A limit on the diffuse gamma-rays measured with KASCADE-Grande

被引：9

作者：

Kang, D. ^{[1
]}

Apel, W. D. ^{[2
]}

Arteaga-Velazquez, J. C. ^{[3
]}

Bekk, K. ^{[2
]}

Bertaina, M. ^{[4
]}

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

Bozdog, H. ^{[2
]}

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

Cantoni, E. ^{[4
,6
]}

Chiavassa, A. ^{[4
]}

Cossavella, F. ^{[1
]}

Daumiller, K. ^{[2
]}

de Souza, V. ^{[7
]}

Di Pierro, F. ^{[4
]}

Doll, P. ^{[2
]}

Engel, R. ^{[2
]}

Feng, Z. ^{[8
]}

Fuhrmann, D. ^{[9
]}

Gherghel-Lascu, A. ^{[5
]}

Gils, H. J. ^{[2
]}

Glasstetter, R. ^{[9
]}

Grupen, C. ^{[10
]}

Haungs, A. ^{[2
]}

Heck, D. ^{[2
]}

Horandel, J. R. ^{[11
]}

Huber, D. ^{[1
]}

Huege, T. ^{[2
]}

Kampert, K. H. ^{[9
]}

Klages, H. O. ^{[2
]}

Link, K. ^{[1
]}

Luczak, P. ^{[12
]}

Mathes, H. J. ^{[2
]}

Mayer, H. J. ^{[2
]}

Milke, J. ^{[2
]}

Mitrica, B. ^{[5
]}

Morello, C. ^{[6
]}

Oehlschlaeger, J. ^{[2
]}

Ostapchenko, S. ^{[13
]}

Palmieri, N. ^{[1
]}

Petcu, M. ^{[5
]}

Pierog, T. ^{[2
]}

Rebel, H. ^{[2
]}

Roth, M. ^{[2
]}

Schieler, H. ^{[2
]}

Schoo, S. ^{[2
]}

Schroeder, F. ^{[2
]}

Sima, O. ^{[14
]}

Toma, G. ^{[5
]}

Trinchero, G. C. ^{[6
]}

Ulrich, H. ^{[2
]}

机构：

[1] Karlsruhe Inst Technol, Inst Expt Phys, D-76021 Karlsruhe, Germany

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

[3] Univ Michoacana, Inst Fis & Matemat, Mexico City, DF, Mexico

[4] Univ Turin, Dipartimento Fis, I-10124 Turin, Italy

[5] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest 077125, Romania

[6] INAF Torino, Ist Fis Spazio Interplanetario, Turin, Italy

[7] Univ Sao Paulo, Inst Fis Sao Carlos, BR-05508 Sao Paulo, Brazil

[8] Inst High Energy Phys, Beijing 100039, Peoples R China

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

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

[11] Radboud Univ Nijmegen, Dept Astrophys, NL-6525 ED Nijmegen, Netherlands

[12] Natl Ctr Nucl Res, Dept Astrophys, Lodz, Poland

[13] Frankfurt Inst Adv Studies, Frankfurt, Germany

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

来源：

24TH EUROPEAN COSMIC RAY SYMPOSIUM (ECRS) | 2015年 / 632卷

关键词：

RADIATION;

D O I：

10.1088/1742-6596/632/1/012013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using data measured by the KASCADE-Grande air shower array, an upper limit to the flux of ultra-high energy gamma-rays in the primary cosmic-ray flux is determined. KASCADE-Grande measures the electromagnetic and muonic components for individual air showers in the energy range from 10 PeV up to 1 EeV. The analysis is performed by selecting air showers with low muon contents. A preliminary result on the 90% C.L. upper limit to the relative intensity of gamma-ray with respect to cosmic ray primaries is presented and compared with limits reported by other measurements.

引用

页数：7

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