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Scaling behaviour of lateral distribution of electrons in EAS

R.K. Dey A. Bhadra J.-N. Capdevielle 1
1 APC - AHE - APC - Astrophysique des Hautes Energies
APC (UMR_7164) - AstroParticule et Cosmologie, Dipartimento di Astronomia, Universita degli Studi di Bologna
Abstract : From a Monte Carlo simulation study of cosmic ray air showers around the knee of the primary energy spectrum it is shown that, despite a strong radial dependence of the lateral shower age parameter, the lateral density distribution of electrons in cosmic ray EAS displays universality when expressed in terms of local age parameters. The nature of the radial variation of local age is found to depend on the choice of the effective Moliere radius, particularly for radial distances below about 400 m. The possible use of shower age parameters in a multi-parameter study of EAS for extracting information about the nature of the shower initiating particles, has been re-examined.
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Submitted on : Tuesday, September 11, 2012 - 2:01:41 AM
Last modification on : Wednesday, September 23, 2020 - 4:39:49 AM

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R.K. Dey, A. Bhadra, J.-N. Capdevielle. Scaling behaviour of lateral distribution of electrons in EAS. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2012, 39, pp.085201. ⟨10.1088/0954-3899/39/8/085201⟩. ⟨in2p3-00730714⟩

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