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Measurement of the pp¯Wγ+X cross section at s=1.96 TeV and WWγ anomalous coupling limits

V. M. Abazov et al. (D0 Collaboration)
Phys. Rev. D 71, 091108(R) – Published 26 May 2005

Abstract

The WWγ triple gauge boson coupling parameters are studied using pp¯νγ+X(=e,μ) events at s=1.96 TeV. The data were collected with the D0 detector from an integrated luminosity of 162pb1 delivered by the Fermilab Tevatron Collider. The cross section times branching fraction for pp¯W(γ)+Xνγ+X with ETγ>8 GeV and ΔRγ> 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<Δκγ<0.96 and 0.20<λγ<0.20.

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  • Received 30 March 2005

DOI:https://doi.org/10.1103/PhysRevD.71.091108

©2005 American Physical Society

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Vol. 71, Iss. 9 — 1 May 2005

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