期刊
EUROPEAN PHYSICAL JOURNAL C
卷 75, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-015-3776-z
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- SCOAP3
We study the accuracy with which the lowest order CP conserving anomalous Wtb couplings in the single top-quark production at the proposed large hadron electron collider can be probed. The one-dimensional distribution of various kinematic observables at the parton level MC and their asymmetries arising due to the presence of anomalous couplings both in the hadronic and leptonic W decay is examined. We find that at 95% CL the anomalous coupling associated with the left-handed vector current can be measured at an accuracy of the order of similar to 10(-2)-10(-3), while those associated with the right-handed vector and left- as well as right-handed tensor currents have a sensitivity at the order of similar to 10(-1)-10(-2) for the systematic uncertainty varying between 10-1% at an integrated luminosity of 100fb(-1). A comprehensive analysis of the combined covariance matrix derived from all one-dimensional distributions of kinematical observables is used to compute the errors in the anomalous couplings.
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