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

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dc.contributor.authorBarber, K.
dc.contributor.authorBellido Caceres, J.
dc.contributor.authorClay, R.
dc.contributor.authorCooper, M.
dc.contributor.authorDawson, B.
dc.contributor.authorHerve, A.
dc.contributor.authorHolmes, V.
dc.contributor.authorSorokin, J.
dc.contributor.authorWahrlich, P.
dc.contributor.authorWhelan, B.
dc.contributor.authorWinnick, M.
dc.date.issued2011
dc.description.abstractWe present the results of searches for dipolar-type anisotropies in different energy ranges above 2.5 × 10<sup>17</sup> 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.
dc.description.statementofresponsibilityP. Abreu... K.B. Barber... J.A. Bellido Caceres... R.W. Clay... M.J. Cooper... B.R. Dawson... A.E. Herve... V.C. Holmes... J. Sorokin... P. Wahrlich... B.J. Whelan... M.G. Winnick... et al.
dc.identifier.citationAstroparticle Physics, 2011; 34(8):627-639
dc.identifier.doi10.1016/j.astropartphys.2010.12.007
dc.identifier.issn0927-6505
dc.identifier.issn1873-2852
dc.identifier.orcidBellido Caceres, J. [0000-0002-0833-9194]
dc.identifier.orcidClay, R. [0000-0002-9040-9648]
dc.identifier.orcidDawson, B. [0000-0002-4271-3055]
dc.identifier.urihttp://hdl.handle.net/2440/71070
dc.language.isoen
dc.publisherElsevier Science BV
dc.rights© 2011 Elsevier B.V. All rights reserved.
dc.source.urihttps://doi.org/10.1016/j.astropartphys.2010.12.007
dc.titleSearch for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory
dc.typeJournal article
pubs.publication-statusPublished

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