1995/06/07 by J. M. Butterworth, J. R. Forshaw, Butterworth, J. M. +10
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/9506259
7 pages, latex, 3 figures appended as uuencoded file Talk given by J.M. Butterworth at Photon '95, Sheffield, U.K., April 8-13, 1995. Postscript available at http://zow00.desy.de:8000/~butterwo/pubs.html#Photon95_2
arxiv created 1995/06/07 · openalex publication_date 1995/06/07 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
At e+e- and ep colliders, the large fluxes of almost on-shell photons accompanying the lepton beams lead to the photoproduction of jets. As the centre-of-mass energy is increased, regions of smaller x in the parton densities are explored and these are regions of high parton density. As a result, the probability for more than one hard partonic scattering occurring in a single γγ or γp collision can become significant. This effect has been simulated using an eikonal prescription combined with the HERWIG Monte Carlo program. The possible effects of multiple hard interactions on event shapes and jet cross sections have been studied in this framework at a range of energies relevant to HERA and LEPII. The results indicate that the effects could be significant.