Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-06-30
Phys.Rev.Lett. 81 (1998) 3591-3594
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, LaTeX, 2 epsi figures
Scientific paper
10.1103/PhysRevLett.81.3591
When rapidity gaps in high-$p_T$ dijet events are identified by energy flow in the central region, they may be calculated from factorized cross sections in perturbative QCD, up to corrections that behave as inverse powers of the central region energy. Although power-suppressed corrections may be important, a perturbative calculation of dijet rapidity gaps in ${\rm p}\bar{\rm p}$ scattering successfully reproduces the overall features observed at the Tevatron. In this formulation, the average color content of the hard scattering is well-defined. We find that hard dijet rapidity gaps in quark-antiquark scattering are not due to singlet exchange alone.
Oderda Gianluca
Sterman George
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