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Abstract:

A thorough search for large-scale anisotropies in the distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory is presented. This search is performed as a function of both declination and right ascension in several energy ranges above 10 18 eV, and reported in terms of dipolar and quadrupolar coefficients. Within the systematic uncertainties, no significant deviation from isotropy is revealed. Assuming that any cosmic-ray anisotropy is dominated by dipole and quadrupole moments in this energy range, upper limits on their amplitudes are derived. These upper limits allow us to test the origin of cosmic rays above 10 18 eV from stationary Galactic sources densely distributed in the Galactic disk and predominantly emitting light particles in all directions. © 2012. The American Astronomical Society. All rights reserved..

Registro:

Documento: Artículo
Título:Large-scale distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory
Autor:Multitudinario:513
Filiación:Universidad Autonoma de Chiapas, Mexico
LIP, Instituto Superior Técnico, Technical University of Lisbon, Portugal
Istituto di Fisica Dello Spazio Interplanetario (INAF), Università di Torino, Sezione INFN, Torino, Italy
University of Wisconsin, Madison, WI, United States
Fermilab, Batavia, IL, United States
Instituto de Física, Universidade de São Paulo, São Paulo, SP, Brazil
Laboratoire AstroParticule et Cosmologie (APC), Université Paris 7, CNRS-IN2P3, Paris, France
Centro Atómico Bariloche, Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
New York University, New York, NY, United States
Ohio State University, Columbus, OH, United States
Facultad Regional Buenos Aires, Universidad Tecnológica Nacional, Buenos Aires, Argentina
Instituto de Tecnologías en Detección y Astropartí culas (CNEA, CONICET, UNSAM, Buenos Aires, Argentina
Universidad Nacional Autonoma de Mexico, D. F. Mexico, Mexico
Universidad de Santiago de Compostela, Spain
IFGW, Universidade Estadual de Campinas, SP, Campinas, Brazil
Università di Napoli Federico II, Sezione INFN, Napoli, Italy
IMAPP, Radboud University, Nijmegen, Netherlands
University of Wisconsin, Milwaukee, WI, United States
Rudjer Boškovi'c Institute, 10000 Zagreb, Croatia
IFLP, Universidad Nacional de la Plata, CONICET, La Plata, Argentina
Universidad Complutense de Madrid, Madrid, Spain
Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France
Karlsruhe Institute of Technology-Campus, South-Institut für Experimentelle Kernphysik (IEKP), Karlsruhe, Germany
Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier Grenoble, CNRS-IN2P3, Grenoble INP, France
Observatorio Pierre Auger and Comisión Nacional Lde Energía Atómica, Malargüe, Argentina
University Politehnica of Bucharest, Romania
Karlsruhe Institute of Technology-Campus, North-Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
University of Adelaide, Adelaide, SA, Australia
Centro Brasileiro de Pesquisas Fisicas, RJ Rio de Janeiro, Brazil
Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris 11, CNRS-IN2P3, France
Universidade Estadual Do Sudoeste da Bahia, Vitoria da Conquista, BA, Brazil
Karlsruhe Institute of Technology-Campus, North-Institut für Kernphysik, Karlsruhe, Germany
Bergische Universität Wuppertal, Wuppertal, Germany
SUBATECH, École des Mines de Nantes, Université de Nantes, France
Max-Planck-Institut für Radioastronomie, Bonn, Germany
Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
Università di Roma II Tor Vergata, Sezione INFN, Rome, Italy
Instituto de Física, Universidade Federal Do Rio de Janeiro, RJ, Rio de Janeiro, Brazil
Institute of Nuclear Physics PAN, Krakow, Poland
Colorado State University, Fort Collins, CO, United States
Horia Hulubei National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
Colorado State University, Pueblo, CO, United States
School of Physics and Astronomy, University of Leeds, United Kingdom
Universität Siegen, Siegen, Germany
Universidad de Granada, C. A.F. P.E., Granada, Spain
Case Western Reserve University, Cleveland, OH, United States
Pennsylvania State University, University Park, PA, United States
Università di Milano, Sezione INFN, Milan, Italy
Università di Catania, Sezione INFN, Catania, Italy
Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
Dipartimento di Matematica e Fisica E. de Giorgi, Università Del Salento, Sezione INFN, Lecce, Italy
Università di Torino, Sezione INFN, Torino, Italy
Michigan Technological University, Houghton, MI, United States
Observatorio Pierre Auger, Malargüe, Argentina
Nikhef, Science Park, Amsterdam, Netherlands
Enrico Fermi Institute, University of Chicago, Chicago, IL, United States
Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Buenos Aires, Argentina
Departamento de Física, FCEyN, Universidad de Buenos Aires y CONICET, Argentina
Universidade Federal Fluminense, EEIMVR, RJ, Volta Redonda, Brazil
Faculty Mendoza (CONICET/CNEA), National Technological University, Mendoza, Argentina
Instituto de Física, Universidade de São Paulo, São Carlos, SP, Brazil
Kernfysisch Versneller Instituut, University of Groningen, Groningen, Netherlands
Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris 11, CNRS-IN2P3, Orsay, France
Università dell'Aquila, INFN, L'Aquila, Italy
Institute for Nuclear Science and Technology (INST), Hanoi, Viet Nam
III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
ASTRON, Dwingeloo, Netherlands
J. Stefan Institute, Ljubljana, Slovenia
Laboratory for Astroparticle Physics, University of Nova Gorica, Slovenia
Dipartimento di Fisica dell'Università, INFN, Genova, Italy
University of Łódź, Łódź, Poland
University of New Mexico, Albuquerque, NM, United States
INFN, Laboratori Nazionali Del Gran Sasso, Assergi (L'Aquila), Italy
Universidade Estadual de Feira de Santana, Brazil
RCPTM, Palacky University, Olomouc, Czech Republic
Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Charles University, Prague, Czech Republic
Louisiana State University, Baton Rouge, LA, United States
Universität Hamburg, Hamburg, Germany
Universidade Federal Do ABC, SP Santo André, Brazil
Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
Universidad Michoacana de San Nicolas de Hidalgo, Michoacan, Morelia, Mexico
Centro de Investigación y de Estudios Avanzados Del IPN (CINVESTAV), México, Mexico
Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, United Kingdom
University of Hawaii, Honolulu, HI, United States
Instituto de Física de Rosario (IFIR)-CONICET, U. N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U. N.R., Rosario, Argentina
Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Argentina
Instituto de Física Corpuscular, CSIC-Universitat de València, Valencia, Spain
Northeastern University, Boston, MA, United States
Universidade Federal da Bahia, BA Salvador, Brazil
University of Nebraska, Lincoln, NE, United States
Colorado School of Mines, Golden, CO, United States
Physics Department, University of Bucharest, Bucharest, Romania
Argonne National Laboratory, Argonne, IL, United States
Los Alamos National Laboratory, Los Alamos, NM, United States
NYU Abu Dhabi, United Arab Emirates
University of Maryland, United States
Université de Lausanne, Switzerland
Konan University, Kobe, Japan
Palabras clave:astroparticle physics; cosmic rays
Año:2012
Volumen:203
Número:2
DOI: http://dx.doi.org/10.1088/0067-0049/203/2/34
Título revista:Astrophysical Journal, Supplement Series
Título revista abreviado:Astrophys. J. Suppl. Ser.
ISSN:00670049
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00670049_v203_n2_p_Multitudinario

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Citas:

---------- APA ----------
(2012) . Large-scale distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory. Astrophysical Journal, Supplement Series, 203(2).
http://dx.doi.org/10.1088/0067-0049/203/2/34
---------- CHICAGO ----------
Multitudinario:513. "Large-scale distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory" . Astrophysical Journal, Supplement Series 203, no. 2 (2012).
http://dx.doi.org/10.1088/0067-0049/203/2/34
---------- MLA ----------
Multitudinario:513. "Large-scale distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory" . Astrophysical Journal, Supplement Series, vol. 203, no. 2, 2012.
http://dx.doi.org/10.1088/0067-0049/203/2/34
---------- VANCOUVER ----------
Multitudinario:513. Large-scale distribution of arrival directions of cosmic rays detected above 10 18 eV at the Pierre Auger Observatory. Astrophys. J. Suppl. Ser. 2012;203(2).
http://dx.doi.org/10.1088/0067-0049/203/2/34