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The proton inelastic cross section at ultrahigh energies

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arxiv 2012.07970 v1 pith:52FLWDPH submitted 2020-12-14 hep-ph

The proton inelastic cross section at ultrahigh energies

classification hep-ph
keywords energiescrossdifferencesinelasticschemesalmostanalyticbecoming
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the consequences of high-energy collider data on the best fits to total, elastic, and inelastic cross sections for $pp$ and $p\bar{p}$ scattering using two very distinct unitarisation schemes: the eikonal and the $U$-matrix. Despite their analytic differences, we find that the two schemes lead to almost identical predictions up to EeV energies, with differences only becoming significant at GUT-scale and higher energies.

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