Search for New Particles in the Two-Jet Decay Channel with the D0 Detector

Details Search for New Particles in the Two-Jet Decay Channel with the D0 Detector Search for New Particles in the Two-Jet Decay Channel with the D0 Detector

2003-08-13

arxiv.org/abs/hep-ex/0308033v1

Phys.Rev.D69:111101,2004

Physics

High Energy Physics

High Energy Physics - Experiment

13 Pages, 5 figures

Scientific paper

10.1103/PhysRevD.69.111101

We present the results of a search for the production of new particles decaying into two jets in pbarp collisions at sqrt{s} = 1.8 TeV, using the DZero 1992-1995 data set corresponding to 109 pb^-1. We exclude at the 95% confidence level the production of excited quarks (q*) with masses below 775 GeV/c^2, the most restictive limit to date. We also exclude standard-model-like W' (Z') bosons with masses between 300 and 800 GeV/c^2 (400 and 640 GeV/c^2). A W' boson with mass $<$ 300 GeV/c^2 has been excluded by previous measurements, and our lower limit is therefore the most stringent to date.

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