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Anomalous trilinear and quartic WWγ, WWγγ, ZZγ and ZZγγ couplings in photon induced processes at the LHC

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arxiv 0909.5237 v1 pith:AKTGJ2UV submitted 2009-09-28 hep-ph

Anomalous trilinear and quartic WWγ, WWγγ, ZZγ and ZZγγ couplings in photon induced processes at the LHC

classification hep-ph
keywords gammaanomalouscouplingsquarticfirstluminositypossibletrilinear
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We first report on possible measurements at the LHC using the first data and a luminosity of 10 pb$^{-1}$ of $W$ and $Z$ pair production via two-photon exchange. This measurement allows in particular to increase the present sensitivity on $WW\gamma \gamma$ and $ZZ\gamma \gamma$ quartic anomalous couplings from the LEP experiments by almost three orders of magnitude. We also discuss the possible improvements on quartic and trilinear anomalous couplings at high luminosity at the LHC using new forward proton taggers to be installed at 220 and 420 m from the CMS or ATLAS detectors.

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