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High Energy Physics - Phenomenology

arXiv:1511.03437 (hep-ph)
[Submitted on 11 Nov 2015 (v1), last revised 17 Nov 2015 (this version, v2)]

Title:Full analysis of general non-standard tbW couplings

Authors:Zenro Hioki (U. Tokushima), Kazumasa Ohkuma (Okayama U. Science)
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Abstract:Possible non-standard couplings which could contribute to the t -> b W process are studied based on the effective-Lagrangian approach. The corresponding effective Lagrangian consists of four kinds of dimension-6 effective operators, each of which has an independent coupling constant. In this analysis, all those couplings are treated as complex numbers and constraints on them are estimated by using recent experimental data from the LHC. We point out that the resultant constraints on those couplings are still not that strong because contributions from some couplings can work oppositely with each other.
Comments: One comment and two related references added. Final version to appear in Phys.Lett.B
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex)
Cite as: arXiv:1511.03437 [hep-ph]
  (or arXiv:1511.03437v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1511.03437
Journal reference: Physics Letters B752 (2016) 128
Related DOI: https://doi.org/10.1016/j.physletb.2015.11.029

Submission history

From: Zenro Hioki [view email]
[v1] Wed, 11 Nov 2015 10:08:34 UTC (10 KB)
[v2] Tue, 17 Nov 2015 03:09:02 UTC (11 KB)
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