First ground-based measurement of atmospheric Cherenkov light from cosmic rays

被引：40

作者：

Aharonian, F.

Akhperjanian, A. G.

Bazer-Bachi, A. R.

Beilicke, M.

Benbow, W.

Berge, D.

Bernloehr, K.

Boisson, C.

Bolz, O.

Borrel, V.

Braun, I.

Brion, E.

Brown, A. M.

Buehler, R.

Busching, I.

Carrigan, S.

Chadwick, P. M.

Chounet, L. -M.

Coignet, G.

Cornils, R.

Costamante, L.

Degrange, B.

Dickinson, H. J.

Djannati-Atai, A.

Drury, L. O'C.

Dubus, G.

Egberts, K.

Emmanoulopoulos, D.

Espigat, P.

Feinstein, F.

Ferrero, E.

Fiasson, A.

Fontaine, G.

Funk, Seb.

Funk, S.

Fuessling, M.

Gallant, Y. A.

Giebels, B.

Glicenstein, J. F.

Glueck, B.

Goret, P.

Hadjichristidis, C.

Hauser, D.

Hauser, M.

Heinzelmann, G.

Henri, G.

Hermann, G.

Hinton, J. A.

Hoffmann, A.

Hofmann, W.

机构：

[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[2] Yerevan Phys Inst, Yerevan 375036, Armenia

[3] Ctr Etud Spatiale Rayonnements, CNRS, UPS, F-31029 Toulouse 4, France

[4] Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany

[5] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[6] Observ Paris, CNRS, UMR 8102, LUTH,Sect Meudon, F-92195 Meudon, France

[7] CE Saclay, CEA, DSM, DAPNIA, F-91191 Gif Sur Yvette, France

[8] Univ Durham, Dept Phys, Durham DH1 3LE, England

[9] NW Univ, Unit Space Phys, ZA-2520 Potchefstroom, South Africa

[10] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[11] CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[12] APC, F-75231 Paris 05, France

[13] Dublin Inst Adv Studies, Dublin 2, Ireland

[14] Heidelberg Univ, D-69117 Heidelberg, Germany

[15] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, F-34095 Montpellier 5, France

[16] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany

[17] Univ Grenoble 1, CNRS, INSU, Lab Astrophys Grenoble, F-38041 Grenoble 9, France

[18] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

[19] Univ Paris 06, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris 5, France

[20] Univ Paris 07, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris 5, France

[21] Charles Univ Prague, Inst Nucl & Particle Phys, CR-18000 Prague 8, Czech Republic

[22] Ruhr Univ Bochum, Lehrstuhl Weltraum & Astrophys 4, Inst Theoret Phys, D-44780 Bochum, Germany

[23] Univ Namibia, Windhoek, Namibia

来源：

PHYSICAL REVIEW D | 2007年 / 75卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.75.042004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A recently proposed novel technique for the detection of cosmic rays with arrays of Imaging Atmospheric Cherenkov Telescopes is applied to data from the High Energy Stereoscopic System (H.E.S.S.). The method relies on the ground-based detection of Cherenkov light emitted from the primary particle prior to its first interaction in the atmosphere. The charge of the primary particle (Z) can be estimated from the intensity of this light, since it is proportional to Z(2). Using H.E.S.S. data, an energy spectrum for cosmic-ray iron nuclei in the energy range 13-200 TeV is derived. The reconstructed spectrum is consistent with previous direct measurements and is one of the most precise so far in this energy range.

引用

页数：12

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