Indication for Primordial Anisotropies in the Neutrino Background from the Wilkinson Microwave Anisotropy Probe and the Sloan Digital Sky Survey

Trotta, Roberto; Melchiorri, Alessandro

doi:10.1103/PhysRevLett.95.011305

Scientific article

English

Indication for Primordial Anisotropies in the Neutrino Background from the Wilkinson Microwave Anisotropy Probe and the Sloan Digital Sky Survey

ContributorsTrotta, Roberto; Melchiorri, Alessandro

Published inPhysical review letters, vol. 95, no. 1, 011305

Publication date2005-06-30

First online date2005-06-30

Abstract

We demonstrate that combining Cosmic Microwave Background anisotropy measurements from the 1st year WMAP observations with clustering data from the SLOAN galaxy redshift survey yields an indication for primordial anisotropies in the cosmological Neutrino Background.

Keywords

Cosmic background radiation: anisotropy
Cosmic radiation: power spectrum
Neutrino: background
Data analysis method
Energy: density
Numerical calculations

Affiliation entities

Faculté des sciences / Section de physique / Département de physique théorique

Citation (ISO format)

TROTTA, Roberto, MELCHIORRI, Alessandro. Indication for Primordial Anisotropies in the Neutrino Background from the Wilkinson Microwave Anisotropy Probe and the Sloan Digital Sky Survey. In: Physical review letters, 2005, vol. 95, n° 1, p. 011305. doi: 10.1103/PhysRevLett.95.011305

Article (Published version)

Identifiers

PID : unige:160351
DOI : 10.1103/PhysRevLett.95.011305
PMID : 16090604
arXiv : astro-ph/0412066

Additional URL for this publicationhttps://link.aps.org/doi/10.1103/PhysRevLett.95.011305

Journal ISSN0031-9007

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Indication for Primordial Anisotropies in the Neutrino Background from the Wilkinson Microwave Anisotropy Probe and the Sloan Digital Sky Survey

We demonstrate that combining Cosmic Microwave Background anisotropy measurements from the 1st year WMAP observations with clustering data from the SLOAN galaxy redshift survey yields an indication for primordial anisotropies in the cosmological Neutrino Background.

Technical informations