Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-06-25
Phys.Rev. D58 (1998) 073008
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 6 figures, 3 tables
Scientific paper
10.1103/PhysRevD.58.073008
We calculate single top-quark production at hadron colliders via the chromo-magnetic flavor-changing neutral current couplings $\bar tcg$ and $\bar tug$. We find that the strength for the anomalous $\bar tcg$ ($\bar tug$) coupling may be probed to $\kappa_c / \Lambda = 0.092 {TeV}^{-1}$ ($\kappa_u / \Lambda = 0.026 {TeV}^{-1}$) at the Tevatron with $2 {fb}^{-1}$ of data and $\kappa_c / \Lambda = 0.013 {TeV}^{-1}$ ($\kappa_u / \Lambda = 0.0061 {TeV}^{-1}$) at the LHC with $10 {fb}^{-1}$ of data. The two couplings may be distinguished by a comparision of the single top signal with the direct top and top decay signals for these couplings.
Han Tao
Hosch M.
Whisnant Kerry
Young Bing--Lin
Zhang Xinyu
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