Soft gluon radiation and energy dependence of total hadronic cross-sections

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dc.creatorGodbole, R. M.
dc.creatorGrau, A.
dc.creatorPancheri, G.
dc.creatorSrivastava, Y. N.
dc.date2004-08-31
dc.date2005-09-28
dc.date.accessioned2026-07-07T11:43:30Z
dc.date.available2026-07-07T11:43:30Z
dc.descriptionAn impact parameter representation for soft gluon radiation is applied to obtain both the initial decrease of the total cross-section ($σ_{tot}$) for proton-proton collisions as well as the later rise of $σ_{tot}$ with energy for both $pp$ and $p\bar{p}$. The non-perturbative soft part of the eikonal includes only limited low energy gluon emission and leads to the initial decrease in the proton-proton cross- section. On the other hand, the rapid rise in the hard, perturbative jet part of the eikonal is tamed into the experimentally observed mild increase by soft gluon radiation whose maximum energy rises slowly with energy.
dc.description30 pages, 6 figures. Version accepted for publication in Physical Review D. Additional section with explanatory material added making the paper more self contained and two figures changed to have a complete summary of the available accelerator data
dc.identifierhttps://arxiv.org/abs/hep-ph/0408355
dc.identifierhttp://arxiv.org/abs/hep-ph/0408355
dc.identifierPhys.Rev.D72:076001,2005
dc.identifierdoi:10.1103/PhysRevD.72.076001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201259
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSoft gluon radiation and energy dependence of total hadronic cross-sections
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