Measurement of the $WWγ$ gauge boson couplings in $p\bar{p}$ Collisions at $\sqrt{s}=1.8$ TeV

Details Measurement of the $WWγ$ gauge boson couplings in $p\bar{p}$ Collisions at $\sqrt{s}=1.8$ TeV Measurement of the $WWγ$ gauge boson couplings in $p\bar{p}$ Collisions at $\sqrt{s}=1.8$ TeV

1995-05-12

arxiv.org/abs/hep-ex/9505007v1

Phys.Rev.Lett.75:1034-1039,1995

Physics

High Energy Physics

High Energy Physics - Experiment

16pages (14pages + 2figure pages) Uses ReVTEX Two postscript files for figures will follow immediately

Scientific paper

10.1103/PhysRevLett.75.1034

The $WW\gamma$ gauge boson couplings were measured using $p\bar{p}\to \ell\nu\gamma+X$ ($\ell=e,\mu$) events at $\sqrt{s}=1.8$ TeV observed with the {D\O} detector at the Fermilab Tevatron Collider. The signal, obtained from the data corresponding to an integrated luminosity of $13.8 {\rm pb}^{-1}$, 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 $-1.6<\Delta\kappa<1.8$ ($\lambda$ = 0) and $-0.6<\lambda<0.6$ ($\Delta\kappa$ = 0).

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