AAS 205th Meeting, 9-13 January 2005
Session 73 Distances, the CMB and the Sunyaev-Zeldovich Effect
Oral, Tuesday, January 11, 2005, 10:00-11:30am, Golden Ballroom

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[73.07] Implications of the CBI Polarization Spectrum

J. L. Sievers (CITA), CBI Collaboration

The Cosmic Background Imager (CBI), a radio interferometer located in the Chilean Andes, has recently published a spectrum of the polarized power spectrum of the CMB in a range of \ell ~400-2000. The CBI's polarization spectrum has sufficient sensitivity that it can begin to place limits on allowed cosmological models, independent of the total-intensity spectrum. I discuss some of these limits, including the angular scale of the polarized spectrum and the phase of the polarized spectrum relative to that predicted by the total-intensity.

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