نتایج جستجو برای: extensive air shower eas
تعداد نتایج: 379809 فیلتر نتایج به سال:
Event-by-event measured arrival time distributions of Extensive Air Shower (EAS) muons are affected and distorted by various interrelated effects which originate from the time resolution of the timing detectors, from fluctuations of the reference time and the number (multiplicity) of detected muons spanning the arrival time distribution of the individual EAS events. The origin of these effects ...
Cosmic-ray particles impinging on the atmosphere induce high-energy particle cascades in air, an extensive air shower (EAS), emitting coherent radio emission. This emission is affected by presence of strong electric fields during thunderstorm conditions. To reconstruct atmospheric field from measured footprint EAS we use analytic model for calculation emission, MGMR3D. In this work make compari...
KASCADE-Grande was an air-shower experiment designed to study cosmic rays between 1016 and 1018 eV. The instrument was located at the site of the Karlsruhe Institute of Technology, Germany at an altitude of 110m a.s.l. and covered an area of 0.5 km. KASCADE-Grande consisted of several detector systems dedicated to measure different components of the EAS generated by the primary cosmic rays, i.e...
Recent results from the KASCADE extensive air shower experiment are presented. After briefly reviewing the status of the experiment we report on tests of hadronic interaction models and emphasize the progress being made in understanding the properties and origin of the knee at eV. Analysing the muonand hadron trigger rates in the KASCADE calorimeter as well as the global properties of high ener...
In view of the current efforts to extend the KASCADE experiment (KASCADEGrande) for observations of Extensive Air Showers (EAS) of primary energies up to 1·10 eV, the features of muon arrival time distributions and their correlations with other observable EAS quantities have been scrutinised on basis of high-energy EAS, simulated with the Monte Carlo code CORSIKA and using in general the QGSJET...
Spectra of local muon densities in high-energy extensive air-showers (EAS) are presented as signature of the primary cosmic ray energy spectrum in the knee region. The KASCADE central detector, with its two layers of multiwire proportional chambers and with a layer of scintillation counters, enables the measurements of muon densities at two different threshold energies. The spectra have been re...
The experiment KASCADE observes simultaneously the electron-photon, muon, and hadron components of high-energy extensive air showers (EAS). The analysis of EAS observables for an estimate of energy and mass of the primary particle invokes extensive Monte Carlo simulations of the EAS development for preparing reference patterns. The present studies utilize the air shower simulation code CORSIKA ...
The main aim of the KASCADE extensive air shower (EAS) experiment is the determination of the chemical composition of cosmic rays in the energy range around and above the knee at Ek ≈ 3 PeV. A large number of observables is measured simultaneously for each individual event, by the combination of various detection techniques for the electromagnetic, the muonic, and the hadronic component of the ...
Primary cosmic ray particles above energies of about 100 TeV are investigated by large-area ground based detector installations, observing various components of the development of extensive air-showers (EAS). By such an indirect access to the primary cosmic ray spectrum a steepening of the power-law falls off at around 3-5 PeV, known as the knee has been identified. Different experimental techn...
Simulation Calibration of an Extensive Air Shower array, by a logged data set of its small prototype
Alborz observatory is an EAS array in the heights of Alborez mountain chain near Tehran. For the development of the array, more number of detectors is inevitable. The managing the financial resources and achieving the highest efficiency of the array is important for the project. Therefore, Water Cherenkov Detectors has been used for 9 months in the same way as the previous experiment with Scint...
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