[1] G. Rastegarzadeh, H. Fallahnejad, Investigating Ultra-High Energy Cosmic Rays interactions with cosmic background photons using simulation CRPropa3.0 code, Journal of Research on Many-body Systems 8 17(2018) 31-39.
[2] S. Doostmohammadi, S.J. Fatemi, An investigation of mass composition of ultra-high energy cosmic rays with energies above 1019 eV via the study of extensive air showers, Serbian Astronomical Journal 184(2012) 87–92.
[3] A. Yushkov (for the Pierre Auger Collaborationb), Mass composition of cosmic rays with energies above 1017.2 eV from the hybrid data of the Pierre Auger Observatory, Proceedings of the 36th International Cosmic Ray Conference 36(2019) 482-490.
[4] S. Knurenko, I. Petrov, Mass composition of cosmic rays above 0.1 EeV by the Yakutsk array data,
Advances in Space Research 64 Issue 12 (2019) 2570-2577.
[5] C.H. Jui, Summary of Results from the Telescope Array Experiment, Proceedings of the 34th International Cosmic Ray Conference 34(2015) 35-49
[6] G. Rastegarzadeh, M. Nemati, Dependence of the muon pseudorapidity on the cosmic ray mass composition around the knee, International Journal of Modern Physics D 24 1 (2015) 1-8.
[7] G. Rastegarzadeh, L. Rafezi Energy, altitude, and mass dependence of steepness of the lateral distribution function of electrons and muons in extensive air showers, Nuclear Instruments and Methods in Physics Research A 763 (2014)197–201.
[8] C.K. Bhat, R.K. Kaul, M.L Sapru, C.L. Bhat, Cosmic ray mass composition through Cerenkov technique - a feasibility study, Bulletin of the Astronomical Society of India 30 (2002) 331-334.
[9] R.U. Abbasi (Telescope Array Collaboration), Depth of Ultra High Energy Cosmic Ray Induced Air Shower Maxima Measured by the Telescope Array Black Rock and Long Ridge FADC Fluorescence Detectors and Surface Array in Hybrid Mode, The Astrophysical Journal 858 2 (2018) 1-27.
]10 [H. Rebel, G. Volker, M. Foller, A.A. Chilingarian, Arrival time distributions of muons from extensive air showers as signature of the mass composition of cosmic rays, Journal of Physics G: Nuclear and Particle Physics 21 (1995) 451-472
[11] M.D. Ave Pernas, M. Ave, J. Knapp, M. Marchesini, M. Roth, A.A. Watson, Time Structure of the Shower Front as Measured at Haverah Park above 1019 eV, Proceedings of the 28th International Cosmic Ray Conference 1 (2003) 349-352.
[12] M.T. Dova (Pierre Auger Collaboration), Asymmetries Observed in Giant Air Showers Using Water Cherenkov Detectors, Proceedings of the 28th International Cosmic Ray Conference 1 (2003) 369-372.
[13] M.T. Dova, M.E. Manceñido, A.G. Mariazzi, H. Wahlberg, F.Arqueros, D.García-Pinto, Time asymmetries in extensive air showers: A novel method to identify UHECR species, Astroparticle Physics 31 Issue 4( 2009) 312-319.
[14] D. Nitz [Auger Collaboration], The front-end electronics for the Pierre Auger Observatory surface array, IEEE Transactions on Nucl. Science 51 Issue 3 (2004) 413-419.
[15] P.K.F. Grieder, Extensive Air Showers High Energy Phenomena and Astrophysical Aspects, Springer-Verlag Berlin Heidelberg, (2010).
[16] M.T. Dova, M.E. Manceñido, A.G. Mariazzi, H. Wahlberg, F. Arqueros, D. García-Pinto, Study of Rise time as a function of the distance to the Shower Core in the Surface Detector (SD) of the Pierre Auger Observatory, Journal of Physics: Conference Series 866 1(2017) 1-4.
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