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Search for single vectorlike quarks in ppbar collisions at sqrt(s) = 1.96 TeV
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SYSNO ASEP 0367570 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Search for single vectorlike quarks in ppbar collisions at sqrt(s) = 1.96 TeV Author(s) Abazov, V. M. (RU)
Abbott, B. (US)
Acharya, B.S. (IN)
Kupčo, Alexander (FZU-D) RID, ORCID
Lokajíček, Miloš (FZU-D) RID, ORCIDNumber of authors 429 Source Title Physical Review Letters. - : American Physical Society - ISSN 0031-9007
Roč. 106, č. 8 (2011), "081801-1"-"081801-7"Number of pages 7 s. Language eng - English Country US - United States Keywords Tevatron ; D0 ; anti-p p ; quark ; mass Subject RIV BF - Elementary Particles and High Energy Physics R&D Projects LA08047 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100502 - FZU-D (2005-2011) UT WOS 000287587900006 DOI 10.1103/PhysRevLett.106.081801 Annotation We present a search for hypothetical vectorlike quarks in p (p) over bar collisions at root s = 1.96 TeV. The data were collected by the D0 detector at the Fermilab Tevatron Collider and correspond to an integrated luminosity of 5.4 fb(-1). We select events with a final state composed of a W or Z boson and a jet consistent with a heavy object decay. We observe no significant excess in comparison to the background prediction and set limits on production cross sections for vectorlike quarks decaying to W + jet and Z + jet. These are the most stringent limits to date for electroweak single vectorlike quark production at hadron colliders. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2013
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