Coulomb induced diffraction of energetic hadrons into jets

Details Coulomb induced diffraction of energetic hadrons into jets Coulomb induced diffraction of energetic hadrons into jets

2002-08-27

arxiv.org/abs/hep-ph/0208252v1

Phys.Rev. D67 (2003) 017502

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages

Scientific paper

10.1103/PhysRevD.67.017502

The electromagnetic (e.m.) current conservation and renormalizability of QCD are used to calculate the amplitude of energetic hadron(photon) diffraction into several jets with large relative transverse momenta off the nucleon(nucleus) Coulomb field. Numerical estimates of the ratio of e.m. and strong amplitudes show that within the kinematic range where the leading twist approximation for the strong amplitude is applicable, the e.m. contribution can be neglected. In pA scattering at LHC and in the fragmentation of a photon into two jets in ultraperipheral AA collisions in the black limit (which maybe realistic at LHC) e.m. contribution may win.

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