https://doi.org/10.1051/epjconf/201922204010
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,
Moscow
119991,
Russian Federation
* e-mail: a.baskakov@cern.ch
** e-mail: Eduard.Boos@cern.ch
*** e-mail: bunichev@theory.sinp.msu.ru
**** e-mail: lev.dudko@cern.ch
† e-mail: maksim.perfilov@cern.ch
‡ e-mail: petr.volkov@cern.ch
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
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
