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Measurement of the average electromagnetic longitudinal shower profile at the Pierre Auger Observatory
Francisco Diogo, Andrej Filipčič, Gašper Kukec Mezek, Ahmed Saleh, Samo Stanič, Marta Trini, Darko Veberič, Serguei Vorobiov, Lili Yang, Danilo Zavrtanik, Marko Zavrtanik, 2015, published scientific conference contribution

Abstract: In addition to the standard Xmax and energy, the longitudinal profiles of extensive air showers contain some more interesting information. For energies above 10[sup]17.8 eV, we present the average profiles as a function of atmospheric depth measured for the first time at the Pierre Auger Observatory. The profile shapes for different energy ranges are all well reproduced by a Gaisser-Hillas function within the range studied. A detailed analysis of the systematic uncertainties is performed using data and a full detector simulation, and the results are compared with predictions of hadronic interaction models for different primaries.
Keywords: Pierre Auger Observatory, extensive air showers, longitudinal shower profile, Gaisser-Hillas finction
Published in RUNG: 03.03.2016; Views: 4114; Downloads: 188
.pdf Full text (684,20 KB)

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