Measurement of the WWγ gauge boson couplings in pp̅ collisions at √s=1.8 TeV

Abachi, S. ; Narasimham, V. S. ; et., al (1995) Measurement of the WWγ gauge boson couplings in pp̅ collisions at √s=1.8 TeV Physical Review Letters, 75 (6). pp. 1034-1039. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v75/i6/p1034_1

Related URL: http://dx.doi.org/10.1103/PhysRevLett.75.1034

Abstract

The WWγ gauge boson couplings were measured using pp̅→lνγ+X (l=e,μ) events at √s=1.8 TeV observed with the D0 detector at the Fermilab Tevatron Collider. The signal, obtained from the data corresponding to an integrated luminosity of 13.8 pb-1, agrees well with the standard model prediction. A fit to the photon transverse energy spectrum yields limits at the 95% confidence level on the CP-conserving anomalous coupling parameters of -1.6<Δκ<1.8 (λ=0) and -0.6<λ<0.6 (Δκ=0). Similar limits are obtained for the CP-violating coupling parameters.

Item Type:Article
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Deposited On:02 May 2011 12:46
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