Abstract: We present a next-to-leading order plus parton-shower event generator for the production of a W boson plus two bottom quarks and a jet at hadron colliders, implemented in the POWHEG BOX framework. Bottom-mass effects and spin correlations of the decay products of the W boson are fully taken into account. The code has been automatically generated using the two available interfaces to MadGraph4 and GoSam, the last one updated to a new version. We have applied the MiNLO prescription to our Wbb¯j$$ W;boverline{b}j $$ calculation, obtaining a finite differential cross section also in the limit of vanishing jet transverse momentum. Furthermore, we have compared several key distributions for Wbb¯j$$ W;boverline{b}j $$ production with those generated with a next-to-leading order plus parton-shower event generator for Wbb¯$$ W;boverline{b} $$ production, and studied their factorization- and renormalization-scale dependence. Finally, we have compared our results with recent experimental data from the ATLAS and CMS Collaborations.

Luisoni, G., Oleari, C., Tramontano, F. (2015). Wbbj production at NLO with POWHEG+MiNLO. JOURNAL OF HIGH ENERGY PHYSICS, 2015(4), 1-25 [10.1007/JHEP04(2015)161].

Wbbj production at NLO with POWHEG+MiNLO

OLEARI, CARLO
;
2015

Abstract

Abstract: We present a next-to-leading order plus parton-shower event generator for the production of a W boson plus two bottom quarks and a jet at hadron colliders, implemented in the POWHEG BOX framework. Bottom-mass effects and spin correlations of the decay products of the W boson are fully taken into account. The code has been automatically generated using the two available interfaces to MadGraph4 and GoSam, the last one updated to a new version. We have applied the MiNLO prescription to our Wbb¯j$$ W;boverline{b}j $$ calculation, obtaining a finite differential cross section also in the limit of vanishing jet transverse momentum. Furthermore, we have compared several key distributions for Wbb¯j$$ W;boverline{b}j $$ production with those generated with a next-to-leading order plus parton-shower event generator for Wbb¯$$ W;boverline{b} $$ production, and studied their factorization- and renormalization-scale dependence. Finally, we have compared our results with recent experimental data from the ATLAS and CMS Collaborations.
Articolo in rivista - Articolo scientifico
Monte Carlo Simulations; NLO Computations; Nuclear and High Energy Physics
English
1
25
25
Luisoni, G., Oleari, C., Tramontano, F. (2015). Wbbj production at NLO with POWHEG+MiNLO. JOURNAL OF HIGH ENERGY PHYSICS, 2015(4), 1-25 [10.1007/JHEP04(2015)161].
Luisoni, G; Oleari, C; Tramontano, F
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/145829
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