Abstract
The electromagnetic (EM) 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 EM and strong amplitudes show that within the kinematic range where the leading twist approximation for the strong amplitude is applicable, the EM contribution can be neglected. In (Formula presented) scattering at the CERN Large Hadron Collider (LHC) and in the fragmentation of a photon into two jets in ultraperipheral (Formula presented) collisions in the black limit (which may be realistic at the LHC) the EM contribution may win.
| Original language | English |
|---|---|
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 67 |
| Issue number | 1 |
| DOIs | |
| State | Published - 27 Jan 2003 |
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