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Measurement of color flow in t(t)over-bar events from p(p)over-bar collisions at √s=1.96 TeV
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SYSNO ASEP 0367904 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of color flow in t(t)over-bar events from p(p)over-bar collisions at √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 425 Source Title Physical Review D: Particles, Fields, Gravitation and Cosmology. - : American Physical Society - ISSN 1550-7998
Roč. 83, č. 9 (2011), "092002-1"-"092002-7"Number of pages 7 s. Language eng - English Country US - United States Keywords D0 ; Tevatron ; lepton ; jet ; bottom 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 000290440300001 DOI 10.1103/PhysRevD.83.092002 Annotation We present the first measurement of the color representation of the hadronically decaying W boson in ttbar events, from 5.3fb-1 of integrated luminosity collected with the D0 experiment. A novel calorimeter-based vectorial variable, “jet pull,” is used, sensitive to the color-flow structure of the final state. We find that the fraction of uncolored W bosons is 0.56±0.42(stat+syst), in agreement with the standard model. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2013
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