Some possible sources of IceCube TeV–PeV neutrino events
The IceCube Collaboration has observed 37 neutrino events in the energy range 30 TeV ≤ E ν ≤ 2 PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCub...
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description | The IceCube Collaboration has observed 37 neutrino events in the energy range
30
TeV
≤
E
ν
≤
2
PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCube events, the latter being in the error circle of the highest energy event so far observed by IceCube. Two of the above blazars are simultaneously within the error circles of the Telescope Array hotspot and one IceCube event. We found that the blazar H2356-309 is within the error circles of three IceCube events. We propose that photohadronic interactions of the Fermi accelerated high energy protons with the synchrotron/SSC background photons in the nuclear region of these high energy blazars and AGN are probably responsible for some of the observed IceCube events. |
doi_str_mv | 10.1140/epjc/s10052-015-3519-1 |
format | Article |
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30
TeV
≤
E
ν
≤
2
PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCube events, the latter being in the error circle of the highest energy event so far observed by IceCube. Two of the above blazars are simultaneously within the error circles of the Telescope Array hotspot and one IceCube event. We found that the blazar H2356-309 is within the error circles of three IceCube events. We propose that photohadronic interactions of the Fermi accelerated high energy protons with the synchrotron/SSC background photons in the nuclear region of these high energy blazars and AGN are probably responsible for some of the observed IceCube events.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-015-3519-1</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Astronomy ; Astrophysics and Cosmology ; Elementary Particles ; Hadrons ; Heavy Ions ; Letter ; Measurement Science and Instrumentation ; Nuclear Energy ; Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; String Theory</subject><ispartof>The European physical journal. C, Particles and fields, 2015-06, Vol.75 (6), p.1, Article 273</ispartof><rights>The Author(s) 2015</rights><rights>COPYRIGHT 2015 Springer</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c452t-17b998d456f2fce152c658a51be7e2fc9bdabbbb51a555eb6ea1caa9ff3b87c83</citedby><cites>FETCH-LOGICAL-c452t-17b998d456f2fce152c658a51be7e2fc9bdabbbb51a555eb6ea1caa9ff3b87c83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epjc/s10052-015-3519-1$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1140/epjc/s10052-015-3519-1$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,27903,27904,41099,41467,42168,42536,51297,51554</link.rule.ids></links><search><creatorcontrib>Sahu, Sarira</creatorcontrib><creatorcontrib>Miranda, Luis Salvador</creatorcontrib><title>Some possible sources of IceCube TeV–PeV neutrino events</title><title>The European physical journal. C, Particles and fields</title><addtitle>Eur. Phys. J. C</addtitle><description>The IceCube Collaboration has observed 37 neutrino events in the energy range
30
TeV
≤
E
ν
≤
2
PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCube events, the latter being in the error circle of the highest energy event so far observed by IceCube. Two of the above blazars are simultaneously within the error circles of the Telescope Array hotspot and one IceCube event. We found that the blazar H2356-309 is within the error circles of three IceCube events. 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30
TeV
≤
E
ν
≤
2
PeV and the sources of these neutrinos are unknown. Here we show that the positions of 12 high energy blazars and the position of the FR-I galaxy Centaurus A coincide within the error circles of ten IceCube events, the latter being in the error circle of the highest energy event so far observed by IceCube. Two of the above blazars are simultaneously within the error circles of the Telescope Array hotspot and one IceCube event. We found that the blazar H2356-309 is within the error circles of three IceCube events. We propose that photohadronic interactions of the Fermi accelerated high energy protons with the synchrotron/SSC background photons in the nuclear region of these high energy blazars and AGN are probably responsible for some of the observed IceCube events.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjc/s10052-015-3519-1</doi><oa>free_for_read</oa></addata></record> |
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subjects | Astronomy Astrophysics and Cosmology Elementary Particles Hadrons Heavy Ions Letter Measurement Science and Instrumentation Nuclear Energy Nuclear Physics Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory String Theory |
title | Some possible sources of IceCube TeV–PeV neutrino events |
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