Journal Article

LUNASKA experiment observational limits on UHE neutrinos from Centaurus A and the Galactic Centre

C. W. James, R. J. Protheroe, R. D. Ekers, J. Alvarez-Muñiz, R. A. McFadden, C. J. Phillips, P. Roberts and J. D. Bray

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 410, issue 2, pages 885-889
Published in print January 2011 | ISSN: 0035-8711
Published online December 2010 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.17486.x
LUNASKA experiment observational limits on UHE neutrinos from Centaurus A and the Galactic Centre

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We present the first observational limits to the ultra-high-energy (UHE) neutrino flux from the Galactic Centre, and from Centaurus A which is the nearest active galactic nucleus. These results are based on our ‘Lunar UHE Neutrino Astrophysics using the Square Kilometre Array’ (LUNASKA) project experiments at the Australia Telescope Compact Array (ATCA). We also derive limits for the previous experiments and compare these limits with expectations for acceleration and superheavy dark matter models of the origin of UHE cosmic rays.

Keywords: neutrinos; Galaxy: centre; galaxies: active; galaxies: individual: Centaurus A

Journal Article.  4084 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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