期刊
EUROPEAN PHYSICAL JOURNAL C
卷 76, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-016-4376-2
关键词
-
资金
- Iranian National Science Foundation (INSF)
We consider the electroweak production of a top quark in association with a photon at the LHC to probe the electroweak top quark couplings (t) as well as the triple gauge-boson couplings (WW). The study is based on the modifications of the t and WW interactions via heavy degrees of freedom in the form of dimension-six operators which we add to the standard model Lagrangian. A binned angular asymmetry in single top quark plus photon events and cross section ratio are proposed to probe the anomalous t and WW couplings. It is shown that the proposed angular asymmetry can distinguish anomalous t, WW couplings from the standard model prediction and yield a great sensitivity.
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