Finding the charge of the top quark in the dilepton channel

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There is a question about the identity of the top quark. Is it the top quark of the Standard Model (SM) with electric charge 2/3 or is it an exotic quark with charge -4/3? An exotic quark has been proposed by D. Chang et al. [1]. This analysis will use the standard CDF run II dilepton sample. The key ingredients of this analysis are the correct pairing of the lepton and b-jet, the determination of the charge of the b-jet. The analysis proceeds by using a binomial distribution and is formulated so that rejecting one hypothesis means support for the ... continued below

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3 pages

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Beretvas, A.; Antos, J.; Chen, Y.C.; Gunay, Z.; Sorin, V.; Tollefson, K. et al. August 1, 2006.

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Description

There is a question about the identity of the top quark. Is it the top quark of the Standard Model (SM) with electric charge 2/3 or is it an exotic quark with charge -4/3? An exotic quark has been proposed by D. Chang et al. [1]. This analysis will use the standard CDF run II dilepton sample. The key ingredients of this analysis are the correct pairing of the lepton and b-jet, the determination of the charge of the b-jet. The analysis proceeds by using a binomial distribution and is formulated so that rejecting one hypothesis means support for the other hypothesis.

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3 pages

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  • Presented at Symposium on Hadron Collider Physics 2006 (HCP 2006), Durham, North Carolina, 22-26 May 2006

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  • Report No.: FERMILAB-CONF-06-251-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 892480
  • Archival Resource Key: ark:/67531/metadc883505

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  • August 1, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 28, 2016, 4:20 p.m.

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Beretvas, A.; Antos, J.; Chen, Y.C.; Gunay, Z.; Sorin, V.; Tollefson, K. et al. Finding the charge of the top quark in the dilepton channel, article, August 1, 2006; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc883505/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.