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Search for new particles in the two-jet decay channel with the DØ detector

Bertram, I.A. and Abazov, V.M. and Abbott, B. and Fox, H. (2004) Search for new particles in the two-jet decay channel with the DØ detector. Physical Review D, 69 (11). pp. 11101-11105. ISSN 1550-7998

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Abstract

We present the results of a search for the production of new particles decaying into two jets in p̅ p collisions at sqrt[s]=1.8 TeV, using the DØ 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/c2, the most restrictive limit to date. We also exclude standard-model-like W′ (Z′) bosons with masses between 300 and 800 GeV/c2 (400 and 640 GeV/c2). A W′ boson with mass <786 GeV/c2 has been excluded by previous measurements, and our lower limit is therefore the most stringent to date.

Item Type: Article
Journal or Publication Title: Physical Review D
Additional Information: Bertram developed all the analysis techniques and he wrote the paper after sharing the analysis with a US student. The world's best limits were set on the production of many particle types, constraining new physics models. RAE_import_type : Journal article RAE_uoa_type : Physics
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 2311
Deposited By: ep_importer
Deposited On: 02 Apr 2008 15:39
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:09
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/2311

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