Structure in the EAS size spectrum: analysis of the CASA-MIA results |
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| Authors: | AD Erlykin AW Wolfendale |
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| Institution: | Department of Physics, University of Durham, Durham, DH1 3LE, UK |
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| Abstract: | We present an analysis of the very recent data from the CASA-MIA extensive air shower array (M.A.K. Glasmacher, Ph.D. Thesis, University of Michigan (1998) in terms of a search for the structure in the shower size spectrum claimed by us from an analysis of “the world's data”. Our earlier claim is found to be supported to the extent that there is strong evidence for the existence of structure in the spectrum which cannot obviously be explained by the conventional Galactic Modulation Model. There is modest evidence for the structure being of “our” form and strong support for “our” mass composition when “corrected” to the interaction model advocated by us. None of the results are inconsistent with there having been a recent, nearby, single supernova. |
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