Probing Anomalous Top Quark Couplings at the Future Linear Colliders

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dc.creatorHuang, T.
dc.date2000-09-05
dc.date2000-09-20
dc.date.accessioned2026-07-07T03:42:29Z
dc.date.available2026-07-07T03:42:29Z
dc.descriptionIn terms of an effective Lagrangian we investigate the possibilities of probing anomalous top quark couplings, $t \bar{t} H$, $γt \bar{t}$, $Z t \bar{t}$ and $tWb$ at the future linear colliders. It is found that probing anomalous top quark couplings, $t \bar{t} H$, $γt \bar{t}$, $Z t \bar{t}$ and $tWb$ at the future linear colliders. It is found that at a linear collider with a c.m.energy $\sqrt s \sim 0.5-1.5$ TeV and a high luminosity of 10-1000 fb$^{-1}$, $e^+e^- \to t \bar{t} H$ is an ideal process in probing anomalous $t \bar t H$ couplings. We also study in detail the effects of anomalous couplings on $t \bar{t}$ spin correlations in the top pair production as well as the top quark decay processes with three bases (helicity, beam line and off-diagonal bases). Our results show that with a c. m. energy $\sqrt s \sim 0.5-1$ TeV and a high luminosity of 1-100 fb$^{-1}$, the anomalous couplings $γt \bar{t}$, $Z t\bar{t}$ and $tWb$ may be sensitively probed.
dc.description3 pages, 3 figures, talk at the XXX International Conference on High Energy Physics, Osaka, July 26-August 2, one reference added
dc.identifierhttps://arxiv.org/abs/hep-ph/0009047
dc.identifierhttp://arxiv.org/abs/hep-ph/0009047
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/39918
dc.subjectHigh Energy Physics - Phenomenology
dc.titleProbing Anomalous Top Quark Couplings at the Future Linear Colliders
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