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A review is given of the QCD corrections to charm quark production in deep inelastic electron-proton scattering. An outline of the computation of the virtual photon-parton subprocesses, from which one obtains the heavy quark coefficient…

High Energy Physics - Phenomenology · Physics 2011-04-15 W. L. van Neerven

We present results on rapidity and transverse momentum distributions of inclusive charm quark production in hadronic and heavy-ion collisions at RHIC and LHC energies, including the next-to-leading order, $O(\alpha_s^3)$, radiative…

High Energy Physics - Phenomenology · Physics 2009-09-25 Ina Sarcevic

In a consistently formulated pQCD framework incorporating non-zero mass heavy quark partons, there is still the freedom to define parton distributions obeying either mass-independent or mass-dependent evolution equations, contrary to…

High Energy Physics - Phenomenology · Physics 2009-10-30 Fredrick I. Olness , Randall J. Scalise

We compare the numerical predictions for heavy quark production in high energy hadron collisions in the conventional QCD parton model and the k_T-factorization approach (semihard theory). The total production cross sections, one-particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

We advocate charmed-hadron inclusive hadroproduction as a laboratory to probe intrinsic charm (IC) inside the colliding hadrons. Working at next-to-leading order in the general-mass variable-flavor-number scheme endowed with…

High Energy Physics - Phenomenology · Physics 2009-07-02 B. A. Kniehl

The spin-dependent cross sections for semi-inclusive lepton-nucleon scattering are derived in the framework of collinear factorization, including the effects of masses of the target and produced hadron at finite momentum transfer squared…

High Energy Physics - Phenomenology · Physics 2015-10-28 J. V. Guerrero , J. J. Ethier , A. Accardi , S. W. Casper , W. Melnitchouk

In this paper we estimate the double parton scattering (DPS) contribution for the heavy quark production in $pA$ collisions at the LHC. The cross sections for the charm and bottom production are estimated using the dipole approach and…

High Energy Physics - Phenomenology · Physics 2018-06-29 E. R. Cazaroto , V. P. Goncalves , F. S. Navarra

Heavy quarks, such as charm and beauty, possess masses significantly larger than the characteristic energy scale of Quantum Chromodynamics (QCD), and are thus predominantly produced in hard-scattering processes with large momentum transfer…

High Energy Physics - Experiment · Physics 2025-06-30 Renu Bala

We present the two-loop virtual QCD corrections to the production of heavy quarks in the quark--anti-quark--annihilation channel in the limit when all kinematical invariants are large compared to the mass of the heavy quark. Our result is…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Czakon , A. Mitov , S. Moch

We present the general expression, in terms of structure functions, of the cross section for the production of two hadrons in semi-inclusive deep-inelastic scattering. We analyze this process including full transverse-momentum dependence up…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stephen Gliske , Alessandro Bacchetta , Marco Radici

The next-to-leading order analysis for the cross section for hadroproduction of top quark pairs close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancement compared to fixed order perturbation…

High Energy Physics - Phenomenology · Physics 2009-03-30 Y. Kiyo , J. H. Kühn , S. Moch , M. Steinhauser , P. Uwer

A resently developed generalization of the Quark--Gluon String Model to the case of bosonic resonances production in hadron--hadron collisions is used for the calculation of inclusive production of charmed mesons $D$, $D^*(2010)$ and…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. H. Arakelyan , C. Pajares , Yu. M. Shabelski

A new next-to-leading order Monte Carlo program for the calculation of fully differential heavy quark cross sections in electroproduction is described. A comparison between the theoretical predictions and the latest charm production data…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. W. Harris

Qualitative model for hadroproduction in high energy collisions considering two components ("thermal" and "hard") to hadroproduction is proposed. Inclusive pseudorapidity distributions, $d\sigma/d\eta$, and transverse momentum spectra,…

High Energy Physics - Phenomenology · Physics 2015-06-19 A. A. Bylinkin , A. A. Rostovtsev

In the framework of the perturbative Quantum Chromodynamics factorization, the cross section of the heavy meson production via the combination of a heavy quark with a light one can be factorized to be the convolution of the combination…

High Energy Physics - Phenomenology · Physics 2021-08-23 Chuanhui Jiang , Honglei Li , Shi-Yuan Li , Shufen Liu , Xinyue Yin

We study the inclusive hadrodroduction of D^0, D^+, D^{*+}, and D_s^+ mesons at next-to-leading order in the parton model of quantum chromodynamics endowed with universal non-perturbative fragmentation functions (FFs) fitted to e^+e^-…

High Energy Physics - Phenomenology · Physics 2014-11-18 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

The transverse momentum-dependent fragmentation functions (TMD FFs) of heavy (bottom and charm) quarks, which we recently introduced, are universal building blocks that enter predictions for a large number of observables involving…

High Energy Physics - Phenomenology · Physics 2025-03-04 Rebecca von Kuk , Johannes K. L. Michel , Zhiquan Sun

Using heavy quark effective theory a factorized form for inclusive production rate of a heavy meson can be obtained, in which the nonperturbative effect related to the heavy meson can be characterized by matrix elements defined in the heavy…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. P. Ma

We have completed the next-to-leading order perturbative QCD corrections to the virtual-photon exclusive differential cross sections for heavy quark production in deep-inelastic electron-proton scattering, i.e. $e + P \rightarrow Q +…

High Energy Physics - Phenomenology · Physics 2010-11-01 B. W. Harris , J. Smith

First results on inclusive D0 and D* production in deep inelastic $ep$ scattering are reported using data collected by the H1 experiment at HERA in 1994. Differential cross sections are presented for both channels and are found to agree…

High Energy Physics - Experiment · Physics 2008-11-26 S. Aid