5 papers
Analysis of extensive air showers with the hybrid code SENECA
Jeferson A. Ortiz, Vitor de Souza, Gustavo Medina-Tanco
The ultrahigh energy tail of the cosmic ray spectrum has been explored with unprecedented detail. For this reason, new experiments are exerting a severe pressure on extensive air s…
Analysis of shower size as estimator of extensive air shower energy
Vitor de Souza, Jeferson A. Ortiz, Gustavo Medina-Tanco +1
The fluorescence technique has been successfully used to detect ultrahigh energy cosmic rays by indirect measurements. The underlying idea is that the number of charged particles i…
Acceptance of fluorescence detectors for photons and its implication in energy spectrum inference at the highest energies
Vitor de Souza, Gustavo Medina-Tanco, Jeferson A. Ortiz
The HiRes and AGASA Collaborations have published contradictory energy spectra for energies above the GZK cut-off. In this article, we investigate the acceptance of fluorescence te…
Lateral width of shower image in the Auger fluorescence detector
H. Barbosa, V. de Souza, C. Dobrigkeit +11
The impact of the lateral distribution of light in extensive air showers on the detection and reconstruction of shower profiles is investigated for the Auger fluorescence telescope…
Fluorescence photons produced in air by extensive air showers
Vitor de Souza, Gustavo Medina-Tanco, Jeferson A. Ortiz
The air fluorescence technique has long been used to detect extensive air showers and to reconstruct its geometry and energy. The fluorescence photon yield of an electron in air is…