Optimal-Observable Analysis of Possible New Physics Using the b-quark in gamma gamma -> tt -> bX
High Energy Physics - Phenomenology
2009-11-10 v3
Abstract
We study possible anomalous top-quark couplings generated by SU(2) x U(1) gauge invariant dimension-6 effective operators, using the final b-quark momentum distribution in gamma gamma -> tt -> bX. Taking into account non-standard tt gamma, tbW and gamma gamma H couplings, we perform an optimal-observable analysis in order to estimate the precision for the determination of all relevant non-standard couplings.
Keywords
Cite
@article{arxiv.hep-ph/0403174,
title = {Optimal-Observable Analysis of Possible New Physics Using the b-quark in gamma gamma -> tt -> bX},
author = {Bohdan Grzadkowski and Zenro Hioki and Kazumasa Ohkuma and Jose Wudka},
journal= {arXiv preprint arXiv:hep-ph/0403174},
year = {2009}
}
Comments
13 pages, LaTeX2e. Final version (one paper added to the ref.list and one person added to the ACKNOWLEDGMENTS) which is to appear in Phys.Lett.B