Title
Evidence for associated production of a single top quark and W boson in pp collisions <tex>$\sqrt{s}=7TeV$</tex> Evidence for associated production of a single top quark and W boson in pp collisions <tex>$\sqrt{s}=7TeV$</tex>
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
110(2013) :2 , p. 1-16
ISSN
0031-9007
Article Reference
022003
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Evidence is presented for the associated production of a single top quark and W boson in pp collisions at root s = 7 TeV with the CMS experiment at the LHC. The analyzed data correspond to an integrated luminosity of 4.9 fb(-1). The measurement is performed using events with two leptons and a jet originated from a b quark. A multivariate analysis based on kinematic properties is utilized to separate the t (t) over bar background from the signal. The observed signal has a significance of 4.0 sigma and corresponds to a cross section of 16(-4)(+5) pb, in agreement with the standard model expectation of 15.6 +/- 0.4(-1.2)(+1.0) pb. DOI: 10.1103/PhysRevLett.110.022003
Full text (open access)
https://repository.uantwerpen.be/docman/irua/a1fc81/5046.pdf
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