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Implications of the cosmic background imager polarization data

Abstract:

We present new measurements of the power spectra of the E mode of cosmic microwave background (CMB) polarization, the temperature T, the cross-correlation of E and T, and upper limits on the B mode from 2.5 yr of dedicated Cosmic Background Imager (CBI) observations. Both raw maps and optimal signal images in the (u, v)-plane and the sky plane show strong detections of the E mode (11.7 σ for the EE power spectrum overall) and no detection of the B mode. The power spectra are used to constrain...

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Publisher copy:
10.1086/510504

Authors


Journal:
Astrophysical Journal More from this journal
Volume:
660
Issue:
2 I
Pages:
976-987
Publication date:
2007-05-10
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Language:
English
Keywords:
Pubs id:
pubs:103463
UUID:
uuid:d3f1cc89-63ef-45a5-aab4-72daa951d50c
Local pid:
pubs:103463
Source identifiers:
103463
Deposit date:
2012-12-19

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