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Related papers: Probing heavy-flavor parton distribution functions…

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The extraction of the strange quark parton distribution function (PDF) poses a long-standing puzzle. Measurements from neutrino-nucleus deep inelastic scattering (DIS) experiments suggest the strange quark is suppressed compared to the…

High Energy Physics - Phenomenology · Physics 2020-12-02 A. Kusina , T. Ježo , D. B. Clark , P. Duwentäster , E. Godat , T. J. Hobbs , J. Kent , M. Klasen , K. Kovařík , F. Lyonnet , K. F. Muzakka , F. I. Olness , I. Schienbein , J. Y. Yu

The potential of the LHeC, a future electron-proton collider, for precision Deep Inelastic Scattering measurements is reviewed with particular emphasis on the reduction of uncertainties on the parton distribution functions (PDFs) of the…

High Energy Physics - Phenomenology · Physics 2019-08-14 A. M. Cooper-Sarkar

In this contribution, the production of heavy-flavor hadrons as a function of multiplicity, via the study of the D-meson and heavy-flavor hadron decay leptons self-normalized yields in pp collisions at the center of mass energy $\sqrt{s} =…

High Energy Physics - Experiment · Physics 2022-02-11 Yoshini Bailung

Thanks to the excellent tracking and muon identification performance, combined with a flexible trigger system, the CMS experiment at the Large Hadron Collider is conducting a rich and competitive program of measurements in the field of…

High Energy Physics - Experiment · Physics 2019-08-13 Vincenzo Chiochia

We present predictions for heavy-quark production at the Large Hadron Collider making use of the ${\overline{\rm MS}}$ and MSR renormalization schemes for the heavy-quark mass as alternatives to the widely used on-shell renormalization…

High Energy Physics - Phenomenology · Physics 2021-04-14 M. V. Garzelli , L. Kemmler , S. Moch , O. Zenaiev

We propose an efficacious approach to derive the generalized parton distributions for the pion and proton, based upon prior knowledge of their respective parton distribution functions (PDFs). Our method leverages on integral representations…

High Energy Physics - Phenomenology · Physics 2024-06-17 Xiaobin Wang , Zanbin Xing , Minghui Ding , Khépani Raya , Lei Chang

Measurements of quarkonia (heavy quark and antiquark bound states) and open-heavy flavour hadrons in hadronic collisions provide a unique testing ground for understanding quantum chromodynamics (QCD). Although recently there was significant…

Nuclear Experiment · Physics 2022-08-23 Sebastien Perrin

This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using diverse measurements in $pp$ collisions at $\sqrt{s} =…

High Energy Physics - Experiment · Physics 2022-05-27 ATLAS Collaboration

We consider the simultaneous production of two heavy-flavoured hadrons - particularly D mesons - at the LHC. We base our calculations on collinearly factorized QCD at next-to-leading order, using the contemporary parton distribution…

High Energy Physics - Phenomenology · Physics 2020-01-08 Ilkka Helenius , Hannu Paukkunen

Measurements of the production of muons from heavy-flavour hadron decays in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = $5.02$ and $2.76$ TeV using the ALICE detector at the LHC are reported. The nuclear modification factor $R_{\rm AA}$ at…

Nuclear Experiment · Physics 2021-12-10 ALICE Collaboration

In collider physics, parton distribution functions (PDFs) play a crucial role in computing theoretical cross sections for scattering reactions. This study explores how different experimental data sets influence extracted PDFs in CTEQ-TEA…

High Energy Physics - Phenomenology · Physics 2024-06-07 Lucas Kotz

Production cross sections of muons from semi-leptonic decays of charm and beauty hadrons were measured at forward rapidity ($2.5<y<4$) in proton--proton (pp) collisions at a centre-of-mass energy $\sqrt{s}=5.02$ TeV with the ALICE detector…

Nuclear Experiment · Physics 2019-11-11 ALICE Collaboration

We present a detailed comparison of the most recent sets of NNLO PDFs from the ABM, CT, HERAPDF, MSTW and NNPDF collaborations. We compare parton distributions at low and high scales and parton luminosities relevant for LHC phenomenology.…

We propose a method which allows the inclusion of exclusive heavy vector-meson production data at low $x$ in future global parton analyses. As an example we perform a study within xFitter to determine the gluon parton distribution function…

High Energy Physics - Phenomenology · Physics 2025-01-29 C. A. Flett , A. D. Martin , M. G. Ryskin , T. Teubner

I report on our investigations into the impact of (un)polarized transverse momentum dependent parton distribution functions (TMD PDFs or TMDs) for gluons at hadron colliders, especially at A Fixed Target Experiment at the LHC (AFTER@LHC).…

High Energy Physics - Phenomenology · Physics 2016-05-25 Andrea Signori

In this paper I will review a few of the latest experimental measurements of heavy-flavour hadrons presented at the Hard Probes 2018 conference. Results from experiments both at RHIC and at the LHC will be discussed. I will present some of…

Nuclear Experiment · Physics 2019-01-09 Deepa Thomas

We review basic ideas and recent developments on the determination of the parton substructure of the nucleon, in view of applications to precision hadron collider physics. We review the way information on parton distributions (PDFs) is…

High Energy Physics - Phenomenology · Physics 2015-03-17 Stefano Forte

Heavy-flavour production measurements in pp collisions are important tools to test theoretical models based on perturbative quantum chromodymanics (pQCD) and to investigate the heavy-quark hadronization mechanisms. In ALICE, heavy quarks…

High Energy Physics - Experiment · Physics 2023-01-27 Tebogo Joyce Shaba

High-energy proton-proton collisions at the LHC offer a stringent test of Quantum Chromodynamics (QCD) in the small-$x$, gluon-dominated regime. This study focus on a minimal, gluon-driven framework to describe the charged-particle…

High Energy Physics - Phenomenology · Physics 2026-01-26 Zhixiang Yang , Jianhong Ruan

The measurement of heavy-flavour production in pp collisions at the LHC allows to study the production mechanisms and to test perturbative Quantum Chromodynamics (pQCD) in a new energy domain. Further it provides important reference data…

High Energy Physics - Experiment · Physics 2019-08-14 Yvonne Pachmayer