Artículo
Multitudinario:470 "Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory" (2011) Astroparticle Physics. 34(8):627-639
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Abstract:
We present the results of searches for dipolar-type anisotropies in different energy ranges above 2.5 × 10 17 eV with the surface detector array of the Pierre Auger Observatory, reporting on both the phase and the amplitude measurements of the first harmonic modulation in the right-ascension distribution. Upper limits on the amplitudes are obtained, which provide the most stringent bounds at present, being below 2% at 99% C.L. for EeV energies. We also compare our results to those of previous experiments as well as with some theoretical expectations. © 2011 Published by Elsevier B.V.
Registro:
| Documento: | Artículo |
| Título: | Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory |
| Autor: | Multitudinario:470 |
| Filiación: | Centro Atómico Bariloche and Instituto Balseiro (CNEA- UNCuyo-CONICET), San Carlos de Bariloche, Argentina Centro Atómico Constituyentes, Buenos Aires, Argentina Centro de Investigaciones en Láseres y Aplicaciones, CITEFA, CONICET, Argentina Departamento de Física, FCEyN, Universidad de Buenos Aires y CONICET, Argentina IFLP, Universidad Nacional de la Plata and CONICET, La Plata, Argentina Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Buenos Aires, Argentina National Technological University, Faculty Mendoza (CONICET/CNEA), Mendoza, Argentina Pierre Auger Southern Observatory, Malargüe, Argentina Pierre Auger Southern Observatory and Comisión Nacional de Energía Atómica, Malargüe, Argentina University of Adelaide, Adelaide, SA, Australia Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro RJ, Brazil Pontifícia Universidade Católica, Rio de Janeiro RJ, Brazil Universidade de São Paulo, Instituto de Física, São Carlos, SP, Brazil Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil Universidade Estadual de Feira de Santana, Brazil Universidade Estadual Do Sudoeste da Bahia, Vitoria da Conquista BA, Brazil Universidade Federal da Bahia, Salvador BA, Brazil Universidade Federal Do ABC, Santo André SP, Brazil Universidade Federal Do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil Universidade Federal Fluminense, Instituto de Fisica, Niterói, RJ, Brazil Rudjer Bošković Institute, 10000 Zagreb, Croatia Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic Institute of Physics of the Academy of Sciences of the Czech Republic, Prague, Czech Republic Palacky University, RCATM, Olomouc, Czech Republic Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris 11, CNRS-IN2P3, Orsay, France Laboratoire AstroParticule et Cosmologie (APC), Université Paris 7, CNRS-IN2P3, Paris, 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 Joseph Fourier, CNRS-IN2P3, Grenoble, France SUBATECH, CNRS-IN2P3, Nantes, France Bergische Universität Wuppertal, Wuppertal, 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 Karlsruhe Institute of Technology, Campus South, Institut für Experimentelle Kernphysik (IEKP), 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 Dipartimento di Fisica dell'Universit and INFN, Genova, Italy Universit dell'Aquila and INFN, L'Aquila, Italy Universit di Milano and Sezione INFN, Milan, Italy Dipartimento di Fisica dell'Universit Del Salento and Sezione INFN, Lecce, Italy Universit di Napoli Federico II, Sezione INFN, Napoli, Italy Universit di Roma II Tor Vergata, Sezione INFN, Roma, Italy Universit di Catania, Sezione INFN, Catania, Italy Universit di Torino and Sezione INFN, Torino, Italy Dipartimento di Ingegneria dell'Innovazione dell'Universit Del Salento and Sezione, INFN, Lecce, Italy Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy Istituto di Fisica Dello Spazio Interplanetario (INAF), Universit di Torino and Sezione INFN, Torino, Italy INFN, Laboratori Nazionali Del Gran Sasso, Assergi (L'Aquila), Italy Universit di Palermo, Sezione INFN, Catania, Italy Benemérita Universidad Autónoma de Puebla, Puebla, Mexico Centro de Investigación y de Estudios Avanzados Del IPN (CINVESTAV), México D.F., Mexico Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Michoacan, Mexico Universidad Nacional Autonoma de Mexico, Mexico D.F., Mexico IMAPP, Radboud University, Nijmegen, Netherlands Kernfysisch Versneller Instituut, University of Groningen, Groningen, Netherlands NIKHEF, Amsterdam, Netherlands ASTRON, Dwingeloo, Netherlands Institute of Nuclear Physics PAN, Krakow, Poland University of Łódź, Łódź, Poland LIP, Instituto Superior Técnico, Lisboa, Portugal J. Stefan Institute, Ljubljana, Slovenia Laboratory for Astroparticle Physics, University of Nova Gorica, Slovenia Instituto de Física Corpuscular, CSIC, Universitat de Valncia, Valencia, Spain Universidad Complutense de Madrid, Madrid, Spain Universidad de Alcalá, Alcalá de Henares, Madrid, Spain Universidad de Granada, C.A.F.P.E., Granada, Spain Universidad de Santiago de Compostela, Spain Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, United Kingdom School of Physics and Astronomy, University of Leeds, United Kingdom Argonne National Laboratory, Argonne, IL, United States 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 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 Southern University, Baton Rouge, LA, United States University of Chicago, Enrico Fermi Institute, Chicago, IL, United States University of Nebraska, Lincoln, NE, United States University of New Mexico, Albuquerque, NM, United States University of Wisconsin, Madison, WI, United States University of Wisconsin, Milwaukee, WI, United States Institute for Nuclear Science and Technology (INST), Hanoi, Viet Nam |
| Palabras clave: | Large scale anisotropies; Pierre Auger Observatory; Ultra-high energy cosmic rays; Anisotropy; Augers; Cosmology; Modulation; Observatories; Amplitude measurements; Energy ranges; First harmonic; Large scale anisotropy; Pierre Auger observatory; Right ascensions; Surface detectors; Ultra high-energy cosmic rays; Cosmic rays |
| Año: | 2011 |
| Volumen: | 34 |
| Número: | 8 |
| Página de inicio: | 627 |
| Página de fin: | 639 |
| DOI: | http://dx.doi.org/10.1016/j.astropartphys.2010.12.007 |
| Título revista: | Astroparticle Physics |
| Título revista abreviado: | Astropart. Phys. |
| ISSN: | 09276505 |
| CODEN: | APHYE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v34_n8_p627_Multitudinario |
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Citas:
---------- APA ----------
(2011) . Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory. Astroparticle Physics, 34(8), 627-639.http://dx.doi.org/10.1016/j.astropartphys.2010.12.007
---------- CHICAGO ----------
Multitudinario:470. "Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory" . Astroparticle Physics 34, no. 8 (2011) : 627-639.http://dx.doi.org/10.1016/j.astropartphys.2010.12.007
---------- MLA ----------
Multitudinario:470. "Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory" . Astroparticle Physics, vol. 34, no. 8, 2011, pp. 627-639.http://dx.doi.org/10.1016/j.astropartphys.2010.12.007
---------- VANCOUVER ----------
Multitudinario:470. Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory. Astropart. Phys. 2011;34(8):627-639.http://dx.doi.org/10.1016/j.astropartphys.2010.12.007
