Lateral distribution of the radio signal in extensive air showers measured with LOPES

被引：60

作者：

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

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

Asch, T. ^{[3
]}

Badea, A. F. ^{[1
]}

Bahren, L. ^{[4
]}

Bekk, K. ^{[1
]}

Bertaina, M. ^{[5
]}

Biermann, P. L. ^{[6
]}

Bluemer, J. ^{[1
,2
]}

Bozdog, H. ^{[1
]}

Brancus, I. M. ^{[7
]}

Brueggemann, M. ^{[8
]}

Buchholz, P. ^{[8
]}

Buitink, S. ^{[4
]}

Cantoni, E. ^{[5
,9
]}

Chiavassa, A. ^{[5
]}

Cossavella, F. ^{[2
]}

Daumiller, K. ^{[1
]}

de Souza, V. ^{[2
]}

Di Pierro, F. ^{[5
]}

Doll, P. ^{[1
]}

Engel, R. ^{[1
]}

Falcke, H. ^{[4
,10
]}

Finger, M. ^{[1
]}

Fuhrmann, D. ^{[11
]}

Gemmeke, H. ^{[3
]}

Ghia, P. L. ^{[9
]}

Glasstetter, R. ^{[11
]}

Grupen, C. ^{[8
]}

Haungs, A. ^{[1
]}

Heck, D. ^{[1
]}

Horandel, J. R. ^{[4
]}

Horneffer, A. ^{[4
]}

Huege, T. ^{[1
]}

Isar, P. G. ^{[1
]}

Kampert, K. -H. ^{[11
]}

Kang, D. ^{[2
]}

Kickelbick, D. ^{[8
]}

Kroemer, O. ^{[3
]}

Kuijpers, J. ^{[4
]}

Lafebre, S. ^{[4
]}

Luczak, P. ^{[12
]}

Ludwig, M. ^{[2
]}

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

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

Melissas, M. ^{[2
]}

Mitrica, B. ^{[7
]}

Morello, C. ^{[9
]}

Navarra, G. ^{[5
]}

Nehls, S. ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Kernphys, Karlsruhe, Germany

[2] Forschungszentrum Karlsruhe, Inst Expt Kernphys, Karlsruhe, Germany

[3] Forschungszentrum Karlsruhe, IPE, Karlsruhe, Germany

[4] Radboud Univ Nijmegen, Dept Astrophys, Nijmegen, Netherlands

[5] Gen Univ Torino, Dipartimento Fis, Turin, Italy

[6] Max Planck Inst Radioastron, D-5300 Bonn, Germany

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

[8] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany

[9] INAF, Ist Fis Spazio Interplanetario, Turin, Italy

[10] ASTRON, Dwingeloo, Netherlands

[11] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany

[12] Soltan Inst Nucl Studies, Lodz, Poland

[13] Univ Bucharest, Dept Phys, Bucharest, Romania

来源：

ASTROPARTICLE PHYSICS | 2010年 / 32卷 / 06期

关键词：

Extensive air showers; Radio emission; KASCADE-Grande; LOPES; Lateral distribution; EMISSION; ENERGY;

D O I：

10.1016/j.astropartphys.2009.09.007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The antenna array LOPES is set up at the location of the KASCADE-Grande extensive air shower experiment in Karlsruhe, Germany and aims to measure and investigate radio pulses from extensive air showers. The coincident measurements allow us to reconstruct the electric field strength at observation level in dependence of general EAS parameters. In the present work, the lateral distribution of the radio signal in air showers is studied in detail. It is found that the lateral distributions of the electric field strengths in individual EAS can be described by an exponential function. For about 20% of the events a flattening towards the shower axis is observed, preferentially for showers with large inclination angle. The estimated scale parameters R-0, describing the slope of the lateral profiles range between 100 and 200 m. No evidence for a direct correlation of R-0 with shower parameters like azimuth angle, geomagnetic angle, or primary energy can be found. This indicates that the lateral profile is an intrinsic property of the radio emission during the shower development which makes the radio detection technique suitable for large scale applications. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：294 / 303

页数：10

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