Coulomb interference in high-energy pp and p̄p scattering

V. A. Petrov, E. Predazzi, A. Prokudin

Research output: Contribution to journalReview article

39 Scopus citations

Abstract

An analysis of the Coulombic amplitude and its interference with the nuclear amplitude which is driven by the three-component pomeron is presented. It is shown that different approaches towards the evaluation of the Coulomb phase give approximately uniform results at all energies and the differences are negligible at RHIC and LHC energies. We show that the use of the amplitude which was fitted to accommodate the nucleon data only (in the region 0.01 ≤ |t| ≤ 14.5 (GeV2)), combined with the Coulomb amplitude, reproduces the existing data in the Coulomb interference domain quite accurately without any adjustment of the parameters. As a consequence, we predict the differential cross section in the region of the Coulomb nucleon interference for both RHIC and LHC energies.

Original languageEnglish (US)
Pages (from-to)525-533
Number of pages9
JournalEuropean Physical Journal C
Volume28
Issue number4
DOIs
StatePublished - Jun 1 2003

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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