Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/77353
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Type: Journal article
Title: Search for resonant top quark plus jet production in t(t) over-bar + jets events with the ATLAS detector in pp collisions at √s=7 TeV
Other Titles: Search for resonant top quark plus jet production in t(t) over-bar + jets events with the ATLAS detector in pp collisions at root s=7 TeV
Author: Jackson, P.
White, M.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2012; 86(9):1-20
Publisher: American Physical Soc
Issue Date: 2012
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
G. Aad ... P. Jackson ... et al. (ATLAS Collaboration)
Abstract: This paper presents a search for a new heavy particle produced in association with a top or antitop quark. Two models in which the new heavy particle is a color singlet or a color triplet are considered, decaying, respectively, to t̅q or tq, leading to a resonance within the tt̅ +jets signature. The full 2011 ATLAS pp collision data set from the LHC (4.7  fb⁻¹) is used to search for tt̅ events produced in association with jets, in which one of the W bosons from the top quarks decays leptonically and the other decays hadronically. The data are consistent with the Standard Model expectation, and a new particle with mass below 430 Gev for both W′ boson and color triplet models is excluded at 95% confidence level, assuming unit right-handed coupling.
Rights: © 2012 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0020126662
DOI: 10.1103/PhysRevD.86.091103
Appears in Collections:Chemistry and Physics publications

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