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arxiv: 1510.07279 · v1 · pith:LRX4YCBFnew · submitted 2015-10-25 · ✦ hep-ph · astro-ph.HE

Photoproduction total cross section and shower development

F. Cornet (Granada U.&CAFPE) , C. A. Garcia Canal (La Plata U.) , A. Grau (Granada U.&CAFPE) , G. Pancheri (INFN , Frascati) , S. J. Sciutto (La Plata U.) This is my paper
classification ✦ hep-ph astro-ph.HE
keywords crosssectionphotoproductiontotalshowerair-showersairesansatz
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The total photoproduction cross section at ultra-high energies is obtained using a model based on QCD minijets and soft-gluon resummation and the ansatz that infrared gluons limit the rise of total cross sections. This cross section is introduced into the Monte Carlo system AIRES to simulate extended air-showers initiated by cosmic ray photons. The impact of the new photoproduction cross section on common shower observables, especially those related to muon production, is compared with previous results.

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