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arXiv · 1604.02062

Polarization of Cosmic Microwave Background

Alessandro Buzzelli·Paolo Cabella·Giancarlo de Gasperis·Nicola Vittorio
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Abstract

In this work we present an extension of the ROMA map-making code for data analysis of Cosmic Microwave Background polarization, with particular attention given to the inflationary polarization B-modes. The new algorithm takes into account a possible cross-correlated noise component among the different detectors of a CMB experiment. We tested the code on the observational data of the BOOMERanG (2003) experiment and we show that we are provided with a better estimate of the power spectra, in particular the error bars of the BB spectrum are smaller up to 20% for low multipoles. We point out the general validity of the new method. A possible future application is the LSPE balloon experiment, devoted to the observation of polarization at large angular scales.

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Alessandro Buzzelli, Paolo Cabella, Giancarlo de Gasperis, Nicola Vittorio. 2016-04-07. Polarization of Cosmic Microwave Background. https://doi.org/10.1088/1742-6596/689/1/012003

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