Anomalous Longitudinal Shower Profiles and Hadronic Interactions

Anomalous Longitudinal Shower Profiles and Hadronic Interactions

The bulk of air showers initiated by very high energy cosmic rays exhibits a longitudinal development in depth with a single well-defined shower maximum. However, a small fraction of showers has a profile that differs considerably from this average behaviour. In extreme cases, such anomalous longitu...

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Veröffentlicht in:arXiv.org 2011-11
Hauptverfasser: Baus, Colin, Engel, Ralph, Pierog, Tanguy, Ulrich, Ralf, Unger, Michael
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Cosmic ray showers
Cosmic rays
Dependence
Maxima
Physics - High Energy Astrophysical Phenomena
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Engel, Ralph
Pierog, Tanguy
Ulrich, Ralf
Unger, Michael
description The bulk of air showers initiated by very high energy cosmic rays exhibits a longitudinal development in depth with a single well-defined shower maximum. However, a small fraction of showers has a profile that differs considerably from this average behaviour. In extreme cases, such anomalous longitudinal profiles can even have two distinct shower maxima. We discuss the properties of the primary interactions that lead to such profiles. Simulations are used to estimate the rate of anomalous profiles in dependence of primary energy, mass, and characteristic features of hadronic multiparticle production at very high energies.
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subjects Cosmic ray showers
Cosmic rays
Dependence
Maxima
Physics - High Energy Astrophysical Phenomena
title Anomalous Longitudinal Shower Profiles and Hadronic Interactions
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