The KASCADE-Grande energy spectrum of cosmic rays and the role of hadronic interaction models

被引：37

作者：

Apel, W. D. ^{[1
]}

Arteaga-Velazquez, J. C. ^{[2
]}

Bekk, K. ^{[1
]}

Bertaina, M. ^{[3
]}

Bluemer, J. ^{[4
]}

Bozdog, H. ^{[1
]}

Brancus, I. M. ^{[5
]}

Cantoni, E. ^{[3
,6
]}

Chiavassa, A. ^{[3
]}

Cossavella, F. ^{[1
,4
]}

Daumiller, K. ^{[1
]}

de Souza, V. ^{[7
]}

Di Pierro, F. ^{[3
]}

Doll, P. ^{[1
]}

Engel, R. ^{[1
]}

Engler, J. ^{[1
]}

Finger, M. ^{[4
]}

Fuchs, B. ^{[4
]}

Fuhrmann, D. ^{[8
]}

Gils, H. J. ^{[1
]}

Glasstetter, R. ^{[8
]}

Grupen, C. ^{[9
]}

Haungs, A. ^{[1
]}

Heck, D. ^{[1
]}

Horandel, J. R. ^{[10
]}

Huber, D. ^{[4
]}

Huege, T. ^{[1
]}

Kampert, K. -H. ^{[8
]}

Kang, D. ^{[4
]}

Klages, H. O. ^{[1
]}

Link, K. ^{[4
]}

Luczak, P. ^{[11
]}

Ludwig, M. ^{[4
]}

Mathes, H. J. ^{[1
]}

Mayer, H. J. ^{[1
]}

Melissas, M. ^{[4
]}

Milke, J. ^{[1
]}

Mitrica, B. ^{[5
]}

Morello, C. ^{[6
]}

Oehlschlaeger, J. ^{[1
]}

Ostapchenko, S.

Palmieri, N. ^{[4
]}

Petcu, M. ^{[5
]}

Pierog, T. ^{[1
]}

Rebel, H. ^{[1
]}

Roth, M. ^{[1
]}

Schieler, H. ^{[1
]}

Schoo, S. ^{[1
]}

Schroeder, F. G. ^{[1
]}

Sima, O. ^{[12
]}

机构：

[1] Karlsruhe Inst Technol, Inst Kernphys, D-76021 Karlsruhe, Germany

[2] Univ Michoacana, Inst Fis & Matemat, Morelia 58040, Michoacan, Mexico

[3] Univ Turin, Dipartimento Fis, I-10125 Turin, Italy

[4] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76021 Karlsruhe, Germany

[5] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[6] INAF Torino, Osservatorio Astron Torino, I-10025 Turin, Italy

[7] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil

[8] Univ Wuppertal, Fachbereich Phys, D-42119 Wuppertal, Germany

[9] Univ Siegen, Dept Phys, D-57068 Siegen, Germany

[10] Radboud Univ Nijmegen, Dept Astrophys, NL-6500 GL Nijmegen, Netherlands

[11] Natl Ctr Nucl Res, Dept Cosm Ray Phys, PL-90950 Lodz 1, Poland

[12] Univ Bucharest, Dept Phys, RO-077125 Bucharest, Romania

来源：

ADVANCES IN SPACE RESEARCH | 2014年 / 53卷 / 10期

关键词：

Ultra-high energy cosmic rays; All-particle energy spectrum; Extensive air showers; Mass composition; Hadronic interaction models; KASCADE-Grande; COLLISIONS; KNEE; EAS;

D O I：

10.1016/j.asr.2013.05.008

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Previous results obtained by KASCADE-Grande using the QGSjetII-02 hadronic interaction model have shown that the energy spectrum of cosmic rays between 10(16) eV and 10(18) eV exhibits a significant hardening at approximately 2 x 10(16) eV and a slight but statistically significant steepening close to 10(17) Moreover, the analysis with QGSjetII-02 suggests that the break observed around 10(17) eV is caused by the heavy component of primary cosmic rays. In this paper, we report on the results of similar analyses performed using the SIBYLL 2.1 and EPOS 1.99 hadronic interaction models to interpret the data. The present results confirm qualitatively the previous findings. However, the intensity of the all-particle spectrum, the positions of the hardening and steepening of the spectrum, as well as the relative abundance of the heavy and light mass groups depend on the hadronic interaction model used to interpret the data. (C) 2013 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：1456 / 1469

页数：14

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