Events with a Rapidity Gap between Jets in p¯p Collisions at √s=630 GeV
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We report a measurement of the fraction of dijet events with a rapidity gap between jets produced by color-singlet exchange in pp collisions at √s=630GeV at the Fermilab Tevatron. In events with two jets of transverse energy EjetT > 8GeV, pseudorapidity in the range 1.8 <|ηjet|< 3.5 and η1η2<0, the color-singlet exchange fraction is found to be R=[2.7 ±0.7(stat)±0.6(syst)]%. Comparisons are made with results obtained at √s=1800GeV and with theoretical expectations. © 1998 The American Physical Society.
author list (cited authors)
Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amadon, A., Amendolia, S. R., ... Zucchelli, S.