B-meson hadroproduction in the SACOT-$m_{\mathrm{T}}$ scheme

Abstract

We apply the SACOT-$m_{\mathrm{T}}$ 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 ($p_{\mathrm{T}}$), with the zero-mass cross sections, accurate at high $p_{\mathrm{T}}$. The physics idea of the SACOT-$m_{\mathrm{T}}$ 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.

arXiv commentVersion that matches with the one accepted for publication

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