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Abstract:

Energy-dependent patterns in the arrival directions of cosmic rays are searched for using data of the Pierre Auger Observatory. We investigate local regions around the highest-energy cosmic rays with E ≥ 6×1019 eV by analyzing cosmic rays with energies above E ≥ 5×1018 eV arriving within an angular separation of approximately 15∘. We characterize the energy distributions inside these regions by two independent methods, one searching for angular dependence of energy-energy correlations and one searching for collimation of energy along the local system of principal axes of the energy distribution. No significant patterns are found with this analysis. The comparison of these measurements with astrophysical scenarios can therefore be used to obtain constraints on related model parameters such as strength of cosmic-ray deflection and density of point sources. © 2015, The Author(s).

Registro:

Documento: Artículo
Título:Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory
Autor:Multitudinario:487
Filiación:Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Buenos Aires, Argentina
Departamento de Física, FCEyN Universidad de Buenos Aires y CONICET, Buenos Aires, Argentina
IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
Instituto de Astronomía y Física del Espacio (CONICET-UBA), Buenos Aires, Argentina
Instituto de Física de Rosario (IFIR), CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM) and National Technological University, Faculty Mendoza (CONICET/CNEA), Mendoza, Argentina
Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
Observatorio Pierre Auger, Malargüe, Argentina
Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
Universidad Tecnológica Nacional - Facultad Regional Buenos Aires, Buenos Aires, Argentina
University of Adelaide, Adelaide, SA, Australia
Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil
Faculdade Independente do Nordeste, Vitória da Conquista, Brazil
Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brazil
Instituto de Física, Universidade de São Paulo, São Paulo, SP, Brazil
Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
Universidade Federal da Bahia, Salvador, BA, Brazil
Universidade Federal de Pelotas, Pelotas, RS, Brazil
Universidade Federal do ABC, Santo André, SP, Brazil
Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil
Rudjer Bošković Institute, Zagreb, 10000, Croatia
Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Charles University, Prague, Czech Republic
Institute of Physics of the Academy of Sciences of the Czech Republic, Prague, Czech Republic
Palacky University, RCPTM, Olomouc, Czech Republic
Institut de Physique Nucléaire d’Orsay (IPNO), Université Paris 11, CNRS-IN2P3, Orsay, France
Laboratoire de l’Accélérateur Linéaire (LAL), Université Paris 11, CNRS-IN2P3, Orsay, France
Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France
Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France
Station de Radioastronomie de Nançay, Observatoire de Paris, CNRS/INSU, Nançay, France
SUBATECH, École des Mines de Nantes, CNRS-IN2P3, Université de Nantes, Nantes, France
Bergische Universität Wuppertal, Wuppertal, Germany
Karlsruhe Institute of Technology - Campus South - Institut für Experimentelle, Kernphysik (IEKP), Karlsruhe, Germany
Karlsruhe Institute of Technology - Campus North - Institut für Kernphysik, Karlsruhe, Germany
Karlsruhe Institute of Technology - Campus North - Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
Max-Planck-Institut für Radioastronomie, Bonn, Germany
RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
Universität Hamburg, Hamburg, Germany
Universität Siegen, Siegen, Germany
Università di Milano and Sezione INFN, Milan, Italy
Università di Napoli “Federico II” and Sezione INFN, Napoli, Italy
Università di Roma II “Tor Vergata” and Sezione INFN, Roma, Italy
Università di Catania and Sezione INFN, Catania, Italy
Università di Torino and Sezione INFN, Torino, Italy
Dipartimento di Matematica e Fisica “E. De Giorgi” dell’Università del Salento and Sezione INFN, Lecce, Italy
Dipartimento di Scienze Fisiche e Chimiche dell’Università dell’Aquila and INFN, L’Aquila, Italy
Gran Sasso Science Institute (INFN), L’Aquila, Italy
Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
INFN, Laboratori Nazionali del Gran Sasso, Assergi, L’Aquila, Italy
Osservatorio Astrofisico di Torino (INAF), Università di Torino and Sezione INFN, Torino, Italy
Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Mexico, Mexico
Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Michoacan, Mexico
Universidad Nacional Autonoma de Mexico, Mexico, D.F., Mexico
IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
KVI - Center for Advanced Radiation Technology, University of Groningen, Groningen, Netherlands
Nikhef, Science Park, Amsterdam, Netherlands
ASTRON, Dwingeloo, Netherlands
Institute of Nuclear Physics PAN, Krakow, Poland
University of Łódź, Łódź, Poland
Laboratório de Instrumentação e Física Experimental de Partículas - LIP and Instituto Superior Técnico - IST, Universidade de Lisboa - UL, Lisbon, Portugal
’Horia Hulubei’ National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
Institute of Space Sciences, Bucharest-Magurele, Romania
Physics Department, University of Bucharest, Bucharest, Romania
University Politehnica of Bucharest, Bucharest, Romania
Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
Laboratory for Astroparticle Physics, University of Nova Gorica, Nova Gorica, Slovenia
Universidad Complutense de Madrid, Madrid, Spain
Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
Universidad de Granada and C.A.F.P.E., Granada, Spain
Universidad de Santiago de Compostela, Santiago de Compostela, Spain
School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom
Case Western Reserve University, Cleveland, OH, United States
Colorado School of Mines, Golden, CO, United States
Colorado State University, Fort Collins, CO, United States
Colorado State University, Pueblo, CO, United States
Department of Physics and Astronomy, City University of New York, New York, United States
Fermilab, Batavia, IL, United States
Louisiana State University, Baton Rouge, LA, United States
Michigan Technological University, Houghton, MI, United States
New York University, New York, NY, United States
Northeastern University, Boston, MA, United States
Ohio State University, Columbus, OH, United States
Pennsylvania State University, University Park, PA, United States
Enrico Fermi Institute, University of Chicago, Chicago, IL, United States
University of Hawaii, Honolulu, HI, United States
University of Nebraska, Lincoln, NE, United States
University of New Mexico, Albuquerque, NM, United States
Konan University, Japan
Universidad Autonoma de Chiapas, Mexico
NYU Abu Dhabi, United States
Unidad Profesional Interdisciplinaria de Ingeniería y Tecnologías Avanzadas del IPN, México, D.F., Mexico
Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, Mexico
Año:2015
Volumen:75
Número:6
DOI: http://dx.doi.org/10.1140/epjc/s10052-015-3471-0
Título revista:European Physical Journal C
Título revista abreviado:Eur. Phys. J. C
ISSN:14346044
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346044_v75_n6_p_Multitudinario

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Citas:

---------- APA ----------
(2015) . Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory. European Physical Journal C, 75(6).
http://dx.doi.org/10.1140/epjc/s10052-015-3471-0
---------- CHICAGO ----------
Multitudinario:487. "Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory" . European Physical Journal C 75, no. 6 (2015).
http://dx.doi.org/10.1140/epjc/s10052-015-3471-0
---------- MLA ----------
Multitudinario:487. "Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory" . European Physical Journal C, vol. 75, no. 6, 2015.
http://dx.doi.org/10.1140/epjc/s10052-015-3471-0
---------- VANCOUVER ----------
Multitudinario:487. Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory. Eur. Phys. J. C. 2015;75(6).
http://dx.doi.org/10.1140/epjc/s10052-015-3471-0