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...
Published in: | The Astrophysical Journal |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Univ.11032
2016
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Online Access: | https://bib-pubdb1.desy.de/record/316261 https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2016-06455%22 |
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ftdesyvdb:oai:bib-pubdb1.desy.de:316261 2023-05-15T13:36:14+02:00 Search for Sources of High-Energy Neutrons with Four Years of Data from the IceTop Detector Aartsen, M. G. Abraham, K. Ansseau, I. Grant, D. Griffith, Z. Haack, C. Ismail, A. Haj Hallgren, A. Halzen, F. Hansen, E. Hansmann, B. Hansmann, T. Hanson, K. Anton, G. Hebecker, D. Heereman, D. Helbing, K. Hellauer, R. Hickford, S. Hignight, J. Hill, G. C. Hoffman, K. D. Hoffmann, R. Holzapfel, K. Archinger, M. Hoshina, K. Huang, F. Huber, M. Hultqvist, K. In, S. Ishihara, A. Jacobi, E. Japaridze, G. S. Jeong, M. Jero, K. Argüelles, C. Jones, B. J. P. Jurkovic, M. Kappes, A. Karg, T. Karle, A. Katz, U. Kauer, M. Keivani, A. Kelley, J. L. Kemp, J. Auffenberg, J. Kheirandish, A. Kim, M. Kintscher, T. DE 2016 https://bib-pubdb1.desy.de/record/316261 https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2016-06455%22 eng eng Univ.11032 info:eu-repo/semantics/altIdentifier/doi/10.3204/PUBDB-2016-06455 info:eu-repo/semantics/altIdentifier/doi/10.3847/0004-637X/830/2/129 info:eu-repo/semantics/altIdentifier/issn/1538-4357 info:eu-repo/semantics/altIdentifier/arxiv/arXiv:1607.05614 info:eu-repo/semantics/altIdentifier/wos/WOS:000400471300001 info:eu-repo/semantics/altIdentifier/issn/0004-637x https://bib-pubdb1.desy.de/record/316261 https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2016-06455%22 info:eu-repo/semantics/openAccess The astrophysical journal / 1 830(2), 129 (2016). doi:10.3847/0004-637X/830/2/129 info:eu-repo/classification/ddc/520 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2016 ftdesyvdb https://doi.org/10.3847/0004-637X/830/2/129 https://doi.org/10.3204/PUBDB-2016-06455 2022-06-30T20:14:59Z 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 (10$^{16}$ 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. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet South pole South pole DESY Publication Database (PUBDB) Antarctic The Antarctic South Pole The Astrophysical Journal 830 2 129 |
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Open Polar |
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DESY Publication Database (PUBDB) |
op_collection_id |
ftdesyvdb |
language |
English |
topic |
info:eu-repo/classification/ddc/520 |
spellingShingle |
info:eu-repo/classification/ddc/520 Aartsen, M. G. Abraham, K. Ansseau, I. Grant, D. Griffith, Z. Haack, C. Ismail, A. Haj Hallgren, A. Halzen, F. Hansen, E. Hansmann, B. Hansmann, T. Hanson, K. Anton, G. Hebecker, D. Heereman, D. Helbing, K. Hellauer, R. Hickford, S. Hignight, J. Hill, G. C. Hoffman, K. D. Hoffmann, R. Holzapfel, K. Archinger, M. Hoshina, K. Huang, F. Huber, M. Hultqvist, K. In, S. Ishihara, A. Jacobi, E. Japaridze, G. S. Jeong, M. Jero, K. Argüelles, C. Jones, B. J. P. Jurkovic, M. Kappes, A. Karg, T. Karle, A. Katz, U. Kauer, M. Keivani, A. Kelley, J. L. Kemp, J. Auffenberg, J. Kheirandish, A. Kim, M. Kintscher, T. Search for Sources of High-Energy Neutrons with Four Years of Data from the IceTop Detector |
topic_facet |
info:eu-repo/classification/ddc/520 |
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 (10$^{16}$ 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. |
format |
Article in Journal/Newspaper |
author |
Aartsen, M. G. Abraham, K. Ansseau, I. Grant, D. Griffith, Z. Haack, C. Ismail, A. Haj Hallgren, A. Halzen, F. Hansen, E. Hansmann, B. Hansmann, T. Hanson, K. Anton, G. Hebecker, D. Heereman, D. Helbing, K. Hellauer, R. Hickford, S. Hignight, J. Hill, G. C. Hoffman, K. D. Hoffmann, R. Holzapfel, K. Archinger, M. Hoshina, K. Huang, F. Huber, M. Hultqvist, K. In, S. Ishihara, A. Jacobi, E. Japaridze, G. S. Jeong, M. Jero, K. Argüelles, C. Jones, B. J. P. Jurkovic, M. Kappes, A. Karg, T. Karle, A. Katz, U. Kauer, M. Keivani, A. Kelley, J. L. Kemp, J. Auffenberg, J. Kheirandish, A. Kim, M. Kintscher, T. |
author_facet |
Aartsen, M. G. Abraham, K. Ansseau, I. Grant, D. Griffith, Z. Haack, C. Ismail, A. Haj Hallgren, A. Halzen, F. Hansen, E. Hansmann, B. Hansmann, T. Hanson, K. Anton, G. Hebecker, D. Heereman, D. Helbing, K. Hellauer, R. Hickford, S. Hignight, J. Hill, G. C. Hoffman, K. D. Hoffmann, R. Holzapfel, K. Archinger, M. Hoshina, K. Huang, F. Huber, M. Hultqvist, K. In, S. Ishihara, A. Jacobi, E. Japaridze, G. S. Jeong, M. Jero, K. Argüelles, C. Jones, B. J. P. Jurkovic, M. Kappes, A. Karg, T. Karle, A. Katz, U. Kauer, M. Keivani, A. Kelley, J. L. Kemp, J. Auffenberg, J. Kheirandish, A. Kim, M. Kintscher, T. |
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 |
Univ.11032 |
publishDate |
2016 |
url |
https://bib-pubdb1.desy.de/record/316261 https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2016-06455%22 |
op_coverage |
DE |
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 |
The astrophysical journal / 1 830(2), 129 (2016). doi:10.3847/0004-637X/830/2/129 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3204/PUBDB-2016-06455 info:eu-repo/semantics/altIdentifier/doi/10.3847/0004-637X/830/2/129 info:eu-repo/semantics/altIdentifier/issn/1538-4357 info:eu-repo/semantics/altIdentifier/arxiv/arXiv:1607.05614 info:eu-repo/semantics/altIdentifier/wos/WOS:000400471300001 info:eu-repo/semantics/altIdentifier/issn/0004-637x https://bib-pubdb1.desy.de/record/316261 https://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2016-06455%22 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3847/0004-637X/830/2/129 https://doi.org/10.3204/PUBDB-2016-06455 |
container_title |
The Astrophysical Journal |
container_volume |
830 |
container_issue |
2 |
container_start_page |
129 |
_version_ |
1766075894166716416 |