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Single-top t-channel production with off-shell and non-resonant effects

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Papanastasiou, A.S. [--] Frederix, Rikkert [--] Frixione, S. [--] Hirschi, V. [--] Maltoni, Fabio [UCL]

This Letter details and discusses the next-to-leading order QCD corrections to t-channel electro-weak W+bj production, where finite top-width effects are consistently taken into account. The computation is done within the aMC@NLO framework and includes both resonant and non-resonant contributions as well as interferences between the two. Results are presented for the LHC and compared to those of the narrow-width approximation and effective theory approaches.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2013
Language Anglais
Journal information "Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics" - Vol. 726, no.1-3, p. 223-227 (2013)
Peer reviewed yes
Publisher Elsevier BV * North-Holland ((Netherlands) Amsterdam)
issn 0370-2693
e-issn 1873-2445
Publication status Publié
Affiliation UCL - SST/IRMP - Institut de recherche en mathématique et physique
Keywords Top quark ; Finite width effects ; LHC
Links
Bibliographic reference Papanastasiou, A.S. ; Frederix, Rikkert ; Frixione, S. ; Hirschi, V. ; Maltoni, Fabio. Single-top t-channel production with off-shell and non-resonant effects. In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 726, no.1-3, p. 223-227 (2013)
Permanent URL http://hdl.handle.net/2078.1/136952