Study of the extensive air shower mass sensitive parameters in prototype of ALBORZ array

Rastegarzadeh, Gohar; Nemati, Mohammad

doi:10.1016/j.asr.2014.12.041

Cited by 7 publications

(1 citation statement)

References 9 publications

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“…Over the past decade, the radio detection of cosmic ray air showers with its advantages including a nearly 100 percent duty cycle, an inexpensive setup and the complementary features has been used in many different experiments to determine key parameters of cosmic rays either in a self-trigger setup or as a complementary element with other detection techniques such as particle detectors and fluorescence light detectors [4], [5]. These techniques have been used in different experiments to determine a cosmic ray property such as energy, type and mass determination [6], [7] through an investigation on the properties of an extensive air shower.…”

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confidence: 99%

Dependence of normalized phase angle of cosmic ray radio signals on core location of an extensive air shower

2022

ijpr

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High energy cosmic rays hitting the earth atmosphere induce extensive air showers propagating downward with a high gamma factor. Determining the core location of such air shower is a necessary step to measure other important characteristics of a cosmic ray such as the lateral distribution function. In this study and based on computer simulations and radio signal analyses we investigate the relation between normalized radio signal phase angle emitted from particles in an air shower to the position of a shower core. We perform a series of simulations based on CORSIKA and COREAS code for cosmic rays with different types of primary particles with an energy range from 0.1 to 1 EeV. The results show a direct relationship between the average slope of normalized radio signal phase angle as a function of frequency to the absolute distance from extensive air shower core location. We have calculated the normalized radio signal phase angle to have the absolute minimum value at close distances to a shower core location. We discuss a possible approach to estimate core location with different types of virtual radio arrays.

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Section: Introductionmentioning

confidence: 99%

Dependence of normalized phase angle of cosmic ray radio signals on core location of an extensive air shower

2022

ijpr

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Study of single and combined mass-sensitive observables of cosmic ray induced extensive air showers

Rastegarzadeh

Nemati

2016

Astrophys Space Sci

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In this study, combinations of the global arrival time, ( τ global ), pseudorapidity, and lateral density distribution (ρ μ ) of muons, which are three mass-sensitive observables of cosmic ray induced extensive air showers, have been used as new parameters to study the primary mass discrimination around the knee energies (100 TeV-10 PeV). This is a simulation-based study and the simulations have been performed for the KASCADE array at Karlsruhe and the Alborz-I array at Tehran to study the effect of the altitude on the quality of the primary mass discrimination. The merit factors of the single and combined three mass-sensitive observables have been calculated to compare the discrimination power of combined and single observables. We have used the CORSIKA 7.4 code to simulate the extensive air showers (EASs) sample sets. Considering all aspects of our study, it is found that the ratio of the global time to the lateral density distribution of the muons gives better results than other ratios; also in the case of single observables, the muon density gives better results compared with the other observables. Also it is shown that below 1 PeV primary energies, the ratio of the muon global time to the muon density ( τ global /ρ μ ) results in a better mass discrimination relative to the muon density only.

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Measuring and deconvolving frequency response of SURA-4 as a cosmic-ray radio-array experiment

2022

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Study of the extensive air shower mass sensitive parameters in prototype of ALBORZ array

Cited by 7 publications

References 9 publications

Dependence of normalized phase angle of cosmic ray radio signals on core location of an extensive air shower

Dependence of normalized phase angle of cosmic ray radio signals on core location of an extensive air shower

Study of single and combined mass-sensitive observables of cosmic ray induced extensive air showers

Measuring and deconvolving frequency response of SURA-4 as a cosmic-ray radio-array experiment

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