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Cosmology from MAXIMA-1, BOOMERANG, and COBE DMR cosmic microwave background observations

Jaffe, A., Ade, Peter A. R., Balbi, A., Bock, J., Bond, J., Borrill, J., Boscaleri, A., Coble, K., Crill, B., de Bernardis, P., Farese, P., Ferreira, P., Ganga, K., Giacometti, M., Hanany, S., Hivon, E., Hristov, V., Iacoangeli, A., Lange, A., Lee, A., Martinis, L., Masi, S., Mauskopf, Philip Daniel, Melchiorri, A., Montroy, T., Netterfield, C., Oh, S., Pascale, Enzo, Piacentini, F., Pogosyan, D., Prunet, S., Rabii, B., Rao, S., Richards, P., Romeo, G., Ruhl, J., Scaramuzzi, F., Sforna, D., Smoot, G., Stompor, R., Winant, C. and Wu, J. 2001. Cosmology from MAXIMA-1, BOOMERANG, and COBE DMR cosmic microwave background observations. Physical Review Letters 86 (16) , pp. 3475-3479. 10.1103/PhysRevLett.86.3475

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Recent results from BOOMERANG-98 and MAXIMA-1, taken together with COBE DMR, provide consistent and high signal-to-noise measurements of the cosmic microwave background power spectrum at spherical harmonic multipole bands over 2<ℓ≲800. Analysis of the combined data yields 68% (95%) confidence limits on the total density, Ωtot≃1.11±0.07(-0.12+0.13), the baryon density, Ωbh2≃0.032-0.004+0.005(-0.008+0.009), and the scalar spectral tilt, ns≃1.01-0.07+0.09(-0.14+0.17). These data are consistent with inflationary initial conditions for structure formation. Taken together with other cosmological observations, they imply the existence of both nonbaryonic dark matter and dark energy in the Universe.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: American Physical Society
ISSN: 0031-9007
Last Modified: 23 Jan 2020 03:59

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