| Issue |
EPJ Web Conf.
Volume 222, 2019
The XXIV International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2019)
|
|
|---|---|---|
| Article Number | 04010 | |
| Number of page(s) | 6 | |
| Section | Physics Beyond the SM | |
| DOI | https://doi.org/10.1051/epjconf/201922204010 | |
| Published online | 19 November 2019 | |
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
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