Cosmic-ray composition with TACTIC telescope using Fractal and Wavelet analysis

► A preliminary flux estimate of various cosmic-ray constituents using Fractal and Wavelet analysis. ► Wavelet parameter B6 Provides ⩾90% segregation of the events in terms of their mass. ► Primary flux of various cosmic-primaries (Y, P, Ne & Fe) beyond 5TeV energy estimated. A preliminary flux...

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Bibliographic Details
Published in:Astroparticle physics 2012-10, Vol.38, p.12-17
Main Author: Bhat, C.K.
Format: Article
Language:English
Subjects:
Cosmic rays
Cosmic-ray composition
Gamma rays
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Summary:► A preliminary flux estimate of various cosmic-ray constituents using Fractal and Wavelet analysis. ► Wavelet parameter B6 Provides ⩾90% segregation of the events in terms of their mass. ► Primary flux of various cosmic-primaries (Y, P, Ne & Fe) beyond 5TeV energy estimated. A preliminary flux estimate of various cosmic-ray constituents based on the atmospheric Cerenkov light flux of extensive air showers using fractal and wavelet analysis approach is proposed. Using a Monte-Carlo simulated database of Cerenkov images recorded by the TACTIC telescope, we show that one of the wavelet parameters (wavelet dimension B6) provides ⩾90% segregation of the simulated events in terms of the primary mass. We use these results to get a preliminary estimate of primary flux for various cosmic-ray primaries above 5TeV energy. The simulation based flux estimates of the primary mass as recorded by the TACTIC telescope are in good agreement with the experimentally determined values.
ISSN:0927-6505
1873-2852
DOI:10.1016/j.astropartphys.2012.08.005