Electroweak and QCD corrections to Z -boson production with one b jet in a massive five-flavor scheme
Abstract
We compute the O (αsα2) and O (αs2α ) contributions to the production cross section of a Z boson with one b jet at the Large Hadron Collider (LHC) and study their phenomenological relevance for LHC physics. The accurate prediction of hadronic Z +b -jet production is needed to control a background that greatly affects both the measurement of Higgs-boson properties and the searches of new physics at the LHC. At the same time it could enable the first precise measurement of the b -quark parton distribution function. In this context b -quark mass effects become relevant and need to be studied with care, both at the level of the hard process and at the level of the initial- and final-state parton evolution. It is the aim of this paper to explore some of these issues in the framework of a massive five-flavor scheme and to assess the need for the inclusion of both electroweak corrections, in addition to QCD corrections, and b -quark mass effects in the prediction of total and differential cross sections for hadronic Z +b -jet production.
- Publication:
-
Physical Review D
- Pub Date:
- November 2018
- DOI:
- 10.1103/PhysRevD.98.093002
- arXiv:
- arXiv:1805.01353
- Bibcode:
- 2018PhRvD..98i3002F
- Keywords:
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- High Energy Physics - Phenomenology
- E-Print:
- 32 pages, 7 figures, 2 tables. V3: Version to appear in PRD