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Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory
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Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory
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| The Pierre Auger Collaboration; Pastor Carpi, Sergio | |||
| This document is a artículoDate2011 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/48003 |
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| We present the results of searches for dipolar-type anisotropies in different energy ranges above 2.5×10^17 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. | |||
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The Pierre Auger Collaboration Pastor Carpi, Sergio 2011 Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory Astroparticle Physics 34 8 627 639 |
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| http://dx.doi.org/10.1016/j.astropartphys.2010.12.007 |
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22 - Física [3703]