Search for the anomalous $WW\gamma$ couplings through the process $e^-e^+\,\rightarrow\,\nu_e\bar{\nu}_e\gamma$ at ILC with unpolarized and polarize beams

TL;DR

This paper explores the potential to detect anomalous $WW\gamma$ couplings at the ILC via the process $e^-e^+ o u_e ar{ u}_e \gamma$, providing improved limits over current experimental bounds.

Contribution

It presents new sensitivity limits on anomalous $WW\gamma$ couplings at the ILC, considering both unpolarized and polarized beams, with systematic uncertainties included.

Findings

Limits on anomalous couplings are significantly improved.

Polarized beams enhance the sensitivity.

Systematic uncertainties affect the confidence level limits.

Abstract

We investigate the anomalous $W^+W^-\gamma$ couplings through the process $e^-e^+\,\rightarrow\,\nu_e\bar{\nu}_e\gamma$ for unpolarized and polarized electron (positron) beams at the International Linear Collider. We give the 95$\%$ Confidence Level limits on the anomalous couplings with and without the systematic uncertainties for various values of center-of-mass energies and the integrated luminosities. We show that the obtained limits on the anomalous couplings through the process $e^-e^+\,\rightarrow\,\nu_e\bar{\nu}_e\gamma$ can highly improve the current experimental limits.