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From data to science: Planck data and the CMB non-Gaussianity
release_ilfs2jk53rbl5gu3xywddiwd2y
by
Anna Mangilli
Published
in Proceedings of the International Astronomical Union
by Cambridge University Press (CUP).
2014 Volume 10, Issue S306, p131-134
Abstract
<jats:title>Abstract</jats:title>
Studying the non-Gaussianity (NG) of the Cosmic Microwave Background (CMB) is an extremely powerful tool to investigate the properties of the very early Universe. The Planck nominal mission CMB maps yielded unprecedented constraints on primordial non-Gaussianity providing with the highest precision test of the standard model of inflation. Planck's high sensitivity also allowed to find evidence for the first time of the late-time non-Gaussianity arising from the Lensing-Integrated Sachs Wolfe (ISW) cross correlation. In this talk I will give details on the Planck data analysis and I will discuss the theoretical implications of the results.
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