EPJ Web Conf.
Volume 222, 2019The XXIV International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2019)
|Number of page(s)||6|
|Section||Physics Beyond the SM|
|Published online||19 November 2019|
Recommendations for the search of the Anomalous Wtb interactions in the tW-associated Single Top Quark Production
Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics (SINP MSU),
1(2), Leninskie gory, GSP-1,
Published online: 19 November 2019
There are no experimental bounds for the anomalous Wtb couplings provided in the tW-associated single top quark production in the final signature with lepton plus jets so far. The main reason for the situation is the difficulties with the modeling of such a process. Different schemes of the tW-associated single top quark production modeling have different sensitivity to the anomalous Wtb couplings and prospective their constraints are strongly scheme-dependent. The most preferable is the usage of the full gauge-invariant set of the diagrams. However one needs to discriminate the different phase space regions in this case anyway. In the article the separation between top pair and tW-associated single top quark production processes with the help of Neural Network technique is presented. The full scheme with the complete gauge invariant set of Feynman diagrams is used.
© The Authors, published by EDP Sciences, 2019
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