EPJ Web Conf.
Volume 145, 2017ISVHECRI 2016 – XIX International Symposium on Very High Energy Cosmic Ray Interactions
|Number of page(s)||4|
|Section||EAS Experiments & Muons|
|Published online||26 June 2017|
Measurements of the energy deposit of multi-muon events in the Cherenkov water calorimeter
1 National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
2 Osservatorio Astrofisico di Torino – INAF, 10025 Torino, Italy
3 Dipartimento di Fisica dell' Universita di Torino, 10125 Torino, Italy
a e-mail: email@example.com
Published online: 26 June 2017
To solve the problem of the excess of multi-muon events observed in several cosmic ray experiments at ultra-high energies (so-called “muon puzzle”), an analysis of the energy characteristics of the muon component of extensive air showers (EAS) is required. A possible approach to such investigations is the measurement of the energy deposit of muon bundles in the detector, which provides information on the mean muon energy. In the experiment now being conducted at the NEVOD-DECOR complex, the local muon density and EAS arrival direction are determined according to the data of the coordinate-tracking detector DECOR, whereas the energy deposit is measured by means of the Cherenkov water calorimeter NEVOD. Results of the measurements of the energy deposit of inclined muon bundles based on the data accumulated during more than 23,200 h observations in 2012 – 2016 are presented and compared with simulations performed by means of the CORSIKA code.
© The Authors, published by EDP Sciences 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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