Constraints on Omega_B, Omega_m and h from MAXIMA and BOOMERANG

Details Constraints on Omega_B, Omega_m and h from MAXIMA and BOOMERANG Constraints on Omega_B, Omega_m and h from MAXIMA and BOOMERANG

2000-10-16

arxiv.org/abs/astro-ph/0010309v2

Astrophys.J.555:125,2001

Astronomy and Astrophysics

Astrophysics

9 pages, 3 postscript figure, uses aassty, submitted to ApJL

Scientific paper

10.1086/321469

We analyse the BOOMERANG and MAXIMA results in the context of models with $\Omega_{\rm Total} = 1$ and $n_s = 1$. We attempt to constrain three other parameters---$h$, $\Omega_B$, and $\Omega_m$---from these observations. We show that: (a) the value of $\Omega_B h^2$ is too high to be compatible with primordial nucleosynthesis observations at 95% confidence level (b) universe with age greater than $ 12 \rm Gyr$ is ruled out at 95% confidence level and (c) the value of $\Omega_m h$ is too high to be compatible with the shape of the power spectrum of gravitational clustering. In effect, our analysis shows that models with $\Omega_{\rm Total} = 1$ and $n_s = 1$ are ruled out by BOOMERANG and MAXIMA observations.

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