Jet Production via Strongly-Interacting Color-Singlet Exchange in $p\bar{p}$ Collisions

Details Jet Production via Strongly-Interacting Color-Singlet Exchange in $p\bar{p}$ Collisions Jet Production via Strongly-Interacting Color-Singlet Exchange in $p\bar{p}$ Collisions

1995-09-29

arxiv.org/abs/hep-ex/9509013v1

Phys.Rev.Lett.76:734-739,1996

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages (REVTeX), 3 PS figs (uuencoded/tar compressed, epsf.sty) Complete postscript available at http://d0sgi0.fnal.gov/d0pu

Scientific paper

10.1103/PhysRevLett.76.734

A study of the particle multiplicity between jets with large rapidity separation has been performed using the D{\O}detector at the Fermilab Tevatron $p\bar{p}$ Collider operating at $\sqrt{s}=1.8$ TeV. A significant excess of low-multiplicity events is observed above the expectation for color-exchange processes. The measured fractional excess is $1.07 \pm 0.10({\rm stat})^{+ 0.25}_{- 0.13}({\rm syst})%$, which is consistent with a strongly-interacting color-singlet (colorless) exchange process and cannot be explained by electroweak exchange alone. A lower limit of 0.80% (95% C.L.) is obtained on the fraction of dijet events with color-singlet exchange, independent of the rapidity gap survival probability.

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