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Type: Journal article
Title: Limits on point-like sources of ultra-high-energy neutrinos with the Pierre Auger Observatory
Author: Aab, A.
Abreu, P.
Aglietta, M.
Albuquerque, I.F.M.
Albury, J.M.
Allekotte, I.
Almela, A.
Alvarez Castillo, J.
Alvarez-Muniz, J.
Anastasi, G.A.
Anchordoqui, L.
Andrada, B.
Andringa, S.
Aramo, C.
Asorey, H.
Assis, P.
Avila, G.
Badescu, A.M.
Bakalova, A.
Balaceanu, A.
et al.
Citation: Journal of Cosmology and Astroparticle Physics, 2019; 2019(11):004-[1], 1-004-23
Publisher: IOP Publishing
Issue Date: 2019
ISSN: 1475-7516
Statement of
A. Aab… J.M. Albury … J.A. Bellido … R.W. Clay … M.J. Cooper … B.R. Dawson … J.A. Day … T.D. Grubb … T.A. Harrison … V.M. Harvey … G.C. Hill … B.C. Manning … S.J. Saffi … T. Sudholz … P. van Bodegom … et al. [The Pierre Auger collaboration]
Abstract: With the Surface Detector array (SD) of the Pierre Auger Observatory we can detect neutrinos with energy between 10¹⁷ eV and 10²⁰ eV from point-like sources across the sky, from close to the Southern Celestial Pole up to 60º in declination, with peak sensitivities at declinations around ~ −53º and ~+55º, and an unmatched sensitivity for arrival directions in the Northern hemisphere. A search has been performed for highly-inclined air showers induced by neutrinos of all flavours with no candidate events found in data taken between 1 Jan 2004 and 31 Aug 2018. Upper limits on the neutrino flux from point-like steady sources have been derived as a function of source declination. An unrivaled sensitivity is achieved in searches for transient sources with emission lasting over an hour or less, if they occur within the field of view corresponding to the zenith angle range between 60º and 95º where the SD of the Pierre Auger Observatory is most sensitive to neutrinos.
Keywords: Cosmic ray experiments; cosmological neutrinos; neutrino astronomy; ultra high energy cosmic rays
Rights: © 2019 IOP Publishing Ltd and Sissa Medialab
DOI: 10.1088/1475-7516/2019/11/004
Grant ID: ARC
Published version:
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