Measurement of the Top Quark Pair Production Cross Section in the All-jets Decay Channel

Details Measurement of the Top Quark Pair Production Cross Section in the All-jets Decay Channel Measurement of the Top Quark Pair Production Cross Section in the All-jets Decay Channel

1999-01-15

arxiv.org/abs/hep-ex/9901023v1

Phys.Rev.Lett.83:1908-1913,1999

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 3 figures; no substative change in revision

Scientific paper

10.1103/PhysRevLett.83.1908

We present a measurement of tbar-t production using multijet final states in pbar-p collisions at a center-of-mass energy of 1.8 TeV, with an integrated luminosity of 110.3 pb(-1). The analysis has been optimized using neural networks to achieve the smallest expected fractional uncertainty on the tbar-t production cross section, and yields a cross section of 7.1 +/- 2.8(stat.) +/- 1.5(syst.) pb, assuming a top quark mass of 172.1 GeV/c^(2). Combining this result with previous D0 measurements, where one or both of the W bosons decay leptonically, gives a tbar-t production cross section of 5.9 +/- 1.2(stat) +/- 1.1(syst) pb.

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