Mass Composition of Cosmic Rays with Energies above 1017 eV According to the Data from the Muon Detectors of the Yakutsk EAS Array

被引：12

作者：

Glushkov, A. V. ^{[1
]}

Saburov, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Yakut Res Ctr, Shafer Inst Cosmophys Res & Aeron, Yakutsk 677891, Russia

来源：

JETP LETTERS | 2019年 / 109卷 / 09期

关键词：

EXTENSIVE AIR-SHOWERS; SCINTILLATION DETECTORS;

D O I：

10.1134/S0021364019090091

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The lateral distribution of muons in extensive air showers with energies above 1017 eV detected by underground scintillation detectors with a threshold of 1.0 GeV at the Yakutsk array in 1986-2016 has been analyzed. The experimental data on the muon flux density at a distance of 300 m from the shower axis have been compared to the calculations within various models of hadron interactions at ultrahigh energies. The experimental data are in the best agreement with the QGSJet01 and QGSJet II-04 models. The mass composition of cosmic rays in the energy range of (1-30) x 10(17) eV changes from middle nuclei to a purely proton composition.

引用

页码：559 / 563

页数：5

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