Measurement of the ttbar cross section using high-multiplicity jet events

Details Measurement of the ttbar cross section using high-multiplicity jet events Measurement of the ttbar cross section using high-multiplicity jet events

2009-11-22

arxiv.org/abs/0911.4286v1

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to Phys. Rev. D. (16 pages with 14 figures)

Scientific paper

We present a measurement of the ttbar cross section using high-multiplicity jet events produced in ppbar collisions at sqrt{s}=1.96 TeV. These data were recorded at the Fermilab Tevatron collider with the D0 detector. Events with at least six jets, two of them identified as b jets, were selected from a 1 fb-1 data set. The measured cross section, assuming a top quark mass of 175 GeV/c^2, is 6.9 \pm 2.0 pb, in agreement with theoretical expectations.

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