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Layered water Cherenkov detector for the study of ultra high energy cosmic rays

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arxiv 1405.5699 v1 pith:Z5ZCIUKA submitted 2014-05-22 astro-ph.IM

classification astro-ph.IM
keywords cosmiccherenkovdesigndetectoreventwateraboveaccording
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abstract

We present a new design for the water Cherenkov detectors that are in use in various cosmic ray observatories. This novel design can provide a significant improvement in the independent measurement of the muonic and electromagnetic component of extensive air showers. From such multi-component data an event by event classification of the primary cosmic ray mass becomes possible. According to popular hadronic interaction models, such as EPOS-LHC or QGSJetII-04, the discriminating power between iron and hydrogen primaries reaches Fisher values of $\sim$ 2 or above for energies in excess of $10^{19}$ eV with a detector array layout similar to that of the Pierre Auger Observatory.

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Cited by 1 Pith paper

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  1. Performance Studies of Layered Water Cherenkov Detectors

    astro-ph.HE 2025-08 conditional novelty 5.0 of 10

    Layered water Cherenkov detectors can be calibrated on atmospheric muons, and a triangular GCOS array needs about 15,000 tanks at roughly 2.2 km spacing for full efficiency above 10 EeV.

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