Coulomb Interference in High-Energy pp and pbar p Scattering

Details Coulomb Interference in High-Energy pp and pbar p Scattering Coulomb Interference in High-Energy pp and pbar p Scattering

2002-06-03

arxiv.org/abs/hep-ph/0206012v1

Eur.Phys.J.C28:525-533,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 16 figures

Scientific paper

10.1140/epjc/s2003-01191-7

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 Coulomb phase evaluation give approximately uniform result at all energies and the difference is negligible at RHIC and LHC energies. We show that the use of the amplitude which was fitted to accomodate nucleon data only (in the region 0.01 < |t| < 14.5 (GeV^2)) combined with the Coulomb amplitude, reproduces the existing data in the Coulomb interference domain quite accurately without any adjustement 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.

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