نتایج جستجو برای: extensive air shower eas
تعداد نتایج: 379809 فیلتر نتایج به سال:
Data taken during half a year of operation of 10 LOPES antennas (LOPES-10), triggered by EAS observed with KASCADE-Grande have been analysed. We report about the analysis of correlations of radio signals measured by LOPES-10 with extensive air shower events reconstructed by KASCADE-Grande, including shower cores at large distances. The efficiency of detecting radio signals induced by air shower...
The simulation analysis of the Extensive Air Showers (EAS) was executed by exploring longitudinal development employing AIRES system (version 19.04.00) for several hadronic interaction models (SIBYLL, QGSJET, and EPOS) high energies. performed different energies (1017, 1018, 1019) eV two dissimilar primary particles, proton as well iron nuclei, with zenith angles values (0o, 10o, 30o). shower s...
1. Primary cosmic radiation (PCR) of ultrahigh energies (E0 > 4 × 1017 eV) is thought to consist primarily of charged particles, protons, and nuclei of various chemical elements. These charged particles are strongly mixed by the magnetic field of the galaxy and distributed almost isotropically over the celestial sphere. For this reason, it is difficult to find the local sources of PCR. The abov...
The engineering array of the southern Pierre Auger Observatory (PAO) [3] in Argentina has recently started to take data. The interpretation of the measurements requires reliable numerical simulations of extensive air showers (EAS) in the extremely-high energy (EHE) range > 10 eV. A large uncertainty in such simulations arises from the models which describe the hadronic interactions. As one has ...
Future detection of Extensive Air Showers (EAS) produced by Ultra High Energy Cosmic Particles (UHECP) by means of space based uorescence telescopes will open a new window on the universe and allow cosmic ray and neutrino astronomy at a level that is virtually impossible for ground based detectors. In this paper we summarize the results obtained in the context of the EUSO project by means of a ...
Secondary electrons at ground level of simulated extensive air showers have been analyzed using a wavelet transform based technique, in order to investigate the variation of fractal dimensions of the lateral distribution of the electrons with shower energy and primary particle mass number. The fractal dimension is shown to increase with shower energy and seems to saturate to constant values n...
The extensive air shower (EAS) experiment KASCADE has been installed at the laboratory site of the Forschungszentrum Karlsruhe. It consists of an extended array of electron detectors and muon detectors as well as of a compact and complex central detector system. The latter contains a scintillator matrix, muon detectors, and a large hadron calorimeter. The main aim of the KASCADE project is the ...
Using the facilities of the KASCADE Central Detector extensive air showers (EAS) muon arrival time distributions, observed with reference to the arrival time of the first locally registered muon, and their correlations with other EAS observables have been experimentally investigated. The variation of adequately defined time parameters with the distance Rl from the EAS axis has been measured. Th...
The antenna field of LOPES uses inverted V-shaped dipole antennas to measure radio signals originating from extensive air showers (EAS). The LOPES antennas are measuring in coincidence with the air shower experiment KASCADE-Grande. For roughly one year data in the frequency range from 40–80 MHz were taken, having 30 linearly polarized antennas oriented to East-West. In this data set the East-We...
Deviation angles of secondary electrons and muons in simulated extensive air showers were studied. The angles have wide distribution, whose width depends on energy cuts imposed on shower particles. In this work, variation of deviation angles with the energy of secondary particles, shower energy, primary direction, and core distance was investigated. The results put limitations on application ...
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