Polarization Spectrum of CMB Obtained from the Cosmic Background Imager

Details Polarization Spectrum of CMB Obtained from the Cosmic Background Imager Polarization Spectrum of CMB Obtained from the Cosmic Background Imager

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxac..26..121r&link_type=abstract

XI IAU Regional Latin American Meeting of Astronomy (Eds. L. Infante & M. Rubio) Revista Mexicana de Astronomía y Astrofísica (S

Astronomy and Astrophysics

Astronomy

1

Cosmic Microwave Background, Cosmology: Observations

Scientific paper

We present the estimated angular power spectrum of the polarized CMB emission by using the Cosmic Background Imager (CBI). Dedicated CMB observations were carried out from September 2002 to April 2005, providing enough data to extract an unprecedent EE power spectrum with an overall 10σ detection of polarization. The peak-dip pattern of the EE spectrum and its phase shift with the TT power spectrum confirm important aspects of the primordial physics of the early universe as inferred from the standard cosmological model.

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