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Interference between [formula omitted]andWin single-top quark production processes

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
655
Identifiers
DOI: 10.1016/j.physletb.2007.03.064
Keywords
  • Phenomenology
Disciplines
  • Physics

Abstract

Abstract The Letter is devoted to studies of prospects to search for hypothetical W ′ gauge bosons at hadron colliders via single-top quark production process. A special attention is paid to the interference between the Standard Model (SM) W and W ′ boson contributions. A model independent analysis is performed for a wide interval of W ′ masses potentially acceptable for a detection at the Tevatron and LHC. It is shown that the interference contribution to the cross section of the most promising s-channel single-top production mode could be as large as 30% for certain parameter points which is comparable to NLO effects computed in previous studies separately for the W ′ signal and the SM single-top background. The interference contribution affects particle distributions and has to be taken into account for more accurate W ′ signal and background simulation.

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