Gluon Radiation Patterns in Pomeron Exchange Events

1994/09/01 by D. Zeppenfeld, Zeppenfeld, D.
Physics and Astronomy · #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/9409205

Talk given at the XXVII International Conference on High Energy Physics, Glasgow, Scotland, July 21--27, 1994. Latex file, uses ichep.sty, appended after "\end{document}". Three uufiled postscript figures included. Hardcopies available upon request. MAD/PH/846

Abstract

Color singlet two gluon exchange provides a perturbative model for the pomeron. This mechanism is thought to explain the production of rapidity gaps in hard dijet events at the Tevatron. It is shown that in qQ scattering via two gluon color singlet exchange the emission of soft gluons follows closely the pattern found for t-channel photon exchange. Gluon emission is strongly suppressed between the two quark jets. After hadronization this leads to a depressed level of hadronic activity between the jets and thus allows the formation of rapidity gaps.

Related

• Evidence for a Hard Pomeron in Perturbative QCD
• Hard color singlet BFKL exchange and gaps between jets at the LHC
• The Interpretation of Rapidity Gaps at Hera
• Associated jpsi + gamma production through double Pomeron exchange: The nature of the Pomeron and hard diffractive factorization breaking
• Production of gluon jets in pp collisions by double pomeron exchange in the Landshoff-Nachtmann model