Limits On Anomalous Ww Gamma Couplings From P(P)Over-Bar->W Gamma+X Events At Root S=1.8 Tev
PHYSICAL REVIEW LETTERS(1997)
摘要
We have measured the WW gamma gauge boson coupling parameters using
-->l nu gamma+X (l=e,mu) events at root s=1.8 TeV. The data, corresponding to an integrated luminosity of 92.8 pb(-1), were collected using the D{empty set} detector at the Fermilab Tevatron Collider. The measured cross section times branching ratio for
-->W gamma+X with p(T)(gamma)>10 GeV/c and R-l gamma >0.7 is 11.3(-1.5)(+1.7)+/-1.5 pb, in agreement with the standard model prediction. The 1 degree of freedom 95% confidence level limits on individual CP-conserving parameters are -0.93
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