<script type="text/javascript">
<!--
document.write('<div id="oa_widget"></div>');
document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=undefined&type=result"></script>');
-->
</script>

COPY SCRIPT

For further information contact us at helpdesk@openaire.eu

Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 01 Mar 2011Embargo end date: 01 Jan 2011 Italy, Italy, Italy, Croatia, Italy, Spain, Netherlands, Netherlands, Netherlands, Australia, Italy, Croatia, Italy, France, United Kingdom, Germany, Italy, Croatia, Spain, Australia, Netherlands, Italy, Croatia Publisher:Elsevier BVJournal:Astroparticle Physics, volume 34, pages 627-639 (issn: 0927-6505,

Authors: J. Abraham; P. Abreu; M. Aglietta; C. Aguirre; E. J. Ahn; D. Allard; I. Allekotte; +193 Authors

J. Abraham; P. Abreu; M. Aglietta; C. Aguirre; E. J. Ahn; D. Allard; I. Allekotte; J. Allen; P. Allison; J. Alvarez Muniz; M. Ambrosio; L. Anchordoqui; S. Andringa; A. Anzalone; C. Aramo; E. Arganda; S. Argir; K. Arisaka; F. Arneodo; F. Arqueros; T. Asch; H. Asorey; P. Assis; J. Aublin; M. Ave; G. Avila; A. Bacher; T. Backer; D. Badagnani; K. B. Barber; A. F. Barbosa; H. J. M. Barbosa; N. Barenthien; S. L. C. Barroso; B. Baughman; P. Bauleo; J. J. Beatty; T. Beau; B. R. Becker; K. H. Becker; A. Belletoile; J. A. Bellido; S. BenZvi; C. Berat; X. Bertou; P. L. Biermann; P. Billoir; O. Blanch Bigas; F. Blanco; C. Bleve; H. Blumer; M. Bohacova; E. Bollmann; H. Bolz; C. Bonifazi; R. Bonino; N. Borodai; F. Bracci; J. Brack; P. Brogueira; W. C. Brown; R. Bruijn; P. Buchholz; A. Bueno; R. E. Burton; N. G. Busca; K. S. Caballero Mora; D. Camin; L. Caramete; R. Caruso; W. Carvalho; A. Castellina; J. Castro; O. Catalano; G. Cataldi; L. Cazon; R. Cester; J. Chauvin; A. Chiavassa; J. A. Chinellato; A. Chou; J. Chudoba; J. Chye; P. D. J. Clark; R. W. Clay; E. Colombo; COLUCCIA, MARIA RITA; R. Conceicao; B. Connolly; F. Contreras; J. Coppens; A. Cordero; A. Cordier; U. Cotti; S. Coutu; C. E. Covault; A. Creusot; A. Criss; J. W. Cronin; J. Cuautle; A. Curutiu; S. Dagoret Campagne; R. Dallier; F. Daudo; K. Daumiller; B. R. Dawson; R. M. de Almeida; M. De Domenico; C. De Donato; S. J. de Jong; G. De La Vega; W. J. M. de Mello Junior; J. R. T. de Mello Neto; DE MITRI, Ivan; V. de Souza; K. D. de Vries; G. Decerprit; L. del Peral; O. Deligny; A. Della Selva; C. Delle Fratte; H. Dembinski; C. Di Giulio; J. C. Diaz; P. N. Diep; C. Dobrigkeit; J. C. D’Olivo; P. N. Dong; D. Dornic; A. Dorofeev; J. C. dos Anjos; M. T. Dova; D. D’Urso; I. Dutan; M. A. Du Vernois; R. Engel; M. Erdmann; C. O. Escobar; A. Etchegoyen; P. Facal San Luis; H. Falcke; G. Farrar; A. C. Fauth; N. Fazzini; F. Ferrer; A. Ferrero; B. Fick; A. Filevich; A. Filipcic; I. Fleck; S. Fliescher; R. Fonte; C. E. Fracchiolla; E. D. Fraenkel; W. Fulgione; R. F. Gama rra; S. Gambetta; B. Garcıa; D. Garcıa Gamez; D. Garcia Pinto; X. Garrido; H. Geenen; G. Gelmini; H. Gemmekeai; P. L. Ghia; U. Giaccari; K. Gibbs; M. Giller; J. Gitto; H. Glass; L. M. Goggin; M. S. Gold; G. Golup; F. Gomez Albarracin; M. Gomez Berisso; P. F. Gomez Vitale; P. Goncalves; M. Goncalves do Amaral; D. Gonzalez; J. G. Gonzalez; D. Gora; A. Gorgi; P. Gouffon; E. Grashorn; V. Grassi; S. Grebe; M. Grigat; A. F. Grillo; J. Grygar; Y. Guardincerri; N. Guardone; C. Guerard; F. Guarino; R. Gumbsheimer; G. P. Guedes; J. Gutierrez; J. D. Hague; V. Halenka; P. Hansen; D. Harari;

Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory

- Summary
- Subjects

Abstract

We present the results of searches for dipolar-type anisotropies in different energy ranges above $2.5\times 10^{17}$ 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.

28 pages, 11 figures

Countries

Italy, Italy, Italy, Croatia, Italy, Spain, Netherlands, Netherlands, Netherlands, Australia, Italy, Croatia, Italy, France, United Kingdom, Germany, Italy, Croatia, Spain, Australia, Netherlands, Italy, Croatia

Related Organizations

View all View all

Keywords

[SDU.ASTR.HE] Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Astronomy, [PHYS.ASTR.HE] Physics/Astrophysics/High Energy Astrophysical Phenomena, ultra-high energy cosmic rays, [SDU.ASTR.HE] Sciences of the Universe/Astrophysics/High Energy Astrophysical Phenomena, ASTR:CO] Sciences of the Universe/Astrophysics/Cosmology and Extra-Galactic Astrophysics [[SDU], ultra-high energy cosmic rays; large scale anisotropies; Pierre Auger Observatory, info:eu-repo/classification/ddc/530, ASTR:CO] Physique/Astrophysique/Cosmologie et astrophysique extra-galactique [[PHYS], Ultra-High Energy Cosmic Rays, ultra-high energy cosmic rays ; large scale anisotropies ; Pierre Auger Observatory, astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), Ultra High Energy Cosmic Rays., ORIGIN, [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Physics, ddc:530, Large Scale Anisotropies, Pierre Auger Observatory, ENERGY-SPECTRUM, Cosmic Rays, ASTR:CO] Physics/Astrophysics/Cosmology and Extra-Galactic Astrophysics [[PHYS], Física nuclear, Astrophysics - High Energy Astrophysical Phenomena, [PHYS.ASTR.CO] Physics/Astrophysics/Cosmology and Extra-Galactic Astrophysics, [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Auger Experiment, 539.1, [SDU.ASTR.CO] Sciences of the Universe/Astrophysics/Cosmology and Extra-Galactic Astrophysics, FOS: Physical sciences, anisotropy, SURFACE DETECTOR, 530, Cosmic Rays; anisotropy; Auger Experiment, Large scale anisotropies, ANISOTROPY, Origin., large scale anisotropies, Surface detector, Array, [ PHYS.ASTR.HE ] Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Física, 2207 Física Atómica y Nuclear, Ultra-high energy cosmic rays, Ultra-high energy cosmic rays; Large scale anisotropies; Pierre Auger Observatory, ASTR:CO] Planète et Univers/Astrophysique/Cosmologie et astrophysique extra-galactique [[SDU], Experimental High Energy Physics, Anisotropy, ARRAY, Energy spectrum, [ SDU.ASTR.HE ] Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], [PHYS.ASTR.HE] Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]