Is BFKL ruled out by the Tevatron gaps between jets data ?

Details Is BFKL ruled out by the Tevatron gaps between jets data ? Is BFKL ruled out by the Tevatron gaps between jets data ?

1999-12-23

arxiv.org/abs/hep-ph/9912489v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 5 figures. Talk given at the Tevatron Run 2 QCD and Weak Boson Physics workshop, Nov 4-6 1999

Scientific paper

We have performed a detailed phenomenological investigation of the hard colour singlet exchange process observed at the Tevatron in events that have a large rapidity gap between outgoing jets. We include the effects of multiple interactions to obtain a prediction for the gap survival factor. Comparing the data on the fraction of gap events with the prediction from BFKL pomeron exchange we find agreement provided that a constant value of alpha_s is used in the BFKL calculation. Moreover, the value of alpha_s is in line with that extracted from measurements made at HERA.

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