Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2006-10-25
Physics
High Energy Physics
High Energy Physics - Experiment
Proceedings of my talk at ICHEP 2006, Moscow. 4 pages, 5 figures
Scientific paper
This article reports on recent searches for single-top-quark production by the CDF and DO collaborations at the Tevatron. Neither two CDF analyses, using data corresponding to 695 pb^-1 of integrated luminosity, nor a DO search based on 370 pb^-1 of data can establish a signal for this standard model process. These null results translate in upper limits on the cross section of 2.9 pb for the t-channel production mode and 3.2 pb for the s-channel mode at the 95% C.L. In addition, the DO collaboration has searched for non-standard model production of single-top-quarks via a heavy W^prime boson. No signal of this process is found resulting in lower mass limits of 610 GeV/c^2 for a left-handed W^prime and 630 GeV/c^2 for a right-handed W^\prime boson.
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