Associated production of a Higgs boson at NNLO

A bstract In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully flexible parton-level Monte Carlo implementation. W...

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Bibliographic Details
Published in:The journal of high energy physics 2016-06, Vol.2016 (6), p.1-32, Article 179
Main Authors: Campbell, John M., Ellis, R. Keith, Williams, Ciaran
Format: Article
Language:English
Subjects:
Bosons
Classical and Quantum Gravitation
Coupling
Decay
Elementary Particles
Fermions
Higgs bosons
higgs physics
High energy physics
Mathematical analysis
perturbative QCD
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
Texts
Vectors (mathematics)
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Summary:A bstract In this paper we present a Next-to-Next-to Leading Order (NNLO) calculation of the production of a Higgs boson in association with a massive vector boson. We include the decays of the unstable Higgs and vector bosons, resulting in a fully flexible parton-level Monte Carlo implementation. We also include all O α s 2 contributions that occur in production for these processes: those mediated by the exchange of a single off-shell vector boson in the s -channel, and those which arise from the coupling of the Higgs boson to a closed loop of fermions. We study final states of interest for Run II phenomenology, namely H → b b ¯ , γγ and WW ∗ . The treatment of the H → b b ¯ decay includes QCD corrections at NLO. We use the recently developed N -jettiness regularization procedure, and study its viability in the presence of a large final-state phase space by studying pp → V ( H → WW ∗ ) → leptons.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP06(2016)179