Interjet Rapidity Gaps in Perturbative QCD

Details Interjet Rapidity Gaps in Perturbative QCD Interjet Rapidity Gaps in Perturbative QCD

1999-10-20

arxiv.org/abs/hep-ph/9910414v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 epsi figure. Talk presented at QCD and Multiparticle Production, XXIX International Symposium on Multiparticle Dyna

Scientific paper

We discuss a formalism in which high-$p_T$ dijet rapidity gaps are identified by energy flow in the interjet region. When the gap energy, $Q_{\rm gap}$, is sufficiently large, the cross section may be computed from standard factorization theorems. For $p_T\gg Q_T\gg\Lambda_{\rm QCD}$, this is a two-scale perturbative problem, in which we may resum logarithms of $Q_{\rm gap}/p_T$. The cross section computed as a function of $Q_{\rm gap}$ reproduces many of the features of the Tevatron dijet gap data. The factorized cross section gives meaning to the color content of the hard scattering.

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