Proton-proton cross-sections: the interplay between density and radius
arXiv:1107.0912 · doi:10.1016/j.nuclphysa.2012.02.019
Abstract
We argue that there are two mechanisms responsable for the growth of high energy cross-sections - σ_{tot} and σ_{el}, say - in pp collisions. One is by the increase of matter \emph{density}, resulting in the black disk saturation. The other is by exclusively radial expansion affecting the periphery of the overlap area. Within this simple model we can reproduce all available data in pp from ISR to LHC. In order to achieve a fast growth in the very high energy cosmic ray energies, we propose a fast black disk saturation followed by the dominance of geometric scaling (GS).
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Cited by in corpus (7)
- A model for the transport of muons in extensive air showers
- Total Hadronic Cross Section and the Elastic Slope: An Almost Model-Independent Connection
- Muon production and string percolation effects in cosmic rays at the highest energies
- The black disk and the dip in the differential elastic cross section at asymptotic energy
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- Sensitivity to primary composition and hadronic models from average shape of high energy cosmic ray shower profiles