$Z \gamma$ production in $\bar{p} p$ collisions $S^{(1/2)}$ = 1.8-TeV and limits on anomalous $Z Z \gamma$ and $Z \gamma \gamma$ couplings - INSPIRE

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$Z \gamma$ production in $\bar{p} p$ collisions $S^{(1/2)}$ = 1.8-TeV and limits on anomalous $Z Z \gamma$ and $Z \gamma \gamma$ couplings

D0

Collaboration

Oct, 1998

17 pages

Published in:

Phys.Rev.D 57 (1998) R3817-R3821

e-Print:

hep-ex/9710031 [hep-ex]

DOI:

10.1103/PhysRevD.57.R3817

PDG:

\mathit h{}^{\mathit V}_{\mathit i}

Report number:

FERMILAB-PUB-97-363-E

Experiments:

FNAL-E-0740

View in:

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Abstract:

We present a study of Z +gamma + X production in p-bar p collisions at sqrt{S}=1.8 TeV from 97 (87) pb^{-1} of data collected in the eegamma (mumugamma) decay channel with the D0 detector at Fermilab. The event yield and kinematic characteristics are consistent with the Standard Model predictions. We obtain limits on anomalous ZZgamma and Zgammagamma couplings for form factor scales Lambda = 500 GeV and Lambda = 750 GeV. Combining this analysis with our previous results yields 95% CL limits |h{Z}_{30}| < 0.36, |h{Z}_{40}| < 0.05, |h{gamma}_{30}| < 0.37, and |h{gamma}_{40}| < 0.05 for a form factor scale Lambda=750 GeV.

Note:

17 Pages including 2 Figures. Submitted to PRL Report-no: Fermilab-Pub-97/363-E

D0
anti-p p: colliding beams
anti-p p: inclusive reaction
Z0: hadroproduction
Z0: leptonic decay
photon: associated production
coupling: (2Z0 photon)
coupling: (Z0 2photon)
DZERO
experimental results

References(11)

Figures(2)

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