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Article overview
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Asymptotic regime for hadron-hadron diffractive collisions at ultrahigh energies | | V.V. Anisovich
; V.A. Nikonov
; J. Nyiri
; | | Date: |
10 Oct 2013 | | Abstract: | Using the pre-LHC and LHC data for $pi p$ and $pp$ diffractive collisions we
study the ultrahigh energy asymptotic regime in the framework of the black disk
picture. The black disk picture, being constrained by the s-channel unitarity
condition and the $t$-channel analyticity, gives rather definite predictions
for diffractive processes increasing with the energy. To deal with the data, we
consider the Dakhno-Nikonov eikonal model which predicts a growth of the
$ln^2s$ type for total and elastic cross sections and $( au={f
q}_perp^2ln^2s)$-scaling for diffractive scattering and diffractive
dissociation of hadrons. According to the calculations, ultrahigh energy
asymptotic characteristics of diffractive and total cross sections are
universal, and this results in the asymptotic equality of cross sections for
all types of hadrons. We estimate the energy scale of the asymptotics in
different processes. The manifestation of the asymptotic regime in hadron
fragmentation reactions is discussed. | | Source: | arXiv, 1310.2839 | | Services: | Forum | Review | PDF | Favorites | |
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