Albrow, M.G.
Dijet Production
DSIG/DET
[1000.0, 2000.0]
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rivet Analysis
Measurement of the cross section for W-boson production in association with jets in ppbar collisions at s**(1/2) = 1.96-TeV

The CDF collaboration Aaltonen, T. ; Adelman, J. ; Akimoto, T. ; et al.
Phys.Rev.D 77 (2008) 011108, 2008.
Inspire Record 768579 DOI 10.17182/hepdata.42714

We present a measurement of the cross section for W-boson production in association with jets in pbarp collisions at sqrt(s)=1.96$ TeV. The analysis uses a data sample corresponding to an integrated luminosity of 320 pb^-1 collected with the CDF II detector. W bosons are identified in their electron decay channel and jets are reconstructed using a cone algorithm. For each W+>= n-jet sample ($n= 1 - 4$) we measure sigma(ppbar =>W+>=n$-jet)x BR(W => e nu) with respect to the transverse energy E_T of the n^th-highest E_T jet above 20 GeV, for a restricted W => e nu decay phase space. The cross sections, corrected for all detector effects, can be directly compared to particle level W+ jet(s) predictions. We present here comparisons to leading order and next-to-leading order predictions.

9 data tables
Table 1

Measured ET differential cross section of the 1st jet in >= 1 JET plus W < E NU > events.

Table 2

Measured ET differential cross section of the 2nd jet in >= 2 JET plus W < E NU > events.

Table 3

Measured ET differential cross section of the 3rd jet in >= 3 JET plus W < E NU > events.

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rivet Analysis
Measurement of the two jet differential cross-section in proton anti-proton collisions at s**(1/2) = 1800-GeV

The CDF collaboration Affolder, T. ; Akimoto, H. ; Akopian, A. ; et al.
Phys.Rev.D 64 (2001) 012001, 2001.
Inspire Record 538041 DOI 10.17182/hepdata.42933

A measurement is presented of the two-jet differential cross section, d^3\sigma/dE_T d\eta_1 d\eta_2, at center of mass energy sqrt{s} = 1800 GeV in proton-antiproton collisions. The results are based on an integrated luminosity of 86 pb^-1 collected during 1994-1995 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 &lt; |eta_1| &lt; 0.7 for four different pseudorapidity bins of a second jet restricted to 0.1 &lt; |\eta_2| &lt; 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.

4 data tables
Table 1

The measured dijet differential cross section with the second jet in the ABS(ETARAP) range 0.1 to 0.7.

Table 2

The measured dijet differential cross section with the second jet in the ABS(ETARAP) range 0.7 to 1.4.

Table 3

The measured dijet differential cross section with the second jet in the ABS(ETARAP) range 1.4 to 2.1.

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