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- Title
Probing the Top Quark Flavour-Changing Neutral Current at a Future Electron-Positron Collider.
- Authors
Hesari, Hoda; Khanpour, Hamzeh; Yanehsari, Morteza Khatiri; Najafabadi, Mojtaba Mohammadi
- Abstract
We present a study to examine the sensitivity of a future e- e+ collider to the anomalous top flavour-changing neutral current (FCNC) to the gluon. To separate signal from background a multivariate analysis is performed on top quark pair and background events, where one top quark is considered to follow the dominant standard model (SM) decay, t → Wb, and the other top decays through FCNC, t → qg, where q is a u- or a c-quark.The analysis of fully hadronic FCNC decay of the tt pair is also presented. The 95% confidence level limits on the top quark anomalous couplings are obtained for different values of the center-of-mass energies and integrated luminosities.
- Subjects
QUARKS; COLLIDERS (Nuclear physics); ELECTRON-positron interactions; STANDARD model (Nuclear physics); PARTICLE decays
- Publication
Advances in High Energy Physics, 2014, p1
- ISSN
1687-7357
- Publication type
Article
- DOI
10.1155/2014/476490