We carried out a feasibility study on the measurement of the branching ratio of H -> cc_bar at a future e+e- linear collider. We used the topological vertex reconstructing algorithm for accumulating secondary vertex information and the neural network for optimizing c quark selection. With an assumption of a light Higgs mass of 120 GeV/c^2, we estimated the statistical error of Br(H -> cc_bar) to be 20.1% or 25.7% depending on the number of vertex detector layers at the center-of-mass energy of 250 GeV and the intergrated luminosity of 500 fb^-1.
@article{arxiv.hep-ex/0309041,
title = {A Study of the Branching Ratio of H ->cc_bar at a Future e+e- Linear Collider},
author = {G. B. Yu and J. S. Kang and A. Miyamoto and H. Park},
journal= {arXiv preprint arXiv:hep-ex/0309041},
year = {2009}
}
Comments
5 pages, 8 figures, 2 tables, published in J. Korean Phys. Soc. 50:10-15 (2007)