Correlating Fermi gamma-ray sources with ultra-high-energy cosmic rays

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dc.contributor.authorMirabal, N.
dc.contributor.authorOya, I.
dc.date.accessioned2020-09-04T16:08:27Z
dc.date.available2020-09-04T16:08:27Z
dc.date.issued2010-06-01
dc.description.abstractThe origin of ultra-high-energy cosmic rays (UHECRs) is one of the enduring mysteries of high-energy astrophysics. To investigate this, we cross-correlate the recently released Fermi Large Area Telescope First Source Catalog (1FGL) with the public sample of UHECRs made available by the Pierre Auger collaboration. Of the 27 UHECRs in the sample, we find 12 events that arrived within 3.1° of Fermi sources. However, we find similar or larger number of matches in 63 out of 100 artificial UHECR samples constructed using positions randomly drawn from the BATSE 4B catalogue of gamma-ray bursts (GRBs) collected from 1991 until 1996. Based on our analysis, we find no evidence that UHECRs are associated with Fermi sources. We conclude with some remarks about the astrophysical origin of cosmic rays.en_US
dc.description.sponsorshipWe thank all the members of Grupo de Altas Energías (GAE) at the Universidad Complutense de Madrid for stimulating conversations during our daily morning coffee. We also thank the anonymous referee for useful suggestions. NM also acknowledges support from the Spanish Ministry of Science and Innovation through a Ramón y Cajal fellowship.en_US
dc.description.urihttps://academic.oup.com/mnrasl/article/405/1/L99/1069826en_US
dc.format.extent4 pagesen_US
dc.genrejournal articles preprintsen_US
dc.identifierdoi:10.13016/m2mjsc-ndye
dc.identifier.citationN. Mirabal, I. Oya, Correlating Fermi gamma-ray sources with ultra-high-energy cosmic rays, Monthly Notices of the Royal Astronomical Society: Letters, Volume 405, Issue 1, June 2010, Pages L99–L101, https://doi.org/10.1111/j.1745-3933.2010.00868.xen_US
dc.identifier.urihttps://doi.org/10.1111/j.1745-3933.2010.00868.x
dc.identifier.urihttp://hdl.handle.net/11603/19587
dc.language.isoen_USen_US
dc.publisherOxford University Pressen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Physics Department Collection
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology (JCET)
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsThis article has been accepted for publication in Monthly Notices of the Royal Astronomical Society: Letters Published by Oxford University Press on behalf of the Royal Astronomical Society.
dc.titleCorrelating Fermi gamma-ray sources with ultra-high-energy cosmic raysen_US
dc.typeTexten_US

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