Heavy-flavour production and correlations in pp collisions: precision tests of pQCD and hadronisation with ALICE
Abstract
Heavy quarks (charm and beauty) are predominantly produced in hard partonic scatterings, making their cross sections in proton--proton (pp) collisions calculable in perturbative quantum chromodynamics (pQCD) and thus providing stringent tests of pQCD. Furthermore, the associated production of two charm hadrons in a single collision offers a sensitive probe of multiparton interaction dynamics, distinguishing between single parton scattering (SPS) and double parton scattering (DPS) processes. In this contribution, preliminary measurements of prompt D-meson production are reported, together with the final results of the B0-meson production cross section down to pT = 1 GeV/c at midrapidity. The rapidity dependence of B-meson production is investigated by computing the ratio with respect to LHCb measurements at forward rapidity. The associated production of D0--J/ψ pairs in pp collisions at √s = 13.6 TeV is presented as well, where D0 mesons are reconstructed at midrapidity, while J/ψ candidates are measured at forward rapidity. These measurements are compared with pQCD calculations and phenomenological models, providing crucial constraints on heavy-quark production, hadronisation, and multiparton interaction dynamics.
Versions
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BibTeX
@misc{sharma2026heavyflavour,
title = {{Heavy-flavour production and correlations in pp collisions: precision tests of pQCD and hadronisation with ALICE}},
author = {Deependra Sharma and for the ALICE Collaboration},
howpublished = {arXiv},
year = {2026},
month = aug,
doi = {10.48550/arxiv.2608.19714},
eprint = {2608.19714},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2608.19714},
}
RIS
TY - UNPB
TI - Heavy-flavour production and correlations in pp collisions: precision tests of pQCD and hadronisation with ALICE
AU - Deependra Sharma
AU - for the ALICE Collaboration
PY - 2026
DA - 2026/08/20
PB - arXiv
DO - 10.48550/arxiv.2608.19714
UR - https://arxiv.org/abs/2608.19714
AB - Heavy quarks (charm and beauty) are predominantly produced in hard partonic scatterings, making their cross sections in proton--proton (pp) collisions calculable in perturbative quantum chromodynamics (pQCD) and thus providing stringent tests of pQCD. Furthermore, the associated production of two charm hadrons in a single collision offers a sensitive probe of multiparton interaction dynamics, distinguishing between single parton scattering (SPS) and double parton scattering (DPS) processes. In this contribution, preliminary measurements of prompt D-meson production are reported, together with the final results of the B^0-meson production cross section down to p_T = 1 GeV/c at midrapidity. The rapidity dependence of B-meson production is investigated by computing the ratio with respect to LHCb measurements at forward rapidity. The associated production of D^0--J/ψ pairs in pp collisions at √s = 13.6 TeV is presented as well, where D^0 mesons are reconstructed at midrapidity, while J/ψ candidates are measured at forward rapidity. These measurements are compared with pQCD calculations and phenomenological models, providing crucial constraints on heavy-quark production, hadronisation, and multiparton interaction dynamics.
ER -