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Harrison-Zel'dovich primordial spectrum is consistent with observations

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Harrison-Zel'dovich primordial spectrum is consistent with observations

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dc.contributor.author	Pandolfi, Stefania
dc.contributor.author	Giusarma, Elena
dc.contributor.author	Kolb, Edward W.
dc.contributor.author	Lattanzi, Massimiliano
dc.contributor.author	Melchiorri, Alessandro
dc.contributor.author	Mena Requejo, Olga
dc.contributor.author	Cooray, Asantha
dc.contributor.author	Serra, Paolo
dc.date.accessioned	2014-09-16T07:11:38Z
dc.date.available	2014-09-16T07:11:38Z
dc.date.issued	2010
dc.identifier.citation	Pandolfi, Stefania Giusarma, Elena Kolb, Edward W. Lattanzi, Massimiliano Melchiorri, Alessandro Mena Requejo, Olga Cooray, Asantha Serra, Paolo 2010 Harrison-Zel'dovich primordial spectrum is consistent with observations Physical Review D 81 12 123509
dc.identifier.uri	http://hdl.handle.net/10550/37912
dc.description.abstract	Inflation predicts primordial scalar perturbations with a nearly scale-invariant spectrum and a spectral index approximately unity (the Harrison--Zel'dovich (HZ) spectrum). The first important step for inflationary cosmology is to check the consistency of the HZ primordial spectrum with current observations. Recent analyses have claimed that a HZ primordial spectrum is excluded at more than 99% c.l.. Here we show that the HZ spectrum is only marginally disfavored if one considers a more general reionization scenario. Data from the Planck mission will settle the issue.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2010, vol. 81, num. 12, p. 123509
dc.subject	Física
dc.title	Harrison-Zel'dovich primordial spectrum is consistent with observations
dc.type	journal article	es_ES
dc.date.updated	2014-09-16T07:11:38Z
dc.identifier.doi	10.1103/PhysRevD.81.123509
dc.identifier.idgrec	064828
dc.rights.accessRights	open access	es_ES