Probing lepton flavor violation signal via e+ e- (gamma gamma) ---> l(i) anti-l(j) in the littlest Higgs model with T-parity at the ILC

TL;DR

This paper investigates the potential of the International Linear Collider (ILC) to detect lepton flavor violation processes predicted by the littlest Higgs model with T-parity, focusing on loop-induced signals involving mirror leptons.

Contribution

It provides the first detailed analysis of LFV signals via e+ e- and gamma gamma collisions in the littlest Higgs model with T-parity at the ILC, estimating observable cross sections.

Findings

LFV process rates can reach up to 1 fb at the ILC.

LFV signals are potentially observable with suitable kinematic cuts.

The study highlights the ILC's capability to probe new physics in the lepton sector.

Abstract

In the littlest Higgs model with T-parity, the new interactions between the mirror leptons and the Standard Model leptons can induce some lepton flavor violation (LFV) processes at loop level. We study the possibility of the ILC to probe the LFV production processes $e^+e^-(\gamma\gamma)\rightarrow l_{i}\bar{l}_{j}$. Our results show that the rates of $\gamma\gamma\rightarrow l_{i}\bar{l}_{j}$ can reach 1 fb in optimal cases after reasonable kinematical cuts, which implies that these processes may be observed at the ILC.