نتایج جستجو برای: extensive air shower

تعداد نتایج: 377782  

1999
S. P. Swordy D. B. Kieda

The small change in the spectral slope of the overall intensity of cosmic rays near 1 PeV may be associated with the endpoint energy of supernova shock acceleration. A crucial test of this connection and other ideas of the origin of the spectral ‘knee’ is the reliable determination of the variation of elemental composition in this region. Recent measurements at the DICE/CASA/MIA air shower inst...

1998
V. R. Chitnis P. N. Bhat

The details of Čerenkov light produced by a γ− ray or a cosmic ray incident at the top of the atmosphere is best studied through systematic simulations of the extensive air showers. Recently such studies have become all the more important in view of the various techniques resulting from such studies, to distinguish γ− ray initiated showers from those generated by much more abundant hadronic com...

Journal: :Computer Physics Communications 2005
Piotr Homola Dariusz Góra D. Heck H. Klages Jan Pekala Markus Risse Barbara Wilczynska Henryk Wilczynski

The identification of primary photons or specifying stringent limits on the photon flux is of major importance for understanding the origin of ultra-high energy (UHE) cosmic rays. UHE photons can initiate particle cascades in the geomagnetic field, which leads to significant changes in the subsequent atmospheric shower development. We present a Monte Carlo program allowing detailed studies of c...

Journal: :Journal of Physics: Conference Series 2008

Journal: :Journal of Physics: Conference Series 2013

Journal: :Australian Journal of Physics 1986

2013
Pierre Auger

The Pierre Auger Observatory in Malargüe, Argentina, is designed to study the properties of ultra-high energy cosmic rays with energies above 1018 eV. It is a hybrid facility that employs a Fluorescence Detector to perform nearly calorimetric measurements of Extensive Air Shower energies. To obtain reliable calorimetric information from the FD, the atmospheric conditions at the observatory need...

2017
L Rossetto S Buitink A Corstanje J E Enriquez H Falcke J R Hörandel A Nelles J P Rachen P Schellart O Scholten S ter Veen S Thoudam N G Trinh

The LOw Frequency ARay (LOFAR) is a multipurpose radio-antenna array aimed to detect radio signals in the 10 − 240 MHz frequency range, covering a large surface in Northern Europe with a higher density in the Northern Netherlands. Radio emission in the atmosphere is produced by cosmic-ray induced air showers through the interaction of charged particles with the Earth magnetic field. The detecti...

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