We have performed a first-order QCD calculation to evaluate a possible contribution of large-Q02 scattering to the pp̄/pp total inelastic cross-section difference at the CERN intersecting storage rings (ISR). We found that at s=31 GeV and for Q2≳6 GeV2 there is a small (a few microbarns, but definitely not 0) difference in favour of the pp̄ reaction. This effect is confined to the central rapidity region (|y|≲1) and diminishes with increasing centre-of-mass energy. © 1985.
Contribution of Hard Qcd Interactions To the Ppbar-pp Total Inelastic Cross-section Difference At the Cern Isr Energies
TRIPICCIONE, Raffaele
1985
Abstract
We have performed a first-order QCD calculation to evaluate a possible contribution of large-Q02 scattering to the pp̄/pp total inelastic cross-section difference at the CERN intersecting storage rings (ISR). We found that at s=31 GeV and for Q2≳6 GeV2 there is a small (a few microbarns, but definitely not 0) difference in favour of the pp̄ reaction. This effect is confined to the central rapidity region (|y|≲1) and diminishes with increasing centre-of-mass energy. © 1985.File in questo prodotto:
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