Primordial Magnetic Field Effects on the CMB and Large-Scale Structure

Table 1

PMF parameters and ΛCDM model parameters and 68% confidence intervals (𝐴_𝑡/𝐴_𝑠 is a 95% CL) from a fit to the WMAP [73] + ACBAR [74] + CBI [75] + Boomerang [76] + 2dFDR [68] data.

	Cosmological parameters
Parameter	mean	best fit
Ωbℎ^2	0.02320±0.00059	0.02295
Ωcℎ^2	0.1094±0.0046	0.1093
𝜏𝐶	0.087±0.017	0.082
𝑛𝑠	0.977±0.016	0.970
ln(10^10𝐴𝑠)	3.07±0.036	3.06
𝐴𝑡/𝐴𝑠	<0.170(68%CL),<0.271(95%CL)	0.0088
|𝐵𝜆|(nG)	<2.10 (68%CL),< 2.98 (95%CL)	𝟎.𝟖𝟓
𝑛B	<− 1.19 (68%CL),<− 0.25 (95%CL)	−𝟐.𝟑𝟕
𝜎8	0.812^+0.028−0.033	0.794
𝐻0	73.3±2.2	72.8
𝑧reion	10.9±1.4	10.5
Age(Gyr)	13.57±0.12	13.62