EPJ Web Conf.
Volume 158, 2017The XXIII International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2017)
|Number of page(s)||8|
|Published online||24 October 2017|
The effect of the anomalous Wtb interactions on spin correlations in t-channel single top quark production with subsequent decay
1 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University Leninskie Gory, 119991, Moscow, Russia
2 Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory, 119991, Moscow, Russia
Published online: 24 October 2017
Spin correlations in the t-channel single top quark production and its subsequent decay are investigated for the case of contributions involving anomalous Wtb couplings. It is shown that shapes of certain multidimensional kinematic distributions of final state particles are significantly different for the contributions proportional to different combinations of the anomalous couplings. Observed properties are confirmed by two methods of computations either from the obtained symbolic expression for the differential width of polarized three-particle top quark decay or by means of the CompHEP program for the complete process involving the t-channel single top.
© The authors, published by EDP Sciences, 2017
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