Polarization of Cosmic Microwave Background

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.

arXiv comment6 pages, 4 figures, proceedings of the 6th Young Researchers Meeting, L'Aquila, Oct 12th-14th 2015

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Cited by in corpus (3)

• Radiation in equilibrium with plasma and plasma effects on cosmic microwave background
• Optimal cosmic microwave background map-making in the presence of cross-correlated noise
• Optimal strategy for polarization modulation in the LSPE-SWIPE experiment