RAPIDITY GAPS BETWEEN JETS IN PP COLLISIONS AT S=1.8 TEV

First experimental results are presented from a search for events with a rapidity gap between jets. The D0 detector was used to examine events produced by the Fermilab Tevatron pp¯ collider at √s =1.8 TeV. The fraction of events with an observed rapidity gap between the two highest transverse energy (E T ) jets is measured as a function of the pseudorapidity separation between the jet edges (Δ η c ). An upper limit at the 95% confidence level of 1.1x10 -2 is obtained on the fraction of events with non particles between the jets, for events with Δ η c >3 and jet E T greater than 30 GeV.