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Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at [sqrt]s=7  TeV

Author(s)
Alver, Burak Han; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Dutta, Valentina; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Kim, Y.; Klute, Markus; Li, W.; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Xie, Si; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Lee, Yen-Jie; Loizides, Constantinos; Roland, Christof E; Rudolph, Matthew Scott; Stoeckli, Fabian; Wolf, Roger; Yang, Mingming; Bauer, Gerry P; Luckey Jr, P David; Roland, Gunther M; Sumorok, Konstanty C; Harris, Philip Coleman; ... Show more Show less
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Alternative title
Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at √s=7  TeV
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Electroweak production of the top quark is measured for the first time in pp collisions at √s=7  TeV, using a data set collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 36  pb-1. With an event selection optimized for t-channel production, two complementary analyses are performed. The first one exploits the special angular properties of the signal, together with background estimates from the data. The second approach uses a multivariate analysis technique to probe the compatibility with signal topology expected from electroweak top-quark production. The combined measurement of the cross section is 83.6±29.8(stat+syst)±3.3(lumi)  pb, consistent with the standard model expectation.
Date issued
2011-08
URI
http://hdl.handle.net/1721.1/69017
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Chatrchyan, S. et al. (CMS Collaboration). "Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at √s=7  TeV." Physical Review Letters, 107, 091802 (2011) [15 pages]. © 2011 CERN, for the CMS Collaboration.
Version: Final published version
ISSN
0031-9007

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