Polarization of the cosmic background radiation

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We discuss the technique and results of a measurement of the linear polarization of the Cosmic Background Radiation. Data taken between May 1978 and February 1980 from both the northern hemisphere (Berkeley Lat. 38{sup o}N) and the southern hemisphere (Lima Lat. 12{sup o}s) over 11 declinations from -37{sup o} to +63{sup o} show the radiation to be essentially unpolarized over all areas surveyed. Fitting all data gives the 95% confidence level limit on a linearly polarized component of 0.3 mK for spherical harmonics through third order. A fit of all data to the anisotropic axisymmetric model of Rees (1968) yields ... continued below

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Lubin, Philip M. & Smoot, George F. August 1, 1980.

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We discuss the technique and results of a measurement of the linear polarization of the Cosmic Background Radiation. Data taken between May 1978 and February 1980 from both the northern hemisphere (Berkeley Lat. 38{sup o}N) and the southern hemisphere (Lima Lat. 12{sup o}s) over 11 declinations from -37{sup o} to +63{sup o} show the radiation to be essentially unpolarized over all areas surveyed. Fitting all data gives the 95% confidence level limit on a linearly polarized component of 0.3 mK for spherical harmonics through third order. A fit of all data to the anisotropic axisymmetric model of Rees (1968) yields a 95% confidence level limit of 0.15 mK for the magnitude of the polarized component. Constraints on various cosmological models are discussed in light of these limits.

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  • Journal Name: Astrophysical Journal; Journal Volume: 245; Journal Issue: pt1; Related Information: Journal Publication Date: 04/01/1981

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  • Report No.: LBL--11362
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 893034
  • Archival Resource Key: ark:/67531/metadc873901

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  • August 1, 1980

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  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 21, 2017, 3:55 p.m.

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Lubin, Philip M. & Smoot, George F. Polarization of the cosmic background radiation, article, August 1, 1980; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc873901/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.