Probing anomalous quartic couplings in light-by-light collisions at the CLIC

S. C. İnan; A. V. Kisselev

doi:10.1140/epjc/s10052-021-09466-1

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2023 Impact factor 4.2

Particles and Fields

Open Access

Eur. Phys. J. C (2021) 81: 664
https://doi.org/10.1140/epjc/s10052-021-09466-1

Regular Article - Theoretical Physics

Probing anomalous quartic $γ γ γ γ$ $\gamma \gamma \gamma \gamma$ couplings in light-by-light collisions at the CLIC

S. C. İnan¹ and A. V. Kisselev²^b

¹ Department of Physics, Sivas Cumhuriyet University, 58140, Sivas, Turkey
² Division of Theoretical Physics, A.A. Logunov Institute for High Energy Physics, NRC “Kurchatov Institute”, 142281, Protvino, Russia

^b alexandre.kisselev@ihep.ru

Received: 12 January 2021
Accepted: 21 July 2021
Published online: 29 July 2021

Abstract

The anomalous quartic neutral couplings of the $γ γ γ γ$ $\gamma \gamma \gamma \gamma$ vertex in a polarized light-by-light scattering of the Compton backscattered photons at the CLIC are examined. Both differential and total cross sections are calculated for $e^{+} e^{-}$ $$e^+e^-$$ collision energies 1500 GeV and 3000 GeV. The helicity of the initial electron beams is taken to be $\pm 0.8$ $\pm \,0.8$ . The unpolarized and SM cross sections for the same values of helicities are also estimated. The 95% C.L. exclusion limits on two anomalous photon couplings $ζ_{1}$ $\zeta _1$ and $ζ_{2}$ $\zeta _2$ are calculated. The best bounds on these couplings are found to be $6.85 \times 10^{- 16} {GeV}^{- 4}$ $6.85 \times 10^{-16} \text { GeV}^{-4}$ and $1.43 \times 10^{- 15} {GeV}^{- 4}$ $1.43 \times 10^{-15} \text { GeV}^{-4}$ , respectively. The results are compared with the exclusion bounds obtained previously for the LHC and HL-LHC. It is shown that the light-by-light scattering at the CLIC, especially the polarized, has a greater potential to search for the anomalous quartic neutral couplings of the $γ γ γ γ$ $\gamma \gamma \gamma \gamma$ vertex.

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Funded by SCOAP³

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Probing anomalous quartic γγγγ couplings in light-by-light collisions at the CLIC

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Probing anomalous quartic $γ γ γ γ$ $\gamma \gamma \gamma \gamma$ couplings in light-by-light collisions at the CLIC