An upper limit to the photon fraction in cosmic rays above 10 19 eV from the Pierre Auger Observatory
An upper limit of 16% (at 95% c.l.) is derived for the photon fraction in cosmic rays with energies greater than 10 19 eV, based on observations of the depth of shower maximum performed with the hybrid detector of the Pierre Auger Observatory. This is the first such limit on photons obtained by obse...
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Elsevier
2007
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
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| LEADER | 18852caa a22020777a 4500 | ||
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| 003 | AR-BaUEN | ||
| 005 | 20230518205421.0 | ||
| 008 | 190411s2007 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-33846527080 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a APHYE | ||
| 100 | 1 | |a Abraham, J. | |
| 245 | 1 | 3 | |a An upper limit to the photon fraction in cosmic rays above 10 19 eV from the Pierre Auger Observatory |
| 260 | |b Elsevier |c 2007 | ||
| 270 | 1 | 0 | |m Risse, M.; Institute of Nuclear Physics PAN, Radzikowskiego 52, 31- 342 Cracow, Poland; email: markus.risse@ik.fzk.de |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a An upper limit of 16% (at 95% c.l.) is derived for the photon fraction in cosmic rays with energies greater than 10 19 eV, based on observations of the depth of shower maximum performed with the hybrid detector of the Pierre Auger Observatory. This is the first such limit on photons obtained by observing the fluorescence light profile of air showers. This upper limit confirms and improves on previous results from the Haverah Park and AGASA surface arrays. Additional data recorded with the Auger surface detectors for a subset of the event sample support the conclusion that a photon origin of the observed events is not favored. © 2006 Elsevier B.V. All rights reserved. |l eng | |
| 536 | |a Detalles de la financiación: Conseil régional de Bourgogne-Franche-Comté | ||
| 536 | |a Detalles de la financiación: Centre National de la Recherche Scientifique | ||
| 536 | |a Detalles de la financiación: Ministry of Education of the Republic of Belarus, LN00A006, LA134 | ||
| 536 | |a Detalles de la financiación: National Natural Science Foundation of China | ||
| 536 | |a Detalles de la financiación: Ministerio de Educación y Cultura, FPA2003-08733-C02, 2004-01198 | ||
| 536 | |a Detalles de la financiación: Instituto Nazionale di Fisica Nucleare | ||
| 536 | |a Detalles de la financiación: Xunta de Galicia | ||
| 536 | |a Detalles de la financiación: Scientific Committee on Antarctic Research, 2P03B 11024, 2PO3D 01124, 1P03D 01430 | ||
| 536 | |a Detalles de la financiación: Consejo Nacional de Ciencia y Tecnología | ||
| 536 | |a Detalles de la financiación: Institut National des Sciences Appliquées de Lyon | ||
| 536 | |a Detalles de la financiación: Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro | ||
| 536 | |a Detalles de la financiación: Javna Agencija za Raziskovalno Dejavnost RS, ARRS | ||
| 536 | |a Detalles de la financiación: Australian Research Council | ||
| 536 | |a Detalles de la financiación: United Nations Educational, Scientific and Cultural Organization | ||
| 536 | |a Detalles de la financiación: Comisión Nacional de Energía Atómica, Gobierno de Argentina, CNEA | ||
| 536 | |a Detalles de la financiación: Fundação de Amparo à Pesquisa do Estado de São Paulo | ||
| 536 | |a Detalles de la financiación: Institut National de Physique Nucléaire et de Physique des Particules | ||
| 536 | |a Detalles de la financiación: We are very grateful to the following agencies and organisations for financial support: Gobierno de Mendoza, Comisión Nacional de Energia Atómica y Municipalidad de Malargüe, Argentina; the Australian Research Council; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, Conselho Nacional de Desenvolvimento Cientifico e Tecnologico and Fundacao de Amparo a Pesquisa do Estado de Rio de Janeiro, Brasil; National Science Foundation of China; Ministry of Education of the Czech Republic (projects LA134 and LN00A006); Centre National de la Recherche Scientifique, Institut National de Physique Nucléaire et Physique des Particules (IN2P3/CNRS), Institut National des Sciences de l’Univers (INSU/CNRS) et Conseil Régional Ile de France, France; German Ministry for Education and Research and Forschungszentrum Karlsruhe, Germany; Istituto Nazionale di Fisica Nucleare, Italy; Consejo Nacional de Ciencia y Tecnologia, Mexico; the Polish State Committee for Scientific Research (grant numbers 1P03D 01430, 2P03B 11024 and 2PO3D 01124), Poland; Slovenian Research Agency; Ministerio de Educación y Ciencia (FPA2003-08733-C02, 2004-01198), Xunta de Galicia (2003 PXIC20612PN, 2005 PXIC20604PN) and Feder Funds, Spain; Particle Physics and Astronomy Research Council, UK; the US Department of Energy, the US National Science Foundation, USA, and UNESCO. Partial support of ALFA-EC funds, in the framework of the HELEN Project, is gratefully acknowledged. Appendix A | ||
| 593 | |a Centro Atómico Bariloche (CNEA), Instituto Balseiro (CNEA and UNCuyo), CONICET, 8400 San Carlos de Bariloche, RN, Argentina | ||
| 593 | |a Instituto de Astronomía y Física del Espacio, CONICET, CC 67, Suc. 28, (1428) Buenos Aires, Argentina | ||
| 593 | |a Laboratorio Tandar (CNEA), CONICET, Univ. Tec. Nac. (Reg. Buenos Aires), Av. Gral. Paz 1499, 1650 San Martín, Buenos Aires, Argentina | ||
| 593 | |a Pierre Auger Southern Observatory, Av. San Martin Norte 304, (5613) Malargue, Prov. De Mendoza, Argentina | ||
| 593 | |a Universidad Nacional de la Plata, Facultad de Ciencias Exactas, Departamento de Física, C.C. 67, (1900) La Plata, Argentina | ||
| 593 | |a Universidad Tecnológica Nacional, Regionales Mendoza y San Rafael, CONICET, 273 Mendoza, Argentina | ||
| 593 | |a University of Adelaide, Department of Physics, Adelaide, SA 5005, Australia | ||
| 593 | |a Universidad Catolica de Bolivia, Av. 16 Julio 1732, La Paz, Bolivia | ||
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| 593 | |a Universidade de São Paulo, Instituto Astronomico e Geofisico, Rua do Matao 1226, 05508-900 Sao Paulo, SP, Brazil | ||
| 593 | |a Universidade Estadual de Campinas, Gleb Wataghin Physics Institute (IFGW), Departamento de Raios Cosmicos e Cronologia, CP 6165, 13083-970 Campinas, SP, Brazil | ||
| 593 | |a Univ. Estadual de Feira de Santana, Departamento de Fisica, Campus Universitario, BR 116, KM 03, 44031-460 Feira de Santana, Brazil | ||
| 593 | |a Universidade Estadual do Sudoeste da Bahia (UESB), Dep. Ciências Exatas, Estrada do Bem, -Querer km4, 45083-900 Vitoria da Conquista, BA, Brazil | ||
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| 593 | |a Univ. Federal Fluminense, Inst. de Fisica, Campus da Praia Vermelha, 24210-340 Niterói, RJ, Brazil | ||
| 593 | |a Charles University, Institute of Particle and Nuclear Physics, Faculty of Mathematics and Physics, V Holesovickach 2, CZ-18000 Prague 8, Czech Republic | ||
| 593 | |a Institute of Physics, the Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-182 21 Praha 8, Czech Republic | ||
| 593 | |a Institut de Physique Nucléaire, Université Paris-Sud 11 and IN2P3, CNRS, 15, rue Georges Clemenceau, 91400 Orsay, France | ||
| 593 | |a Laboratoire AstroParticule et Cosmologie, Université Paris VII, 11, Place Marcelin Berthelot, F-75231 Paris Cedex 05, France | ||
| 593 | |a Laboratoire de l'Accélérateur Linéaire, Université Paris-Sud 11 and IN2P3, CNRS, BP 34, Batiment 200, F-91898 Orsay Cedex, France | ||
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| 593 | |a Bergische Universität Wuppertal, Fachbereich C - Physik, GaußStr. 20, D-42097 Wuppertal, Germany | ||
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| 593 | |a Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany | ||
| 593 | |a RWTH Aachen, III. Physikalisches Institut A, Physikzentrum, Huyskensweg, D-52056 Aachen, Germany | ||
| 593 | |a Universität Karlsruhe (TH), Institut für Experimentelle Kernphysik (IEKP), Postfach 6980, D-76128 Karlsruhe, Germany | ||
| 593 | |a Universität Siegen, Fachbereich 7 Physik - Experimentelle Teilchenphysik, Emmy Noether-Campus, Walter-Flex-Str. 3, D-57068 Siegen, Germany | ||
| 593 | |a Physics Department, School of Applied Sciences, National Technical University of Athens, Zografou, 15780, Greece | ||
| 593 | |a Physics Department, Nuclear and Particle Physics Section, University of Athens, Ilissia, 15771, Greece | ||
| 593 | |a Dipartimento di Fisica dell'Università de l'Aquila, INFN, Via Vetoio, I-67010 Coppito, Aquila, Italy | ||
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| 593 | |a Universidad Michoacana de San Nicolas de Hidalgo (UMSNH), Edificio C-3 Cd Universitaria, C.P. 58040 Morelia, Michoacan, Mexico | ||
| 593 | |a Universidad Nacional Autonoma de Mexico (UNAM), Apdo. Postal 20-364, 01000 Mexico, D.F., Mexico | ||
| 593 | |a Department of Astrophysics, IMAPP, Radboud University, 6500 GL Nijmegen, Netherlands | ||
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| 593 | |a University of Łódź, Pomorska 149/153, 90 236 Łódz, Poland | ||
| 593 | |a University of Nova Gorica, Laboratory for Astroparticle Physics, Vipavska 13, POB 301, SI-5000 Nova Gorica, Slovenia | ||
| 593 | |a Departamento de Fisica Atomica, Molecular y Nuclear, Facultad de Ciencias Fisicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain | ||
| 593 | |a Space Plasmas and Astroparticle Group, Universidad de Alcalá, Pza. San Diego, s/n, 28801 Alcala de Henares, Madrid, Spain | ||
| 593 | |a Departamento de Física de Partículas, Universidad, Campus Sur, E-15782 Santiago de Compostela, Spain | ||
| 593 | |a Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford, OX1 3NP, United Kingdom | ||
| 593 | |a Institute of Integrated Information Systems, School of Electronic Engineering, University of Leeds, Leeds, LS2 9JT, United Kingdom | ||
| 593 | |a School of Physics and Astronomy, University of Leeds, Leeds, LS2 9JT, United Kingdom | ||
| 593 | |a Case Western Reserve University, Department of Physics, Cleveland, OH 44106, United States | ||
| 593 | |a Colorado State University, Department of Physics, Fort Collins, CO 80523, United States | ||
| 593 | |a Columbia University, Department of Physics, New York, NY 10027, United States | ||
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| 593 | |a Louisiana State University, Department of Physics and Astronomy, Baton Rouge, LA 70803-4001, United States | ||
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| 593 | |a University of New Mexico, Department of Physics and Astronomy, 800 Yale, Albuquerque, NM 87131, United States | ||
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| 593 | |a University of Wisconsin-Milwaukee, Department of Physics, Milwaukee, WI 53201, United States | ||
| 593 | |a Institute for Nuclear Science and Technology (INST), 5T-, 160 Hoang Quoc Viet Street, Nghia Do, Cau Giay, Hanoi, Viet Nam | ||
| 690 | 1 | 0 | |a COSMIC RAYS |
| 690 | 1 | 0 | |a EXTENSIVE AIR SHOWERS |
| 690 | 1 | 0 | |a PIERRE AUGER OBSERVATORY |
| 690 | 1 | 0 | |a ULTRA-HIGH ENERGY PHOTONS |
| 690 | 1 | 0 | |a AUGER ELECTRON SPECTROSCOPY |
| 690 | 1 | 0 | |a FLUORESCENCE |
| 690 | 1 | 0 | |a PHOTONS |
| 690 | 1 | 0 | |a EXTENSIVE AIR SHOWERS |
| 690 | 1 | 0 | |a PIERRE AUGER OBSERVATORY |
| 690 | 1 | 0 | |a ULTRA HIGH ENERGY PHOTONS |
| 690 | 1 | 0 | |a COSMIC RAYS |
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