Polarization Observations with the Cosmic Background Imager

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dc.creatorReadhead, A. C. S.
dc.creatorMyers, S. T.
dc.creatorPearson, T. J.
dc.creatorSievers, J. L.
dc.creatorMason, B. S.
dc.creatorContaldi, C. R.
dc.creatorBond, J. R.
dc.creatorBustos, R.
dc.creatorAltamirano, P.
dc.creatorAchermann, C.
dc.creatorBronfman, L.
dc.creatorCarlstrom, J. E.
dc.creatorCartwright, J. K.
dc.creatorCasassus, S.
dc.creatorDickinson, C.
dc.creatorHolzapfel, W. L.
dc.creatorKovac, J. M.
dc.creatorLeitch, E. M.
dc.creatorMay, J.
dc.creatorPadin, S.
dc.creatorPogosyan, D.
dc.creatorPospieszalski, M.
dc.creatorPryke, C.
dc.creatorReeves, R.
dc.creatorShepherd, M. C.
dc.creatorTorres, S.
dc.date2004-09-23
dc.date2004-10-29
dc.date.accessioned2026-07-07T02:14:43Z
dc.date.available2026-07-07T02:14:43Z
dc.descriptionPolarization observations of the cosmic microwave background with the Cosmic Background Imager from September 2002 to May 2004 provide a significant detection of the E-mode polarization and reveal an angular power spectrum of polarized emission showing peaks and valleys that are shifted in phase by half a cycle relative to those of the total intensity spectrum. This key agreement between the phase of the observed polarization spectrum and that predicted based on the total intensity spectrum provides support for the standard model of cosmology, in which dark matter and dark energy are the dominant constituents, the geometry is close to flat, and primordial density fluctuations are predominantly adiabatic with a matter power spectrum commensurate with inflationary cosmological models.
dc.description28 pages including 11 color figures (reduced in quality for astro-ph). Version 2 includes supplementary material (window functions etc.) and matches the published paper
dc.identifierhttps://arxiv.org/abs/astro-ph/0409569
dc.identifierhttp://arxiv.org/abs/astro-ph/0409569
dc.identifierScience, v306, pp 836-844 (published online October 7, 2004)
dc.identifierdoi:10.1126/science.1105598
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/8230
dc.subjectAstrophysics
dc.titlePolarization Observations with the Cosmic Background Imager
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