We consider the production of a Standard Model Higgs boson decaying to bottom quarks in association with a vector boson W±/Z in hadron collisions. We present a fully exclusive calculation of QCD radiative corrections both for the production cross section and for the Higgs boson decay rate up to next-to-next-to-leading order (NNLO) accuracy. Our calculation also includes the leptonic decay of the vector boson with finite-width effects and spin correlations. We consider typical kinematical cuts applied in the experimental analyses at the Large Hadron Collider (LHC) and we find that the full NNLO QCD corrections significantly decrease the accepted cross section and have a substantial impact on the shape of distributions. We point out that these additional effects are essential to obtain precise theoretical predictions to be compared with the LHC data.

Associated production of a Higgs boson decaying into bottom quarks at the LHC in full NNLO QCD / G. Ferrera, G. Somogyi, F. Tramontano. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 780(2018 May 10), pp. 346-351. [10.1016/j.physletb.2018.03.021]

Associated production of a Higgs boson decaying into bottom quarks at the LHC in full NNLO QCD

G. Ferrera
Primo
;
2018

Abstract

We consider the production of a Standard Model Higgs boson decaying to bottom quarks in association with a vector boson W±/Z in hadron collisions. We present a fully exclusive calculation of QCD radiative corrections both for the production cross section and for the Higgs boson decay rate up to next-to-next-to-leading order (NNLO) accuracy. Our calculation also includes the leptonic decay of the vector boson with finite-width effects and spin correlations. We consider typical kinematical cuts applied in the experimental analyses at the Large Hadron Collider (LHC) and we find that the full NNLO QCD corrections significantly decrease the accepted cross section and have a substantial impact on the shape of distributions. We point out that these additional effects are essential to obtain precise theoretical predictions to be compared with the LHC data.
nuclear and high energy physics
Settore FIS/02 - Fisica Teorica, Modelli e Metodi Matematici
Towards a competitive ERC Project on High Energy Physics
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/565860
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