Measurement of the t tbar cross section at the Run II Tevatron using Support Vector Machines

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This dissertation measures the t{bar t} production cross section at the Run II CDF detector using data from early 2001 through March 2007. The Tevatron at Fermilab is a p{bar p} collider with center of mass energy {radical}s = 1.96 TeV. This data composes a sample with a time-integrated luminosity measured at 2.2 {+-} 0.1 fb{sup -1}. A system of learning machines is developed to recognize t{bar t} events in the 'lepton plus jets' decay channel. Support Vector Machines are described, and their ability to cope with a multi-class discrimination problem is provided. The t{bar t} production cross section is ... continued below

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419 pages

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Whitehouse, Benjamin Eric & U., /Tufts August 1, 2010.

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This dissertation measures the t{bar t} production cross section at the Run II CDF detector using data from early 2001 through March 2007. The Tevatron at Fermilab is a p{bar p} collider with center of mass energy {radical}s = 1.96 TeV. This data composes a sample with a time-integrated luminosity measured at 2.2 {+-} 0.1 fb{sup -1}. A system of learning machines is developed to recognize t{bar t} events in the 'lepton plus jets' decay channel. Support Vector Machines are described, and their ability to cope with a multi-class discrimination problem is provided. The t{bar t} production cross section is then measured in this framework, and found to be {sigma}{sub t{bar t}} = 7.14 {+-} 0.25 (stat){sub -0.86}{sup +0.61}(sys) pb.

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419 pages

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  • Report No.: FERMILAB-THESIS-2010-61
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/1007267 | External Link
  • Office of Scientific & Technical Information Report Number: 1007267
  • Archival Resource Key: ark:/67531/metadc846445

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 30, 2016, 3:30 p.m.

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Whitehouse, Benjamin Eric & U., /Tufts. Measurement of the t tbar cross section at the Run II Tevatron using Support Vector Machines, thesis or dissertation, August 1, 2010; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc846445/: accessed June 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.