Test of interaction models up to 40 PeV by studying hadronic cores of EAS

被引:13
作者
Apel, W. D. [1 ]
Badea, A. F. [1 ]
Bekk, K. [1 ]
Bluemer, J. [1 ,2 ]
Bozdog, H. [1 ]
Brancus, I. M. [3 ]
Daumiller, K. [1 ]
Doll, P. [1 ]
Engel, R. [1 ]
Engler, J. [1 ]
Gils, H. J. [1 ]
Glasstetter, R. [4 ]
Haungs, A. [1 ]
Heck, D. [1 ]
Hoerandel, J. R.
Kampert, K-H [4 ]
Klages, H. O. [1 ]
Mathes, H. J. [1 ]
Mayer, H. J. [1 ]
Milke, J. [1 ]
Oehlschlaeger, J. [1 ]
Ostapchenko, S. [2 ]
Petcu, M. [3 ]
Pierog, T. [1 ]
Rebel, H. [1 ]
Risse, A. [4 ]
Risse, M. [4 ]
Roth, M. [1 ]
Schatz, G. [1 ]
Schieler, H. [1 ]
Ulrich, H. [1 ]
van Buren, J. [2 ]
Weindl, A. [1 ]
Wochele, J. [1 ]
Zabierowski, J. [5 ]
机构
[1] Forschungszentrum Karlsruhe, Inst Kernphys, D-76021 Karlsruhe, Germany
[2] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany
[3] Natl Inst Phys & Nucl Engn, Bucharest 7690, Romania
[4] Univ Wuppertal, Fachbereich Phys, D-42097 Wuppertal, Germany
[5] Solan Inst Nucl Studies, PL-90950 Lodz, Poland
关键词
D O I
10.1088/0954-3899/34/12/005
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The interpretation of extensive air shower measurements often requires a comparison with shower simulations in the atmosphere. These calculations rely on hadronic interaction models which have to extrapolate into kinematical and energy regions not explored by present-day collider experiments. The KASCADE experiment with its large hadron calorimeter and the detector array for the electromagnetic and muonic components provides experimental data to check such interaction models. For the simulations the program CORSIKA is used, which has several hadronic event generators embedded. For high-energy interactions (E-lab greater than or similar to 100 GeV) the models DPMJET, NEXUS, QGSJET and SIBYLL have been used. Low-energy interactions have been treated by GHEISHA and FLUKA. Different hadronic observables are investigated as well as their correlations with the electromagnetic and muonic shower components up to primary energies of about 40 PeV. Although the predictions of the more recent models are to a large extent compatible with the measured data within the range given by proton and iron primary particles, there are still significant differences between the individual models.
引用
收藏
页码:2581 / 2593
页数:13
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