New physics effect on the top-Yukawa coupling at ILC
High Energy Physics - Phenomenology
2009-02-16 v2
Abstract
Measurement of the top-Yukawa coupling is important to understand the fermion mass generation mechanism and dynamics of electroweak symmetry breaking. We discuss the top quark anomalous couplings which can be described by higher dimensional operators. We investigate the process to study the contribution of the anomalous top-Higgs coupling to the cross section. The effect of the dimension-six top-Higgs interaction on the cross section can be a few hundred percent greater than the SM prediction. Such a large effect can be measured at the International Linear Collider.
Cite
@article{arxiv.0710.2644,
title = {New physics effect on the top-Yukawa coupling at ILC},
author = {Shinya Kanemura and Koichi Matsuda and Daisuke Nomura and Koji Tsumura},
journal= {arXiv preprint arXiv:0710.2644},
year = {2009}
}
Comments
Submitted for the LCWS07 proceedings, 5 pages, 4 eps figures, ilcws07.cls, references added