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Measurement of the pp(-)-> W gamma plus X cross section at root s=1.96 TeV and WW gamma anomalous coupling limits
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2005 (English)In: Physical Review D, ISSN 1550-7998, Vol. 71, no 9, 091108- p.Article in journal (Refereed) Published
Abstract [en]

The WW gamma triple gauge boson coupling parameters are studied using p (p) over bar -> l nu gamma + X(l = e, mu) events at root s = 1.96 TeV. The data were collected with the D0 detector from an integrated luminosity of 162 pb(-1) delivered by the Fermilab Tevatron Collider. The cross section times branching fraction for p (p) over bar -> W(gamma) + X -> l nu gamma + X with E-T(gamma) > 8 GeV and Delta R-l gamma > 0.7 is 14.8 +/- 1.6(stat) +/- 1.0(syst) +/- 1.0(lum) pb. The one-dimensional 95% confidence level limits on anomalous couplings are -0.88 < Delta kappa(gamma) < 0.96 and -0.20 < lambda(gamma) < 0.20.

Place, publisher, year, edition, pages
2005. Vol. 71, no 9, 091108- p.
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Physical Sciences
URN: urn:nbn:se:kth:diva-37785DOI: 10.1103/PhysRevD.71.091108ISI: 000229440300008ScopusID: 2-s2.0-33749159346OAI: diva2:435206
Available from: 2011-08-17 Created: 2011-08-17 Last updated: 2012-02-02Bibliographically approved

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Clément, ChristopheGollub, NilsStrandberg, Jonas
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