Search for sources of high-energy neutrons with four years of data from the IceTop detector
IceTop is an air-shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic-ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field...
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Online Access: | http://hdl.handle.net/2440/106105 https://doi.org/10.3847/0004-637X/830/2/129 |
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ftunivadelaidedl:oai:digital.library.adelaide.edu.au:2440/106105 2023-12-24T10:11:09+01:00 Search for sources of high-energy neutrons with four years of data from the IceTop detector Aartsen, M.G. Abraham, K. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Archinger, M. Argüelles, C. Auffenberg, J. Axani, S. Bai, X. Barwick, S.W. Baum, V. Bay, R. 2016 http://hdl.handle.net/2440/106105 https://doi.org/10.3847/0004-637X/830/2/129 en eng IOP Publishing ARC The Astrophysical Journal: an international review of astronomy and astronomical physics, 2016; 830(2):1-12 0004-637X 1538-4357 http://hdl.handle.net/2440/106105 doi:10.3847/0004-637X/830/2/129 © 2016. The American Astronomical Society. All rights reserved. http://dx.doi.org/10.3847/0004-637x/830/2/129 Astroparticle physics cosmic rays methods: data analysis Journal article 2016 ftunivadelaidedl https://doi.org/10.3847/0004-637X/830/2/12910.3847/0004-637x/830/2/129 2023-11-27T23:17:31Z IceTop is an air-shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic-ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field and can typically travel 10 (E/PeV) pc before decay. Two searches are performed using 4 yr of the IceTop data set to look for a statistically significant excess of events with energies above 10 PeV (10¹⁶ eV) arriving within a small solid angle. The all-sky search method covers from −90° to approximately −50° in declination. No significant excess is found. A targeted search is also performed, looking for significant correlation with candidate sources in different target sets. This search uses a higher-energy cut (100 PeV) since most target objects lie beyond 1 kpc. The target sets include pulsars with confirmed TeV energy photon fluxes and high-mass X-ray binaries. No significant correlation is found for any target set. Flux upper limits are determined for both searches, which can constrain Galactic neutron sources and production scenarios. M.G. Aartsen … S. Robertson … A. Wallace … B.J. Whelan … [et al.] (The ICECUBE Collaboration) Article in Journal/Newspaper Antarc* Antarctic Ice Sheet South pole South pole The University of Adelaide: Digital Library Antarctic The Antarctic South Pole The Astrophysical Journal 830 2 129 |
institution |
Open Polar |
collection |
The University of Adelaide: Digital Library |
op_collection_id |
ftunivadelaidedl |
language |
English |
topic |
Astroparticle physics cosmic rays methods: data analysis |
spellingShingle |
Astroparticle physics cosmic rays methods: data analysis Aartsen, M.G. Abraham, K. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Archinger, M. Argüelles, C. Auffenberg, J. Axani, S. Bai, X. Barwick, S.W. Baum, V. Bay, R. Search for sources of high-energy neutrons with four years of data from the IceTop detector |
topic_facet |
Astroparticle physics cosmic rays methods: data analysis |
description |
IceTop is an air-shower array located on the Antarctic ice sheet at the geographic South Pole. IceTop can detect an astrophysical flux of neutrons from Galactic sources as an excess of cosmic-ray air showers arriving from the source direction. Neutrons are undeflected by the Galactic magnetic field and can typically travel 10 (E/PeV) pc before decay. Two searches are performed using 4 yr of the IceTop data set to look for a statistically significant excess of events with energies above 10 PeV (10¹⁶ eV) arriving within a small solid angle. The all-sky search method covers from −90° to approximately −50° in declination. No significant excess is found. A targeted search is also performed, looking for significant correlation with candidate sources in different target sets. This search uses a higher-energy cut (100 PeV) since most target objects lie beyond 1 kpc. The target sets include pulsars with confirmed TeV energy photon fluxes and high-mass X-ray binaries. No significant correlation is found for any target set. Flux upper limits are determined for both searches, which can constrain Galactic neutron sources and production scenarios. M.G. Aartsen … S. Robertson … A. Wallace … B.J. Whelan … [et al.] (The ICECUBE Collaboration) |
format |
Article in Journal/Newspaper |
author |
Aartsen, M.G. Abraham, K. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Archinger, M. Argüelles, C. Auffenberg, J. Axani, S. Bai, X. Barwick, S.W. Baum, V. Bay, R. |
author_facet |
Aartsen, M.G. Abraham, K. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Archinger, M. Argüelles, C. Auffenberg, J. Axani, S. Bai, X. Barwick, S.W. Baum, V. Bay, R. |
author_sort |
Aartsen, M.G. |
title |
Search for sources of high-energy neutrons with four years of data from the IceTop detector |
title_short |
Search for sources of high-energy neutrons with four years of data from the IceTop detector |
title_full |
Search for sources of high-energy neutrons with four years of data from the IceTop detector |
title_fullStr |
Search for sources of high-energy neutrons with four years of data from the IceTop detector |
title_full_unstemmed |
Search for sources of high-energy neutrons with four years of data from the IceTop detector |
title_sort |
search for sources of high-energy neutrons with four years of data from the icetop detector |
publisher |
IOP Publishing |
publishDate |
2016 |
url |
http://hdl.handle.net/2440/106105 https://doi.org/10.3847/0004-637X/830/2/129 |
geographic |
Antarctic The Antarctic South Pole |
geographic_facet |
Antarctic The Antarctic South Pole |
genre |
Antarc* Antarctic Ice Sheet South pole South pole |
genre_facet |
Antarc* Antarctic Ice Sheet South pole South pole |
op_source |
http://dx.doi.org/10.3847/0004-637x/830/2/129 |
op_relation |
ARC The Astrophysical Journal: an international review of astronomy and astronomical physics, 2016; 830(2):1-12 0004-637X 1538-4357 http://hdl.handle.net/2440/106105 doi:10.3847/0004-637X/830/2/129 |
op_rights |
© 2016. The American Astronomical Society. All rights reserved. |
op_doi |
https://doi.org/10.3847/0004-637X/830/2/12910.3847/0004-637x/830/2/129 |
container_title |
The Astrophysical Journal |
container_volume |
830 |
container_issue |
2 |
container_start_page |
129 |
_version_ |
1786161196483739648 |