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Analysis of anomalous quartic WWZγ couplings in γp collision at the LHC

Senol, A.; Köksal, M.


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    <subfield code="a">&lt;p&gt;Gauge boson self-couplings are exactly determined by the non-Abelian gauge nature of the Standard Model (SM), thus precision measurements of these couplings at the LHC provide an important opportunity to test the gauge structure of the SM and the spontaneous symmetry breaking mechanism. It is a common way to examine the physics of anomalous quartic gauge boson couplings via effective Lagrangian method. In this work, we investigate the potential of the process pp→pγp→pWZqX to analyze anomalous quartic WWZγ couplings by two different, CP-violating and CP-conserving, effective Lagrangians at the LHC. We calculate 95% confidence level limits on the anomalous coupling parameters with various values of the integrated luminosity. Our numerical results show that the best limits obtained on the anomalous couplings k0WΛ2 , kcWΛ2 , k2mΛ2 and anΛ2 at s=14 TeV and an integrated luminosity of Lint=100 fb−1 are [−1.37;1.37]×10−6 GeV−2 , [−1.88;1.88]×10−6 GeV−2 , [−6.55;6.55]×10−7 GeV−2 and [−2.21;2.21]×10−6 GeV−2 , respectively. Thus, γp mode of photon-induced reactions at the LHC highly improves the sensitivity limits of the anomalous coupling parameters k0WΛ2 , kcWΛ2 , k2mΛ2 and anΛ2 .&lt;/p&gt;</subfield>
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    <subfield code="u">Department of Physics, Abant Izzet Baysal University, Bolu, 14280, Turkey</subfield>
    <subfield code="a">Senol, A.</subfield>
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    <subfield code="u">Department of Physics, Cumhuriyet University, Sivas, 58140, Turkey</subfield>
    <subfield code="a">Köksal, M.</subfield>
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