Photoproduction models for total cross section and shower development
Fernando Cornet (Granada U.), Carlos Garcia Canal (La Plata U.), Agnes, Grau (Granada U.), Giulia Pancheri (INFN Frascati), Sergio Sciutto (La Plata, U.)
TL;DR
This paper presents a new photoproduction model based on infrared gluon resummation to simulate cosmic ray air showers, analyzing its effects on shower observables, especially muon production, using the AIRES simulation.
Contribution
It introduces a novel photoproduction model incorporating infrared gluon resummation and evaluates its impact on air shower simulations compared to previous models.
Findings
The new model affects muon production in air showers.
Infrared gluon resummation limits the rise of total cross sections.
Simulation results differ from previous models in key shower observables.
Abstract
A model for the total photoproduction cross section based on the ansatz that resummation of infrared gluons limits the rise induced by QCD minijets in all the total cross-sections, is used to simulate extended air showers initiated by cosmic rays with the AIRES simulation program. The impact on common shower observables, especially those related with muon production, is analysed and compared with the corresponding results obtained with previous photoproduction models.
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