Influence of Primary Cosmic Radiation Mass Composition on the Estimation of Eas Energy

Details Influence of Primary Cosmic Radiation Mass Composition on the Estimation of Eas Energy Influence of Primary Cosmic Radiation Mass Composition on the Estimation of Eas Energy

2004-11-25

arxiv.org/abs/astro-ph/0411682v2

Int.J.Mod.Phys. A20 (2005) 6897-6899

Astronomy and Astrophysics

Astrophysics

19th European Cosmic Ray Symposium. Aug 30 - Sep 3 2004, Florence, Italy. 3 pages, 1 figure. Subbmitted for publication in Int

Scientific paper

10.1142/S0217751X05030430

At the Yakutsk EAS array E_em is determined by using measurements of EAS Cherenkov light flux and charged particle flux. It is known from calculations that these characteristics depend on a sort of primary particle and, therefore, the estimation of E_em depends on a primary particle mass. In the work the dependence of the E_em/E_0 ratio on the energy is given and experimental data are compared with calculations by the QGSJET model. The calculations have been carried out for the primary proton and iron nucleus. The average calculated meaning of the value of E_em/E_0 ratio (between the proton and iron nucleus) within experimental errors is in agreement with experimental data that doesnt contradict to the mixed mass composition of primary cosmic radiation.

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