A. V. Glushkov, A. Sabourov
Published 2013-11-07, updated 2013-11-08Version 2
The lateral distribution of muons with ~1.0x\sec(\theta) GeV in extensive air showers within ~10^{17}-10^{19} eV energy region obtained during different observational periods from November 1987 to June 2013 has been analyzed. Experimental data have been compared to predictions of various hadron interaction models. The best agreement is observed with QGSJETII-04. Until 1996, the mass composition of cosmic rays with energy below 2x10^{18} eV was significantly lighter than in later periods.
Comments: 10 pages, 4 figures. arXiv admin note: substantial text overlap with arXiv:1310.0561
Journal: JETP Lett. 98, 10, 655 (2013)
Measurements of the Cosmic Ray Composition with Air Shower Experiments
Muons in EASs with $E_0 = 10^{19}$ eV according to data of the Yakutsk Array
Anomalies in Cosmic Ray Composition: Explanation Based on Mass to Charge Ratio
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