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New Measurements of Fine-Scale CMB Polarization Power Spectra from CAPMAP at Both 40 and 90 GHz
CAPMAP Collaboration, C. Bischoff, L. Hyatt +12
We present new measurements of the cosmic microwave background (CMB) polarization from the final season of the Cosmic Anisotropy Polarization MAPper (CAPMAP). The data set was obta…
First measurements of the polarization of the cosmic microwave background radiation at small angular scales from CAPMAP
D. Barkats, C. Bischoff, P. Farese +10
Polarization results from the Cosmic Anisotropy Polarization MAPper (CAPMAP) experiment are reported. These are based upon 433 hours, after cuts, observing a 2 square degree patch…
New Limits on the Polarized Anisotropy of the Cosmic Microwave Background at Subdegree Angular Scales
M. M. Hedman, D. Barkats, J. O. Gundersen +3
We update the limit from the 90 GHz PIQUE ground-based polarimeter on the magnitude of any polarized anisotropy of the cosmic microwave radiation. With a second year of data, we ha…
First attempt at measuring the CMB cross-polarization
Angelica de Oliveira-Costa, Max Tegmark, Matias Zaldarriaga +5
We compute upper limits on CMB cross-polarization by cross-correlating the PIQUE and Saskatoon experiments. We also discuss theoretical and practical issues relevant to measuring c…
A Limit on the Polarized Anisotropy of the Cosmic Microwave Background at Subdegree Angular Scales
M. M. Hedman, D. Barkats, J. O. Gundersen +2
A ground-based polarimeter, PIQUE, operating at 90 GHz has set a new limit on the magnitude of any polarized anisotropy in the cosmic microwave background. The combination of the s…
An Absolute Measurement of the Cosmic Microwave Background Radiation Temperature at 10.7 GHz
S. T. Staggs, N. C. Jarosik, S. S. Meyer +1
A balloon-borne experiment has measured the absolute temperature of the cosmic microwave background radiation (CMBR) at 10.7 GHz to be Tcmbr = 2.730 +- .014 K. The error is the qua…