Artículo
Multitudinario:501 "The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory" (2011) Journal of Cosmology and Astroparticle Physics. 2011(11)
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Abstract:
We present a comprehensive study of the influence of the geomagnetic field on the energy estimation of extensive air showers with a zenith angle smaller than 60°, detected at the Pierre Auger Observatory. The geomagnetic field induces an azimuthal modulation of the estimated energy of cosmic rays up to the ∼ 2% level at large zenith angles. We present a method to account for this modulation of the reconstructed energy. We analyse the effect of the modulation on large scale anisotropy searches in the arrival direction distributions of cosmic rays. At a given energy, the geomagnetic effect is shown to induce a pseudo-dipolar pattern at the percent level in the declination distribution that needs to be accounted for. © 2011 IOP Publishing Ltd and SISSA.
Registro:
| Documento: | Artículo |
| Título: | The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory |
| Autor: | Multitudinario:501 |
| Filiación: | Centro Atómico Bariloche and Institute Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina Centra Atómico Constituyentes, Comisión Nacional de Energia Atómica, CONICET/UTrFRBA, Buenos Aires, Argentina Centra de Investigaciones en Láseres y Aplicaciones, CITEFA, CONICET, Argentina Departamento de Fisica, FCEyN, Universidad de Buenos Aires y CONICET, Argentina IFLP, Universidad Nacional de la Plata and CONICET, La Plata, Argentina Instituto de Astronomia y Fisica Del Espacio (CONICET- UBA), Buenos Aires, Argentina Instituto de Fisica de Rosario (IFIR), CONICET/U.N.R., Facultad de Ciencias Bioquimicas y Farmacéuticas U.N.R., Rosario, Argentina National Technological University, Faculty Mendoza (CONICET/CNEA), Mendoza, Argentina Observatorio Pierre Auger, Malargüe, Argentina Observatorio Pierre Auger, Comisión Nacional de Energia Atómica, Malargüe, Argentina University of Adelaide, Adelaide, S.A., Australia Centra Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil Pontificia Universidade Católica, Rio de Janeiro, RJ, Brazil Universidade de São Paulo, Instituto de Fisica, São Carlos, SP, Brazil Universidade de São Paulo, Instituto de Fisica, 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 Fisica, Rio de Janeiro, RJ, Brazil Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil Rudjer Boskovic 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, École des Mines de Nantes, Université de Nantes, 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'Università and INFN, Genova, Italy Università dell'Aquila and INFN, L'Aquila, Italy Università di Milano and Sezione INFN, Milan, Italy Dipartimento di Fisica dell'Università Del Salento and Sezione INFN, Lecce, Italy Università di Napoli Federico II, Sezione INFN, Napoli, Italy Università di Roma II Tor Vergata, Sezione INFN, Roma, Italy Università di Catania, Sezione INFN, Catania, Italy Università di Torino, Sezione INFN, Torino, Italy Dipartimento di Ingegneria dell'Innovazione, Università Del Salento, Sezione INFN, Lecce, Italy Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy Istituto di Fisica Dello Spazio Interplanetario (INAF), Università di Torino and Sezione INFN, Torino, Italy INFN, Laboratori Nazionali Del Gran Sasso, Assergi (L'Aquila), Italy Università di Palermo, Sezione INFN, Catania, Italy Benemérita Universidad Autónoma de Puebla, Puebla, Mexico Centro de Investigación y de Estudios Avanzados Del IPN (CINVESTAV), Mexico, 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, Science Park, Amsterdam, Netherlands ASTRON, Dwingeloo, Netherlands Institute of Nuclear Physics PAN, Krakow, Poland University of Lodz, Lodz, Poland LIP, Instituto Superior Técnico, Technical University of Lisbon, Portugal J. Stefan Institute, Ljubljana, Slovenia Laboratory for Astroparticle Physics, University of Nova Gorica, Slovenia Instituto de Fisica Corpuscular, CSIC-Universitat de Valencia, Valencia, Spain 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, 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 Konan University, Kobe, Japan University of Maryland, United States |
| Palabras clave: | cosmic ray experiments; cosmic rays detectors; ultra high energy cosmic rays |
| Año: | 2011 |
| Volumen: | 2011 |
| Número: | 11 |
| DOI: | http://dx.doi.org/10.1088/1475-7516/2011/11/022 |
| Título revista: | Journal of Cosmology and Astroparticle Physics |
| Título revista abreviado: | J. Cosmol. Astroparticle Phys. |
| ISSN: | 14757516 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14757516_v2011_n11_p_Multitudinario |
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Citas:
---------- APA ----------
(2011) . The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory. Journal of Cosmology and Astroparticle Physics, 2011(11).http://dx.doi.org/10.1088/1475-7516/2011/11/022
---------- CHICAGO ----------
Multitudinario:501. "The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory" . Journal of Cosmology and Astroparticle Physics 2011, no. 11 (2011).http://dx.doi.org/10.1088/1475-7516/2011/11/022
---------- MLA ----------
Multitudinario:501. "The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory" . Journal of Cosmology and Astroparticle Physics, vol. 2011, no. 11, 2011.http://dx.doi.org/10.1088/1475-7516/2011/11/022
---------- VANCOUVER ----------
Multitudinario:501. The effect of the geomagnetic field on cosmic ray energy estimates and large scale anisotropy searches on data from the Pierre Auger Observatory. J. Cosmol. Astroparticle Phys. 2011;2011(11).http://dx.doi.org/10.1088/1475-7516/2011/11/022
