Measurement of the single top quark production cross section and |V[subscript tb]| in 1.96 TeV p[bar over p] collisions with missing transverse energy and jets and final CDF combination
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PhysRevD.93.032011.pdf
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Author(s)
Aaltonen, T.
Amerio, S.
Amidei, D.
Anastassov, A.
Annovi, A.
Antos, J.
Apollinari, G.
Appel, J. A.
Arisawa, T.
Artikov, A.
Date Issued
February 2016
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaltonen, T., S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, et al. “Measurement of the Single Top Quark Production Cross Section and |V[subscript tb]| in 1.96 TeV p[bar over p] collisions with Missing Transverse Energy and Jets and Final CDF Combination.” Phys. Rev. D 93, no. 3 (February 26, 2016).
Version
Final published version
Abstract
An updated measurement of the single top quark production cross section is presented using the full data set collected by the Collider Detector at Fermilab (CDF), corresponding to 9.5 fb[superscript -1] of integrated luminosity from proton-antiproton collisions at 1.96 TeV center-of-mass energy. The events selected contain an imbalance in the total transverse momentum, jets identified as containing b quarks, and no identified leptons. The sum of the s- and t-channel single top quark cross sections is measured to be 3.53[+1.25 over -1.16] pb and a lower limit on the magnitude of the top-to-bottom quark coupling, |V[subscript tb]| of 0.63, is obtained at the 95% credibility level. These measurements are combined with previously reported CDF results obtained from events with an imbalance in total transverse momentum, jets identified as originating from b quarks, and one identified lepton. The combined cross section is measured to be 3.02[+0.49 over -0.48] pb and a lower limit on |V[subscript tb]| of 0.84 is obtained at the 95% credibility level.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.93.032011
