Quartic Gauge Boson Couplings

Abstract

Quartic vertices provide a window into one of the most important problems in particle physics; the understanding of electroweak symmetry breaking. I survey the various processes that have been proposed to study quartic gauge boson couplings at future $e^{+}{e}^{-}$, $e\gamma$, $\gamma \gamma$, $e^{-}{e}^{-}$, and $pp$ colliders. For the lowest dimension operators that do not include photons, it appears that the LHC will provide the most constraining measurements. However, precision measurements at high energy $e^{+}{e}^{-}$ colliders involving $W^{+}{W}^{-}$ rescattering are also quite sensitive to the effects of a strongly interacting weak interaction. For quartic couplings involving photons, $\gamma \gamma$ collisions appear to be the best place to measure these couplings. Measurements using gauge boson production in $e\gamma$ collisions are almost as precise as the $\gamma \gamma$ processes with $e^{+}{e}^{-}\to VVV$ about an order or magnitude less sensitive.

arXiv commentLatex file uses aipbook.sty with revtex and psfig.sty. 4 figures (uuencoded) will be added with figures command. Full postcript version with embedded figures is available at ftp://ftp.physics.carleton.ca/pub/theory/godfrey/ocipc9505.ps To appear in the Proceedings of the International Symposium on Vector Boson Self-Interactions, UCLA, Feb. 1-3, 1995

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• Anomalous Quartic Couplings in $\nu \bar{\nu }\gamma \gamma$ Production via WW-Fusion at LEP2
• Limits on the quartic couplings $Z\gamma \gamma \gamma$ and $ZZ\gamma \gamma$ from $e^{+}{e}^{-}$ colliders
• Vector boson scattering at the LHC. A study of the WW -> WW channels with the Warsaw cut
• NLO QCD + EW corrections to $ZZZ$ production with subsequent leptonic decays at LHC
• Probing anomalous quartic $\gamma \gamma \gamma \gamma$ couplings in light-by-light collisions at the CLIC
• Probing W+W-gamma Production and Anomalous Quartic Gauge Boson Couplings at the CERN LHC
• $WW\gamma$ production at hadron colliders with NLO QCD+EW corrections and parton shower effects
• $WWZ/\gamma$ production in large extra dimensions model at LHC and ILC
• Observation of $W^{+}{W}^{-}\gamma$ production in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector and constraints on anomalous quartic gauge-boson couplings