On a coherent investigation of the spectrum of cosmic rays in the energy range of 1014 _ 1018 eV with KASCADE and KASCADE-Grande

24th European Cosmic Ray Symposium

Schoo, S.^1 ; Apel, W.D.^1 ; Arteaga-Velázquez, J.C.^2 ; Beck, K.^1 ; Bertaina, M.^3 ; Blümer, J.^1,4 ; Bozdog, H.^1 ; Brancus, I.M.^5 ; Cantoni, E.^3,6,14 ; Chiavassa, A.^3 ; Cossavella, F.^4,15 ; Daumiller, K.^1 ; De Souza, V.^7 ; Di Pierro, F.^3 ; Doll, P.^1 ; Engel, R.^1 ; Fuhrmann, D.^8,16 ; Gherghel-Lascu, A.^5 ; Gils, H.J.^1 ; Glasstetter, R.^8 ; Grupen, C.^9 ; Haungs, A.^1 ; Heck, D.^1 ; Hörandel, 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 ; Mathes, H.J.^1 ; Mayer, H.J.^1 ; Milke, J.^1 ; Mitrica, B.^5 ; Morello, C.^6 ; Oehlschläger, J.^1 ; Ostapchenko, S.^12 ; Palmieri, N.^4 ; Petcu, M.^5 ; Pierog, T.^1 ; Rebel, H.^1 ; Roth, M.^1 ; Schieler, H.^1 ; Schröder, F.G.^1 ; Sima, O.^13 ; Toma, G.^5 ; Trinchero, G.C.^6 ; Ulrich, H.^1 ; Weindl, A.^1 ; Wochele, J.^1 ; Zabierowski, J.^11

Institut für Kernphysik, KIT-Karlsruher Institut für Technologie, Germany^1

Universidad Michoacana, Instituto de Física y Matemáticas, Morelia, Mexico^2

Dipartimento di Fisica, Università Degli Studi di Torino, Italy^3

Institut für Experimentelle Kernphysik, KIT-Karlsruher Institut für Technologie, Germany^4

Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania^5

Osservatorio Astrofisico di Torino, INAF Torino, Italy^6

Universidade São Paulo, Instituto de Física de São Carlos, Brazil^7

Fachbereich Physik, Universität Wuppertal, Germany^8

Department of Physics, Siegen University, Germany

(10) Dept. of Astrophysics, Radboud University Nijmegen, Netherlands

(11) National Centre for Nuclear Research, Department of Astrophysics, Lodz, Poland

(12) Frankfurt Institute for Advanced Studies (FIAS), Frankfurt am Main, Germany

(13) Department of Physics, University of Bucharest, Bucharest, Romania

(14) Istituto Nazionale di Ricerca Metrologia, INRIM, Torino, Italy

(15) DLR Oberpfaffenhofen, Germany

(16) University of Duisburg-Essen, Duisburg, Germany^9

关键词: Coherent analysis;    Combined analysis;    Current status;    Energy ranges;    Energy spectra;    KASCADE-Grande;    Reconstruction procedure;    Stand -alone;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/632/1/012025/pdf
DOI  :  10.1088/1742-6596/632/1/012025

来源: IOP

【 摘 要 】

The KASCADE experiment and its extension KASCADE-Grande have significantly contributed to the current knowledge about the energy spectrum and composition of cosmic rays (CRs) with energies between the knee and the ankle. However, the data of both experiments were analysed separately, although Grande used the muon information of the KASCADE-array. A coherent analysis based on the combined data of both arrays is expected to profit from reconstructed shower observables with even higher accuracy compared to the stand-alone analyses. In addition, a significantly larger fiducial area is available. The aim of this analysis is to obtain the spectrum and composition of CRs in the range from 1014to 1018eV with a larger number of events and further reduced uncertainties using one unique reconstruction procedure for the entire energy range. This contribution will describe the motivation, the concept, and the current status of the combined analysis.