Measurement of trilinear gauge boson couplings from at {\boldmath$\sqrt{s}=1.96$} TeV

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We present a direct measurement of trilinear gauge boson couplings at gammaWW and ZWW vertices in WW and WZ events produced in p{bar p} collisions at {radical}s = 1.96 TeV. We consider events with one electron or muon, missing transverse energy, and at least two jets. The data were collected using the D0 detector and correspond to 1.1 fb{sup -1} of integrated luminosity. Considering two different relations between the couplings at the gammaWW and ZWW vertices, we measure these couplings at 68% C.L. to be kappa{sub gamma} = 1.07{sub -0.29}{sup +0.26}, lambda = 0.00{sub -0.06}{sup +0.06}, and g{sub 1}{sup Z} ... continued below

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14 pages

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Abazov, Victor Mukhamedovich; Abbott, Braden Keim; Abolins, Maris A.; Acharya, Bannanje Sripath; Adams, Mark Raymond; Adams, Todd et al. July 1, 2009.

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We present a direct measurement of trilinear gauge boson couplings at gammaWW and ZWW vertices in WW and WZ events produced in p{bar p} collisions at {radical}s = 1.96 TeV. We consider events with one electron or muon, missing transverse energy, and at least two jets. The data were collected using the D0 detector and correspond to 1.1 fb{sup -1} of integrated luminosity. Considering two different relations between the couplings at the gammaWW and ZWW vertices, we measure these couplings at 68% C.L. to be kappa{sub gamma} = 1.07{sub -0.29}{sup +0.26}, lambda = 0.00{sub -0.06}{sup +0.06}, and g{sub 1}{sup Z} = 1.04{sup -0.09}{sup +0.09} in a scenario respecting SU(2){sub L}[direct-product]U(1){sub Y} gauge symmetry and kappa = 1.04{sub -0.11}{sup +0.11} and lambda=0.00{sub -0.06}{sup +0.06} in an 'equal couplings' scenario.

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14 pages

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  • Journal Name: Phys. Rev. D 80, 053012 (2009); Journal Volume: 80; Journal Issue: 5

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  • Report No.: FERMILAB-PUB-09-376-E
  • Grant Number: AC02-07CH11359
  • DOI: 10.1103/PhysRevD.80.053012 | External Link
  • Office of Scientific & Technical Information Report Number: 965017
  • Archival Resource Key: ark:/67531/metadc935388

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  • July 1, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • July 25, 2017, 11:43 a.m.

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Abazov, Victor Mukhamedovich; Abbott, Braden Keim; Abolins, Maris A.; Acharya, Bannanje Sripath; Adams, Mark Raymond; Adams, Todd et al. Measurement of trilinear gauge boson couplings from at {\boldmath$\sqrt{s}=1.96$} TeV, article, July 1, 2009; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc935388/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.