Search for electroweak single top quark production in 1.96-TeV proton-antiproton collisions

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This thesis describes the first search for electroweak single top quark production in proton-antiproton collisions at a center of mass energy of 1.96 TeV. The data sample used for this analysis corresponds to 162 pb{sup -1} recorded by the upgraded Collider Detector at Fermilab. The search is performed by doing a classic maximum likelihood fit to the H{sub T} distribution in data. The kinematic variable H{sub T} is the scalar sum of transverse energies of all final state particles in the event. This variable has the advantage that its distribution looks very similar for both contributing (s-channel and t-channel) single ... continued below

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143 pages

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Stelzer, Bernd & U., /Toronto January 1, 2005.

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This thesis describes the first search for electroweak single top quark production in proton-antiproton collisions at a center of mass energy of 1.96 TeV. The data sample used for this analysis corresponds to 162 pb{sup -1} recorded by the upgraded Collider Detector at Fermilab. The search is performed by doing a classic maximum likelihood fit to the H{sub T} distribution in data. The kinematic variable H{sub T} is the scalar sum of transverse energies of all final state particles in the event. This variable has the advantage that its distribution looks very similar for both contributing (s-channel and t-channel) single top processes, but is different for background processes. The combination of both channels to one signal improves the sensitivity of the search. No significant evidence for electroweak single top quark production is found and we set an upper limit at the 95% confidence level on the combined single top quark production cross section of 17.8 pb.

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143 pages

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  • Report No.: FERMILAB-THESIS-2005-79
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/897064 | External Link
  • Office of Scientific & Technical Information Report Number: 897064
  • Archival Resource Key: ark:/67531/metadc882820

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 2005

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 8:59 p.m.

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Stelzer, Bernd & U., /Toronto. Search for electroweak single top quark production in 1.96-TeV proton-antiproton collisions, thesis or dissertation, January 1, 2005; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc882820/: accessed November 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.