Phys. Rev. Lett. 95, 011305 (2005) [4 pages]

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

Abstract

References

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Roberto Trotta^1,2 and Alessandro Melchiorri³
¹Astrophysics, Oxford University, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, United Kingdom
²Département de Physique Théorique, Université de Genève, 24 quai Ernest Ansermet, CH-1211 Genève 4, Switzerland
³Physics Department and sezione INFN, University of Rome “La Sapienza”, Ple Aldo Moro 2, 00185 Rome, Italy

Received 5 December 2004; revised 16 May 2005; published 30 June 2005

We demonstrate that combining cosmic microwave background anisotropy measurements from the 1st year Wilkinson Microwave Anisotropy Probe observations with clustering data from the Sloan galaxy redshift survey yields an indication for primordial anisotropies in the cosmological neutrino background.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.95.011305

DOI:

10.1103/PhysRevLett.95.011305

PACS:

98.80.Es, 98.62.Py, 98.70.Vc

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Phys. Rev. Lett. 95, 011305 (2005) [4 pages]

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