L. Richards and G. Romeo and J. E. Ruhl and F. Scaramuzzi and D. Sforna and G. F. Smoot and R. Stompor and C. D. Winant and J. H. P. Wu},
  journal= {arXiv preprint arXiv:astro-ph/0007333},
  year   = {2014}
}

备注

5 Pages, 2 Figures, Changes to match published version