Lepton flavor violation via four-Fermi contact interactions at the International Linear Collider

2018/03/28 by Gi-Chol Cho, Cho, Gi-Chol, Yuka Fukuda +3 · 2 citations
Engineering · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle Accelerators and Free-Electron Lasers #Particle Detector Development and Performance #Particle physics theoretical and experimental studies

paper · pdf · doi:10.48550/arxiv.1803.10475

openalex publication_date 2018/03/28 · openalex created_date 2018/04/06 · openalex updated_date 2026/08/04

Abstract

Lepton flavor violating (LFV) process e⁺ e^- → e⁺ τ^- induced by the four-Fermi contact interactions at the International Linear Collider (ILC) is studied. Taking account of the event selection conditions, it is shown that the ILC is sensitive to smaller LFV couplings as compared to the measurement of τ→ 3e process at the B-factory experiment. The upper bounds on some of the LFV couplings are improved by several factors using polarized e^-/e⁺ beams at √(s)=250~GeV and by an order of magnitude at √(s)=1~TeV.

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