Astronomy and Astrophysics – Astrophysics – Instrumentation and Methods for Astrophysics
Scientific paper
2010-10-19
Astropart.Phys.34:467-475,2011
Astronomy and Astrophysics
Astrophysics
Instrumentation and Methods for Astrophysics
Accepted in Astroparticle Physics
Scientific paper
10.1016/j.astropartphys.2010.10.
An accurate knowledge of the fluorescence yield and its dependence on atmospheric properties such as pressure, temperature or humidity is essential to obtain a reliable measurement of the primary energy of cosmic rays in experiments using the fluorescence technique. In this work, several sets of fluorescence yield data (i.e. absolute value and quenching parameters) are described and compared. A simple procedure to study the effect of the assumed fluorescence yield on the reconstructed shower parameters (energy and shower maximum depth) as a function of the primary features has been developed. As an application, the effect of water vapor and temperature dependence of the collisional cross section on the fluorescence yield and its impact on the reconstruction of primary energy and shower maximum depth has been studied.
Arqueros Fernando
Garcia-Pinto D.
Monasor Maria
Vázquez J. R.
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