A1 Journal article (refereed)
B-meson hadroproduction in the SACOT-mT scheme (2023)

Helenius, I., & Paukkunen, H. (2023). B-meson hadroproduction in the SACOT-mT scheme. Journal of High Energy Physics, 2023(7), Article 54. https://doi.org/10.1007/jhep07(2023)054

JYU authors or editors

Publication details

All authors or editors: Helenius, Ilkka; Paukkunen, Hannu

Journal or series: Journal of High Energy Physics

ISSN: 1126-6708

eISSN: 1029-8479

Publication year: 2023

Publication date: 06/07/2023

Volume: 2023

Issue number: 7

Article number: 54

Publisher: Springer

Publication country: Germany

Publication language: English

DOI: https://doi.org/10.1007/jhep07(2023)054

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/88413

Web address of parallel published publication (pre-print): https://arxiv.org/abs/2303.17864

Abstract

We apply the SACOT-mT general-mass variable flavour number scheme (GM-VFNS) to the inclusive B-meson production in hadronic collisions at next-to-leading order in perturbative Quantum Chromodynamics. In the GM-VFNS approach one matches the fixed-order heavy-quark production cross sections, accurate at low transverse momentum (pT), with the zero-mass cross sections, accurate at high pT. The physics idea of the SACOT-mT scheme is to do this by accounting for the finite momentum transfer required to create a heavy quark-antiquark pair throughout the calculation. We compare our results with the latest LHC data from proton-proton and proton-lead collisions finding a very good agreement within the estimated theoretical uncertainties. We discuss also scheme-related differences and their impact on the scale uncertainties.

Keywords: particle physics; quantum chromodynamics

Free keywords: bottom quarks; Parton distributions; specific QCD phenomenology

Contributing organizations

Related projects

Ministry reporting: Yes

VIRTA submission year: 2023

JUFO rating: 3