Large-Scale Cosmic-Ray Anisotropy with KASCADE
T. Antoni,W. D. Apel,A.F. Badea,K. Bekk,A. Bercuci,H. Blümer,H. Bozdog,I.M. Brancus,C. Büttner,Kai Daumiller,P. Doll,R. Engel,J. Engler,F. Fessler,H.J. Gils,R. Glasstetter,Andreas Haungs,D. Heck,Jörg R. Hörandel,Karl-Heinz Kampert,H.O. Klages,Gernot Maier,H. J. Mathes,H.J. Mayer,J. Milke,Marcio Aparecido Muller,R. Obenland,J. Oehlschläger,S. Ostapchenko,S. Ostapchenko,M. Petcu,H. Rebel,A. Risse,M. Risse,Markus Roth,G. Schatz,H. Schieler,J. Scholz,T. Thouw,H. Ulrich,J. van Buren,A. Vardanyan,A. Weindl,J. Wochele,J. Zabierowski +44 more
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TLDR
In this article, the results of an analysis of the large-scale anisotropy of cosmic rays in the PeV range were presented, and the Rayleigh formalism was applied to the right ascension distribution of extensive air showers measured by the KASCADE (Karlsruhe Shower Core and Array Detector) experiment.Abstract:
We present the results of an analysis of the large-scale anisotropy of cosmic rays in the PeV range. The Rayleigh formalism is applied to the right ascension distribution of extensive air showers measured by the KASCADE (Karlsruhe Shower Core and Array Detector) experiment. The data set contains about 108 extensive air showers in the energy range 0.7-6 PeV. No hints of anisotropy are visible in the right ascension distributions in this energy range. This accounts for all showers, as well as for subsets containing showers induced by predominantly light or heavy primary particles, respectively. Upper flux limits for Rayleigh amplitudes are determined to be between 10-3 at a primary energy of 0.7 PeV and 10-2 at 6 PeV.read more
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Journal ArticleDOI
Confinement and anisotropy of ultrahigh-energy cosmic rays in isotropic plasma wave turbulence - I. Modification of the Hillas limit due to turbulence geometry
TL;DR: In this paper, the mean free path and anisotropy of galactic cosmic rays are calculated in weak plasma wave turbulence that is isotropically distributed with respect to the ordered uniform magnetic field.
Journal ArticleDOI
Zenith angle distribution of cosmic ray showers measured with the Yakutsk array and its application to the analysis of arrival directions in equatorial coordinates
TL;DR: In this paper, the zenith angle distribution of an extensive air shower event rate of ultra-high energy cosmic rays is examined, and an upper limit on the fraction of cosmic rays from a separable source in the uniform background is derived as a function of declination and energy.
Journal ArticleDOI
Models and phenomenology
TL;DR: The most probable conclusion deduced from this examination is that the knee has an astrophysical origin and the so called'source' models of the knee are most likely among them as mentioned in this paper.
Journal ArticleDOI
Investigating the 2nd knee: The KASCADE-Grande experiment
A. Haungs,W. D. Apel,F. Badea,K. Bekk,Alexandru Bercuci,M. E. Bertaina,J. Bliimer,H. Bozdog,I.M. Brancus,M. Brüggemann,Peter Buchholz,Andrea Chiavassa,Kai Daumiller,F. Di Pierre,P. Doll,R. Engel,J. Engler,P. L. Ghia,H.J. Gils,R. Glasstetter,C. Grupen,D. Heck,J.R. Hörandel,K. H. Kampert,H.O. Klages,Y. Kolotaev,Gernot Maier,H. J. Mathes,H.J. Mayer,J. Milke,B. Mitricat,C. Morello,Marcio Aparecido Muller,G. Navarra,R. Obenland,J. Oehlschläger,S. Ostapchenko,S. Over,M. Petcut,T. Pierog,S. Plewnia,H. Rebel,A. Risse,Markus Roth,H. Schieler,Octavian Sima,M. Stümpert,G. Toma,G. C. Trinchero,H. Ulrich,S. Valchierotti,J. van Buren,Wolfgang Walkowiak,A. Weindl,J. Wochele,J. Zabierowski,S. Zagromski,D. Zimmermann +57 more
TL;DR: In this paper, a multi-detector set-up KASCADE on measurements of cosmic rays in the energy range of the so called first knee (at ≈ 3 PeV) indicate a distinct knee-like feature of light primary cosmic rays and an increasing dominance of heavy ones towards higher energies.
Journal ArticleDOI
Investigation of cosmic ray anisotropy based on Tsumeb neutron monitor data
TL;DR: In this paper, the authors investigated sidereal daily variations of galactic cosmic rays (CR) by using Tsumeb neutron monitor's (NM) hourly count during 1977-2000 and found ∼0.07% anisotropy with an excess flux from the direction of the right ascension (RA) ∼6h.
References
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The cosmic-ray experiment KASCADE
T. Antoni,W. D. Apel,F. Badea,K. Bekk,A. Bercuci,H. Blümer,H. Bozdog,I.M. Brancus,C. Büttner,Ashot Chilingarian,Kai Daumiller,P. Doll,J. Engler,F. Feßler,H.J. Gils,R. Glasstetter,R. Haeusler,Andreas Haungs,Dieter Heck,Jörg R. Hörandel,A. Iwan,Karl-Heinz Kampert,H.O. Klages,Gernot Maier,Hermann-Josef Mathes,H.J. Mayer,J. Milke,Marcio Aparecido Muller,R. Obenland,J. Oehlschläger,S. Ostapchenko,M. Petcu,H. Rebel,M. Risse,Markus Roth,G. Schatz,Harald Schieler,J. Scholz,T. Thouw,H. Ulrich,A. Vardanyan,J.H. Weber,A. Weindl,J. Wentz,J. Wochele,J. Zabierowski,S. Zagromski +46 more
TL;DR: The KASCADE experiment as mentioned in this paper was designed to measure air showers of primary cosmic-ray energies in the PeV region and to investigate the knee phenomenon in the all-particle energy spectrum.
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