Measurement of the two-jet differential cross section inpp¯collisions ats=1800GeV

Citations Over TimeTop 14% of 2001 papers

Abstract

A measurement is presented of the two-jet differential cross section ${d}^{3}\ensuremath{\sigma}{/dE}_{T}d{\ensuremath{\eta}}_{1}d{\ensuremath{\eta}}_{2}$ at center of mass energy $\sqrt{s}=1800$ GeV in $p\overline{p}$ collisions. The results are based on an integrated luminosity of 86 ${\mathrm{pb}}^{\ensuremath{-}1}$ collected during 1994 to 1995 by the CDF Collaboration at the Fermilab Tevatron collider. The differential cross section is measured as a function of the transverse energy ${E}_{T}$ of a jet in the pseudorapidity region $0.1<|{\ensuremath{\eta}}_{1}|<0.7$ for four different pseudorapidity bins of a second jet restricted to $0.1<|{\ensuremath{\eta}}_{2}|<3.0.$ The results are compared with next-to-leading order QCD calculations determined using the CTEQ4 and MRST sets of parton distribution functions. None of the sets examined in this analysis provides a good description of the data.

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