Cosmology from MAXIMA-1, BOOMERANG and COBE / DMR CMB observations - INSPIRE

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Cosmology from MAXIMA-1, BOOMERANG and COBE / DMR CMB observations

Boomerang

Collaboration

•

Andrew H. Jaffe
(
)

Jul, 2000

5 pages

Published in:

Phys.Rev.Lett. 86 (2001) 3475-3479

e-Print:

astro-ph/0007333 [astro-ph]

DOI:

10.1103/PhysRevLett.86.3475

Experiments:

BOOMERANG,
COBE,
MAXIMA-I

View in:

ADS Abstract Service

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Abstract: (arXiv)

Recent results from BOOMERANG-98 and MAXIMA-1, taken together with COBE-DMR, provide consistent and high signal-to-noise measurements of the CMB power spectrum at spherical harmonic multipole bands over 2<\ell\lta800. Analysis of the combined data yields 68% (95%) confidence limits on the total density,

\Omega_{\rm {tot}}\simeq 1.11 \pm 0.07 (^{+0.13}_{-0.12})

, the baryon density,

\Omega_b h^2\simeq 0.032^{+0.005}_{-0.004} (^{+0.009}_{-0.008})

, and the scalar spectral tilt,

n_s\simeq1.01^{+0.09}_{-0.07} (^{+0.17}_{-0.14})

. These data are consistent with inflationary initial conditions for structure formation. Taken together with other cosmological observations, they imply the existence of both non-baryonic dark matter and dark energy in the universe.

Note:

5 Pages, 2 Figures, Changes to match published version Journal-ref: Phys. Rev. Lett., 86, 3475-3479

References(30)

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