Top quark pair production via (un)polarized photon collisions in the littlest Higgs model with T-parity at the ILC

TL;DR

This paper investigates top-quark pair production in polarized and unpolarized photon collisions at the ILC within the littlest Higgs model with T-parity, highlighting polarization effects and potential corrections.

Contribution

It provides the first detailed calculation of top-quark pair production cross sections in this model at the ILC, emphasizing polarization dependence and correction magnitudes.

Findings

Polarized photon collisions, especially the - - mode, show more significant effects.

Relative corrections can reach about -1% in favorable parameters.

The study enhances understanding of new physics effects at future colliders.

Abstract

We study the top-quark pair production via polarized and unpolarized photon collisions at the International Linear Collider in the context of the littlest Higgs model with T-parity. We calculate the production cross section of the process $\gamma\gamma\rightarrow t\bar{t}$ and find the effects can be more significant in the $- -$ polarized photon collision mode than in other collision modes, and the relative correction can be expected to reach about -1% in the favorable parameter space.