Adelaide Research & Scholarship
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https://hdl.handle.net/2440/74978
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| Type: | Journal article |
| Title: | A Search for point sources of Eev neutrons |
| Author: | Barber, K. Bellido Caceres, J. Clay, R. Cooper, M. Dawson, B. Harrison, T. Herve, A. Holmes, V. Sorokin, J. Wahrlich, P. Whelan, B. |
| Citation: | The Astrophysical Journal: an international review of astronomy and astronomical physics, 2012; 760(2):1-11 |
| Publisher: | Univ Chicago Press |
| Issue Date: | 2012 |
| ISSN: | 0004-637X 1538-4357 |
| Statement of Responsibility: | The Pierre Auger Collaboration and P. Abreu... K. B. Barber... J. A. Bellido... R. W. Clay... M. J. Cooper... B. R. Dawson... T. A. Harrison... A. E. Herve... V. C. Holmes... J. Sorokin... P. Wahrlich... B. J. Whelan... et al. |
| Abstract: | A thorough search of the sky exposed at the Pierre Auger Cosmic Ray Observatory reveals no statistically significant excess of events in any small solid angle that would be indicative of a flux of neutral particles from a discrete source. The search covers from -90° to +15° in declination using four different energy ranges above 1 EeV (1018 eV). The method used in this search is more sensitive to neutrons than to photons. The upper limit on a neutron flux is derived for a dense grid of directions for each of the four energy ranges. These results constrain scenarios for the production of ultrahigh energy cosmic rays in the Galaxy. © 2012. The American Astronomical Society. All rights reserved.. |
| Keywords: | cosmic rays Galaxy: disk methods: data analysis |
| Description: | Extent: 11p. |
| Rights: | © 2012. The American Astronomical Society |
| DOI: | 10.1088/0004-637X/760/2/148 |
| Grant ID: | ARC RCPTM-CZ.1.05/2.1.00/03.0058 |
| Published version: | http://dx.doi.org/10.1088/0004-637x/760/2/148 |
| Appears in Collections: | Aurora harvest 4 IPAS publications |
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