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arxiv: hep-ph/0301176 · v1 · pith:LL2XUVQ4new · submitted 2003-01-21 · ✦ hep-ph

Effective theories and constraints on new phyhsics

classification ✦ hep-ph
keywords anomalouscouplingseffectivetheoriesarisesavailableboundsconstraints
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Anomalous moments of the top quark arises from one loop corrections to the vertices $\bar t t g$ and $\bar t t \gamma$. We study these anomalous couplings in different frameworks: effective theories, Standard Model and 2HDM. We use available experimental results in order to get bounds on these anomalous couplings.

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