Medium scale clustering of ultrahigh energy cosmic ray arrival directions
International audience The two-point autocorrelation function of ultra-high energy cosmic ray (UHECR) arrival directions has a broad maximum around 25 degrees, combining the data with energies above $4\times 10^{19}$ eV (in the HiRes energy scale) of the HiRes stereo, AGASA, Yakutsk and SUGAR experi...
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fthalin2p3:oai:HAL:in2p3-00365787v1 2024-05-19T07:49:56+00:00 Medium scale clustering of ultrahigh energy cosmic ray arrival directions Kachelriess, M. Semikoz, D.V. APC - THEORIE AstroParticule et Cosmologie (APC (UMR_7164)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut für theoretische Physik Universität Hamburg (UHH)-Universität Hamburg (UHH) Rogelio Caballero Juan Carlos D'Olivo Gustavo Medina-Tanco Lukas Nellen Federico A. Sánchez José F. Valdés-Galicia Merida, Mexico 2007-07-03 https://hal.in2p3.fr/in2p3-00365787 en eng HAL CCSD Universidad Nacional Autonoma De Mexico in2p3-00365787 https://hal.in2p3.fr/in2p3-00365787 Proceedings of the 30th International Cosmic Ray Conference 30th International Cosmic Ray Conference - ICRC'07 https://hal.in2p3.fr/in2p3-00365787 30th International Cosmic Ray Conference - ICRC'07, Jul 2007, Merida, Mexico. pp.495-498 [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] info:eu-repo/semantics/conferenceObject Conference papers 2007 fthalin2p3 2024-04-23T23:57:24Z International audience The two-point autocorrelation function of ultra-high energy cosmic ray (UHECR) arrival directions has a broad maximum around 25 degrees, combining the data with energies above $4\times 10^{19}$ eV (in the HiRes energy scale) of the HiRes stereo, AGASA, Yakutsk and SUGAR experiments. This signal is not or only marginally present analyzing events of a single experiment, but becomes significant when data from several experiments are added. Both the energy dependence of the signal and its angular scale might be interpreted as first signatures of the large-scale structure of UHECR sources and of intervening magnetic fields. Conference Object Yakutsk HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules) |
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HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules) |
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fthalin2p3 |
language |
English |
topic |
[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] |
spellingShingle |
[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] Kachelriess, M. Semikoz, D.V. Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
topic_facet |
[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] |
description |
International audience The two-point autocorrelation function of ultra-high energy cosmic ray (UHECR) arrival directions has a broad maximum around 25 degrees, combining the data with energies above $4\times 10^{19}$ eV (in the HiRes energy scale) of the HiRes stereo, AGASA, Yakutsk and SUGAR experiments. This signal is not or only marginally present analyzing events of a single experiment, but becomes significant when data from several experiments are added. Both the energy dependence of the signal and its angular scale might be interpreted as first signatures of the large-scale structure of UHECR sources and of intervening magnetic fields. |
author2 |
APC - THEORIE AstroParticule et Cosmologie (APC (UMR_7164)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut für theoretische Physik Universität Hamburg (UHH)-Universität Hamburg (UHH) Rogelio Caballero Juan Carlos D'Olivo Gustavo Medina-Tanco Lukas Nellen Federico A. Sánchez José F. Valdés-Galicia |
format |
Conference Object |
author |
Kachelriess, M. Semikoz, D.V. |
author_facet |
Kachelriess, M. Semikoz, D.V. |
author_sort |
Kachelriess, M. |
title |
Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
title_short |
Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
title_full |
Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
title_fullStr |
Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
title_full_unstemmed |
Medium scale clustering of ultrahigh energy cosmic ray arrival directions |
title_sort |
medium scale clustering of ultrahigh energy cosmic ray arrival directions |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.in2p3.fr/in2p3-00365787 |
op_coverage |
Merida, Mexico |
genre |
Yakutsk |
genre_facet |
Yakutsk |
op_source |
Proceedings of the 30th International Cosmic Ray Conference 30th International Cosmic Ray Conference - ICRC'07 https://hal.in2p3.fr/in2p3-00365787 30th International Cosmic Ray Conference - ICRC'07, Jul 2007, Merida, Mexico. pp.495-498 |
op_relation |
in2p3-00365787 https://hal.in2p3.fr/in2p3-00365787 |
_version_ |
1799468522839998464 |