Journal
PHYSICAL REVIEW D
Volume 88, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.88.087302
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We present new constraints on possible features in the primordial inflationary density perturbation power spectrum in light of the recent cosmic microwave background anisotropy measurements from the Planck satellite. We found that the Planck data hints for the presence of features in two different ranges of angular scales, corresponding to multipoles 10< l < 60 and 150< l < 300, with a decrease in the best- fit chi(2) value with respect to the featureless vanilla'' Lambda CDM model of Delta chi(2) similar or equal to 9 in both cases.
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