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Correlation of the highest-energy cosmic rays with nearby extragalactic objects

Articolo
Data di Pubblicazione:
2007
Abstract:
Using data collected at the Pierre Auger Observatory during the past 3.7 years, we demonstrated a correlation between the arrival directions of cosmic rays with energy above 6 x 10(19) electron volts and the positions of active galactic nuclei (AGN) lying within similar to 75 megaparsecs. We rejected the hypothesis of an isotropic distribution of these cosmic rays with at least a 99% confidence level from a prescribed a priori test. The correlation we observed is compatible with the hypothesis that the highest-energy particles originate from nearby extragalactic sources whose flux has not been substantially reduced by interaction with the cosmic background radiation. AGN or objects having a similar spatial distribution are possible sources.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
J. Abraham;P. Abreu;M. Aglietta;C. Aguirre;D. Allard;I. Allekotte;J. Allen;P. Allison;C. Alvarez;J. Alvarez-Muniz;M. Ambrosio;L. Anchordoqui;S. Andringa;A. Anzalone;C. Aramo;S. Argiro;K. Arisaka;E. Armengaud;F. Arneodo;F. Arqueros;T. Asch;H. Asorey;P. Assis;B. S. Atulugama;J. Aublin;M. Ave;G. Avila;T. Backer;D. Badagnani;A. F. Barbosa;D. Barnhill;S. L. C. Barroso;P. Bauleo;J. Beatty;T. Beau;B. R. Becker;K. H. Becker;J. A. Bellido;S. BenZvi;C. Berat;T. Bergmann;P. Bernardini;X. Bertou;P. L. Biermann;P. Billoir;O. Blanch-Bigas;F. Blanco;P. Blasi;C. Bleve;H. Blumer;M. Bohacova;C. Bonifazi;R. Bonino;M. Boratav;J. Brack;P. Brogueira;W. C. Brown;P. Buchholz;A. Bueno;N. G. Busca;K. S. Caballero-Mora;B. Cai;D. V. Camin;R. Caruso;W. Carvalho;A. Castellina;O. Catalano;G. Cataldi;L. Cazon-Boado;R. Cester;J. Chauvin;A. Chiavassa;J. A. Chinellato;A. Chou;J. Chye;P. D. J. Clark;R. W. Clay;E. Colombo;R. Conceicao;B. Connolly;F. Contreras;J. Coppens;A. Cordier;U. Cotti;S. Coutu;C. E. Covault;A. Creusot;J. Cronin;S. Dagoret-Campagne;K. Daumiller;B. R. Dawson;R. M. de Almeida;C. D. Donato;S. J. de Jong;G. D. la Vega;J. M. de Mello;J. R. T. de Mello;I. D. Mitri;V. d. Souza;L. d. Peral;O. Deligny;A. D. Selva;C. D. Fratte;H. Dembinski;C. D. Giulio;J. C. Diaz;C. Dobrigkeit;J. C. D'Olivo;D. Dornic;A. Dorofeev;J. C. dos Anjos;M. T. Dova;D. D'Urso;M. A. DuVernois;R. Engel;L. Epele;M. Erdmann;C. O. Escobar;A. Etchegoyen;P. F. San Luis;H. Falcke;G. Farrar;A. C. Fauth;N. Fazzini;A. Fernandez;G. Farrar;A. C. Fauth;N. Fazzini;A. Fernandez;F. Ferrer;S. Ferry;B. Fick;A. Filevich;A. Filipcic;I. Fleck;R. Fonte;C. E. Fracchiolla;W. Fulgione;B. Garcia;D. G. Gamez;D. Garcia-Pinto;X. Garrido;H. Geenen;G. Gelmini;H. Gemmeke;P. L. Ghia;M. Giller;H. Glass;M. S. Gold;G. Golup;F. G. Albarracin;M. G. Berisso;R. G. Herrero;P. Goncalves;M. G. do Amaral;D. Gonzalez;J. G. Gonzalez;M. Gonzalez;D. Gora;A. Gorgi;P. Gouffon;V. Grassi;A. Grillo;C. Grunfeld;Y. Guardincerri;F. Guarino;G. P. Guedes;J. Gutierrez;J. D. Hague;J. C. Hamilton;P. Hansen;D. Harari;S. Harmsma;J. L. Harton;A. Haungs;T. Hauschildt;M. D. Healy;T. Hebbeker;D. Heck;C. Hojvat;V. C. Holmes;P. Homola;J. Horandel;A. Horneffer;M. Horvat;M. Hrabovsky;T. Huege;M. Iarlori;A. Insolia;F. Ionita;A. Italiano;M. Kaducak;K. H. Kampert;B. Keilhauer;E. Kemp;R. M. Kieckhafer;H. O. Klages;M. Kleifges;J. Kleinfeller;R. Knapik;J. Knapp;D. H. Koang;A. Kopmann;A. Krieger;D. Kromer;D. Kumpel;N. Kunka;A. Kusenko;G. L. Rosa;C. Lachaud;B. L. Lago;D. Lebrun;P. LeBrun;J. Lee;M. A. Leigui de Oliveira;A. Letessier-Selvon;M. Leuthold;I. Lhenry-Yvon;R. Lopez;A. L. Aguera;J. L. Bahilo;M. C. Maccarone;C. Macolino;S. Maldera;M. Malek;G. Mancarella;M. E. Mancenido;D. Mandat;P. Mantsch;A. G. Mariazzi;I. C. Maris;D. Martello;J. Martinez;O. M. Bravo;H. J. Mathes;G. Matthiae;D. Maurizio;P. O. Mazur;T. McCauley;M. McEwen;R. R. McNeil;M. C. Medina;G. Medina-Tanco;A. Meli;D. Melo;E. Menichetti;A. Menschikov;C. Meurer;R. Meyhandan;M. I. Micheletti;G. Miele;W. Miller;S. Mollerach;M. Monasor;D. M. Ragaigne;F. Montanet;B. Morales;C. Morello;E. Moreno;J. C. Moreno;C. Morris;M. Mostafa;M. A. Muller;R. Mussa;G. Navarra;J. L. Navarro;S. Navas;L. Nellen;C. Newman-Holmes;D. Newton;T. N. Thi;N. Nierstenhofer;D. Nitz;D. Nosek;L. Nozka;J. Oehlschlager;T. Ohnuki;A. Olinto;V. M. Olmos-Gilbaja;M. Ortiz;S. Ostapchenko;L. Otero;D. P. Selmi-Dei;M. Palatka;J. Pallotta;G. Parente;E. Parizot;S. Parlati;S. Pastor;M. Patel;T. Paul;V. Pavlidou;K. Payet;M. Pech;J. Pekala;R. Pelayo;I. M. Pepe;L. Perrone;S. Petrera;P. Petrinca;Y. Petrov;D. P. Ngoc;D. P. Ngoc;T. N. P. Thi;A. Pichel;R. Piegaia;T. Pierog;M. Pimenta;T. Pinto;V. Pirronello;O. Pisanti;M. Platino;J. Pochon;T. A.
Autori di Ateneo:
ARGIRO' Stefano
BONINO Raffaella
CHIAVASSA Andrea
Link alla scheda completa:
https://iris.unito.it/handle/2318/67462
Pubblicato in:
SCIENCE
Journal
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