Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/101863
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Type: | Journal article |
Title: | Search for single b*-quark production with the ATLAS detector at √s = 7 TeV |
Other Titles: | Search for single b*-quark production with the ATLAS detector at root s = 7 TeV |
Author: | ATLAS Collaboration, Aad, G. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 2013; 721(4-5):171-189 |
Publisher: | Elsevier |
Issue Date: | 2013 |
ISSN: | 0370-2693 1873-2445 |
Statement of Responsibility: | G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni … M.J. White … et al. (ATLAS Collaboration) |
Abstract: | The results of a search for an excited bottom-quark b∗ in pp collisions at √ s = 7 TeV, using 4.7 fb −1 of data collected by the ATLAS detector at the LHC are presented. In the model studied, a single b∗-quark is produced through a chromomagnetic interaction and subsequently decays to a W boson and a top quark. The search is performed in the dilepton and lepton+jets final states, which are combined to set limits on b∗-quark couplings for a range of b∗-quark masses. For a benchmark with unit size chromomagnetic and Standard Model-like electroweak b∗ couplings, b∗ quarks with masses less than 870 GeV are excluded at the 95% credibility level. |
Keywords: | ATLAS; b*; single top-quark; excited quark |
Rights: | © 2013 CERN. Published by Elsevier B.V. Open access under CC BY-NC-ND license. |
DOI: | 10.1016/j.physletb.2013.03.016 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1016/j.physletb.2013.03.016 |
Appears in Collections: | Aurora harvest 7 Chemistry and Physics publications |
Files in This Item:
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hdl_101863.pdf | Published version | 1.21 MB | Adobe PDF | View/Open |
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