Rapidity gap physics at contemporary colliders

Details Rapidity gap physics at contemporary colliders Rapidity gap physics at contemporary colliders

2003-11-17

arxiv.org/abs/hep-ph/0311210v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

PhD Thesis (Supervisor: M.H. Seymour), 173 pages

Scientific paper

This thesis is concerned with the theory and the phenomenology of rapidity gap processes. We perform perturbative calculations of energy flow observables in jet-gap-jet processes, which consist of resummed primary emission calculations specific to the soft gluon geometry at HERA and an estimate of non-global (secondary emission) effects in clustered energy flow observables. The resulting predictions agree well with H1 data. We also study hard diffraction and use a factorised model, with a Monte Carlo event generator, to make detailed predictions for gap-jet-gap events at the Tevatron. We find that we can describe the data in a natural way by using HERA parton densities and a gap surivial factor consistent with theoretical estimates.

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