The importance of muon information on primary mass discrimination of ultra-high energy cosmic rays

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dc.creatorSupanitsky, D.
dc.creatorTiba, A.
dc.creatorMedina-Tanco, G.
dc.creatorEtchegoyen, A.
dc.creatorAllekotte, I.
dc.creatorBerisso, M. Gomez
dc.creatorde Souza, V.
dc.creatorMedina, C.
dc.creatorOrtiz, J. A.
dc.creatorShellard, R.
dc.date2005-10-14
dc.date.accessioned2026-07-07T06:43:54Z
dc.date.available2026-07-07T06:43:54Z
dc.descriptionSeveral methods can be used to perform statistical inference of primary composition of cosmic rays measured with water Cerenkov detectors as those in use at the Pierre Auger Southern Observatory. In the present work we assess the impact of additional information about the number of muons in the air shower, on the problem of statistical primary mass discrimination. Several tools are studied, including neural networks, principal component analysis and traditional methods in current use in the field. For our case study we use hypothetical plastic scintillators as muon counters, buried at the side and outside the shade of the water Cerenkov tanks. The study is extended to protons and Fe nuclei impinging on an array with two different spacings, 750 and 1500 m and, therefore, suitable to the 1-10 EeV energy range. A prototype of such a detector is under construction.
dc.description4 pages, 3 figures, proceedings of the 29th ICRC Pune, India
dc.identifierhttps://arxiv.org/abs/astro-ph/0510451
dc.identifierhttp://arxiv.org/abs/astro-ph/0510451
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102590
dc.subjectAstrophysics
dc.titleThe importance of muon information on primary mass discrimination of ultra-high energy cosmic rays
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